PIETRO FIORENTINI REVAL 182 Use And Maintenance Instructions Download Page 233

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233

REV

AL 182

Use, maintenance and warning instructions

MEDIUM PRESSURE REGULATOR

MAINTENANCE AND FUNCTIONAL CHECKS

REV. 00

Step Action

Unscrew and remove screws (30), locking ring (8), reinforced gasket (7) and O-ring (93).

NOTICE!

Take care that the upper seal does not fall off.

Remove the O-ring (39) from the reinforced gasket (7) and replace it, taking care to lubricate it with synthetic
grease.

NOTICE!

Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.

Position the reinforced gasket (7) and the locking ring (8).

Insert and fix the screws (30) according to the following tightening torque:
• DN 1”: tab. 9.107
• DN 2”: tab. 9.108

NOTICE!

Tighten the screws according to the cross diagram in paragraph 9.4.2.2.

Position the control head inside the regulator body (1) with the indicator slide (16) visible and on axis with the
gas flow direction.

NOTICE!

Take care not to damage the plug profile (5).

Insert and fix the screws (31) according to the following tightening torque:
• DN 1”: tab. 9.107
• DN 2”: tab. 9.108

NOTICE!

Tighten the screws according to the cross diagram in paragraph 9.4.2.2.

Connect the pneumatic connections between the regulator and the respective control unit, including down-
stream pressure ports.

Tab. 9.151.

WARNING!

Ensure that all parts have been fitted correctly.

Summary of Contents for REVAL 182

Page 1: ...Reval 182 EN Revision 00 Edition 01 2022 EN USE MAINTENANCE AND WARNING INSTRUCTIONS Medium low pressure gas regulator ...

Page 2: ...2 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 ...

Page 3: ...he Manufacturer The manufacturer is in no way responsible for the consequences of operations carried out in a manner not in accordance with the manual GENERAL REMARKS All operating maintenance instructions and recommendations described in this manual must be observed In order to obtain the best performance and to keep the equipment in efficient condition the manufacturer recommends that main tenan...

Page 4: ...4 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 ...

Page 5: ...5 REVAL 182 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 EN 1 1 REVISION HISTORY Revision index Date Revision contents 00 01 2022 Tab 1 1 ...

Page 6: ...14 2 6 ADDRESSEES SUPPLY AND STORAGE OF THE INSTRUCTION MANUAL 15 2 7 LANGUAGE 15 2 8 NAMEPLATES APPLIED 16 2 8 1 GLOSSARY FOR NAMEPLATES 18 2 9 GLOSSARY OF MEASUREMENT UNITS 20 2 10 QUALIFIED PROFESSIONAL FIGURES 21 3 SAFETY 23 3 1 GENERAL SAFETY WARNINGS 23 3 2 PERSONAL PROTECTIVE EQUIPMENT 24 3 3 RESIDUAL RISKS 25 3 3 1 TABLE SHOWING RESIDUAL RISKS DUE TO PRESSURE 26 3 3 2 TABLE OF RESIDUAL RIS...

Page 7: ...ABLE MISUSE 36 4 3 3 TYPES OF FLUIDS 36 4 4 TECHNICAL FEATURES PERFORMANCE 37 4 5 POSSIBLE CONFIGURATIONS 38 4 5 1 BUILT IN SILENCER 39 4 5 1 1 BUILT IN SILENCER DB 182 39 4 5 1 2 SILENCER LDB 171 40 4 5 2 MONITOR 41 4 5 2 1 BUILT IN MONITOR 42 4 5 2 2 V 25 AND M A ACCELERATING VALVES 45 4 5 3 SLAM SHUT VALVE 47 4 5 3 1 BUILT IN SLAM SHUT VALVE SA 48 4 5 3 2 SB 82 BUILT IN SLAM SHUT VALVE 50 4 5 3...

Page 8: ... 182 HB 97 72 5 3 EQUIPMENT ANCHORING AND LIFTING METHOD 74 5 3 1 FORKLIFT HANDLING METHOD 75 5 3 2 CRANE HANDLING METHOD 77 5 4 PACKAGING REMOVAL 78 5 4 1 PACKAGING DISPOSAL 78 5 5 STORAGE AND ENVIRONMENTAL CONDITIONS 79 5 5 1 PRE INSTALLATION WARNINGS AFTER PROLONGED STORAGE 79 6 INSTALLATION 81 6 1 INSTALLATION PRE REQUISITES 81 6 1 1 ALLOWED ENVIRONMENTAL CONDITIONS 81 6 1 2 CHECKS BEFORE INST...

Page 9: ... PM 182 MONITOR AND M A ACCELERATING VALVE 104 8 9 CHECKING THE SA SLAM SHUT VALVE FOR SEALING DURING SHUT OFF 106 8 9 1 CALIBRATION PROCEDURE FOR PRESSURE SWITCHES MOD SA 108 8 10 COMMISSIONING PROCEDURE FOR THE REVAL 182 REGULATOR WITH BUILT IN SLAM SHUT VALVE SB 82 110 8 10 1 CHECKING THE SB 82 SLAM SHUT VALVE TIGHTNESS DURING SHUT OFF 110 8 10 2 CALIBRATION PROCEDURE FOR PRESSURE SWITCHES MOD ...

Page 10: ...ING VALVE MAINTENANCE 280 9 4 9 SA SLAM SHUT VALVE MAINTENANCE 284 9 4 10 MAINTENANCE OF PRESSURE SWITCH MOD SA 288 9 4 11 MAINTENANCE BUILT IN SLAM SHUT VALVE SB 82 300 9 4 12 HP2 2 BYPASS DEVICE MAINTENANCE PROCEDURE 325 9 4 13 MAINTENANCE PROCEDURE FOR PRESSURE SWITCHES MOD 100 326 9 4 14 LINE OFF 2 0 DISCONNECTION 338 9 4 15 MAINTENANCE SLAM SHUT VALVE INCORPORATED HB 97 340 9 4 16 LINE OFF 2 ...

Page 11: ...HARGE 395 11 3 UNINSTALLATION 395 11 4 INFORMATION REQUIRED IN CASE OF RE INSTALLATION 395 11 5 DISPOSAL INFORMATION 396 12 RECOMMENDED SPARE PARTS 397 12 1 GENERAL WARNINGS 397 12 2 HOW TO REQUEST SPARE PARTS 397 13 CALIBRATION TABLES 399 13 1 CALIBRATION TABLES FOR 200 A SERIES PILOTS AND PRE REGULATORS 399 13 2 PRESSURE SWITCH CALIBRATION TABLES MOD SA 400 13 3 PRESSURE SWITCH CALIBRATION TABLE...

Page 12: ...12 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 ...

Page 13: ...sment procedure adopted is in accordance with module H1 as per Annex III of the Directive NOTICE The declaration of conformity in its original version is delivered together with the equipment and this oper ating and warning manual 2 4 WARRANTY PIETRO FIORENTINI S p A guarantees that the equipment was manufactured using the best materials with high quality workmanship and complies with the quality ...

Page 14: ...and understand the operating and warning instructions of the machine before working with or on it Tab 2 4 HAZARD Alerts to a hazard with a high level of risk an imminent hazardous situation which if not prevented will result in death or severe damage WARNING Alerts to a hazard with a medium level of risk a potentially hazardous situation which if not prevented may result in death or severe damage ...

Page 15: ...nd their contents is not allowed Keep the instruction manual near the equipment in an accessible place known by all qualified technicians involved in using and running it PIETRO FIORENTINI S p A shall not be held liable for any damage to people animals and property caused by failure to adhere to the warnings and operating procedures described in this instruction manual The original instruction man...

Page 16: ...ntentionally damaged or removed the customer must notify PIETRO FIORENTINI S p A The equipment and its accessories are provided with nameplates from Id 1 to Id 8 The nameplates specify identification details of the equipment and its accessories to be provided if necessary to PIETRO FIORENTINI S p A Table 2 5 shows the nameplates applied Id Type Image 1 NAMEPLATE REGULATOR EC version 2 NAMEPLATE PI...

Page 17: ...aintenance and warning instructions MEDIUM PRESSURE REGULATOR GENERAL INFORMATION REV 00 EN Id Type Image 5 NAMEPLATE MONITOR 6 NAMEPLATE SLAM SHUT VALVE 7 NAMEPLATE PRESSURE SWITCH 8 NAMEPLATE ACCELERATING VALVE Tab 2 5 ...

Page 18: ...ating in the conformity assessment of the equipment Pilot Pilot family PS Maximum permissible pressure for which the equipment was designed Pumax Maximum inlet pressure at which the regulator can operate continuously under specific condi tions REGULATOR Equipment family SG Shut off pressure class Slam shut device Slam shut valve family S n Equipment serial number Strength type Resistance class Int...

Page 19: ...ed pressure in the pressure switch incorporated in the slam shut valve This range can be obtained by adjusting and or replacing the components for example spring or sensitive element Wdsu Full setpoint range with regard to tripping caused by decreased pressure in the pressure switch built in the slam shut valve This range can be obtained by adjusting but not replacing the components Tab 2 6 ...

Page 20: ...ion Volumetric flow rate Stm h Standard cubic metres per hour Scfh Standard cubic feet per hour Pressure bar Unit of measurement in the CGS system psi Pounds per square inch wc inch of water column Pa Pascal Temperature C Degree centigrade F Fahrenheit degree K Kelvin Tightening torque Nm Newton metre ft lbs Foot per pound Sound pressure dB Decibel Other measures V Volt W Watt Ω Ohm Tab 2 7 ...

Page 21: ...e presence of voltage inside electri cal panels junction boxes control equipment etc only if he she is deemed to be suitable S P For general requirements refer to the IEC EN 50110 1 2014 standard Worker in charge of transport handling unloading and place ment on site Operator qualified to use lifting equipment handle materials and equipment The equipment must be lifted and handled strictly in acco...

Page 22: ...22 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR GENERAL INFORMATION REV 00 ...

Page 23: ...NTION Authorised operators must not carry out operations or services on their own initiative that do not fall with in their competence Never operate the equipment while under the influence of intoxicating substances such as alcohol if you are using drugs that may lengthen reaction times NOTICE The employer must train and inform operators on how to behave during operations and on the equipment to b...

Page 24: ...dent prevention safety shoes Obligation to use noise protection equipment Indicates a requirement for the personnel to use ear muffs or ear plugs to protect their hearing Obligation to wear protective clothing Indicates a requirement for the personnel to wear specific protective clothing Obligation to use a protective mask Indicates a requirement for the personnel to use respiratory masks in the e...

Page 25: ...ts of PED 2014 68 EU point 1 2 of Annex I below is an assessment of the risks as sociated with the equipment and an indication of the principles adopted for their prevention according to the following classification a Elimination and or reduction of the risk b Application of appropriate protective measures c Information to users about residual risks ...

Page 26: ...rised parts Explosion Overpressure or exceedance of the rated limit values maximum pressure allowed Explosion Breaks Cracks Permanent defor mations a The device has appropriate design safe ty margins b The user must check the maximum pressure applicable to the equipment c The maximum allowable pressure is highlighted on the appropriate plate on the equipment Falling of the equipment Dangerous han ...

Page 27: ...ice Pressurised gas leakage Projection of metallic and non metallic pressurised parts Electrostatic poten tial differential stray currents Corrosion localised in the device b The user must equip the device with the necessary protection and earthing devices c The above requirements are referred to in the use and warning instruction manual Pressurised gas leakage Projection of metallic and non metal...

Page 28: ...s for use and warning First start up No During the production cycle and before the CE marking according to Directive 2014 68 EU the ex ternal tightness of the equipment is checked at a value of 1 1 PS in accordance with Standard EN 334 Before commissioning the ex ternal tightness of the portion of the system on which the equip ment is installed is checked at a suitable pressure in accordance with ...

Page 29: ...t involves static sealing to the outside Decommissioning No The pressure of the system sec tion in which the equipment is in stalled must be reduced with ap propriate vent lines channelled to a safe area in accordance with the provisions of Standard EN 12186 and Standard EN 12279 The residual gas must be dis charged as indicated above The instructions for use indicate the need to meet the requirem...

Page 30: ...pressure fluid to escape It is forbidden to operate in various capacities on the equipment without the PPE indicated in the work procedures described in these use and warning instructions operate in the presence of open flames or bring open flames close to the work area smoke near the equipment or while working on it use the equipment with parameters other than those indicated on the nameplate use...

Page 31: ...to replace the safety pictograms which following wear removal or tampering are illegible 3 6 RISK LEVEL Depending on the operating conditions use and configuration required the equipment may generate noise beyond the limits allowed by current legislation in the country of installation For the value of the noise generated by the equipment and further information contact PIETRO FIORENTINI S p A ATTE...

Page 32: ...32 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR SAFETY REV 00 ...

Page 33: ...ven when the following varies inlet pressure value the required flow rate within the operating conditions of the equipment The main elements of the equipment are see Fig 4 1 Pos Description Pos Description 1 Main regulator 6 Reinforced gasket 2 Piloting unit 7 Main plug 3 Pre regulator R31 A 8 Main diaphragm 4 Pilot 201 A 9 Pre regulator R14 A 5 Main regulator body 10 Pilot 204 A Tab 4 13 4 2 3 8 ...

Page 34: ...gulator controlled with a fail close reaction on closure reaction that is it closes in the event of breakage of main diaphragm breakage of pilot 204 A diaphragm no power supply to the pilot 4 2 OPERATION 1 5 6 3 2 4 7 A E 10 18 11 C 12 F 17 G 15 16 14 D B 8 9 13 20 19 21 22 Upstream pressure Downstream pressure Loading pressure Pre regulator pressure Fig 4 2 Operation REVAL 182 ...

Page 35: ... circuit with continuous discharge through a transfer hole 18 in the diaphragm protection disc into the downstream pressure in the chamber D Under normal operating conditions the plug 13 of the pilot is positioned so that the value of the loading pressure Pm is such that the value of the downstream pressure Pd remains around the set value If during operation the following should occur Operating co...

Page 36: ... the use of the equipment in a way not foreseen in the phase but which can derive from easily predictable human behaviour corrosive fluids fluids not properly treated upstream liquids instinctive reaction of an operator in the event of a malfunction accident or breakdown while using the equipment behaviour resulting from pressure to keep the equipment running under all circumstances behaviour resu...

Page 37: ...pending on the pilot installed Minimum differential pressure 0 1 bar Accuracy class AC up to 2 5 depending on operating conditions Shut off pressure class SG up to 5 depending on operating conditions Tubing connections Class 150 RF or RTJ according to ASME B16 5 and PN16 25 and 40 according to ISO 7005 Tab 4 16 Cg Kg and K1 coefficients Nominal diameter mm 25 50 65 80 100 150 200 250 Size inches 1...

Page 38: ...ilt in slam shut valve SA DN 1 to DN 4 SB 82 built in slam shut valve Built in HB 97 slam shut valve DN 4 to DN 10 The possible configurations are listed in Table 4 19 REVAL 182 DB 182 LDB 171 PM 182 SA SB 82 HB 97 DB 182 No Yes Yes Yes Yes LDB 171 No Yes Yes Yes Yes PM 182 Yes Yes No No No SA Yes Yes No No No SB 82 Yes Yes No No No HB 97 Yes Yes No No No Tab 4 19 The accessories can be installed ...

Page 39: ...CER DB 182 The DB 182 silencer 1 is incorporated in the regulator 2 The DB 182 silencer 1 attenuates the noise generated by the equipment during the rolling process Noise is absorbed precisely where it is generated which prevents it from propagating 2 1 Upstream pressure Downstream pressure Loading pressure Pre regulator pressure Fig 4 3 Built in silencer DB 182 ...

Page 40: ...NCER LDB 171 The LDB 171 silencer 1 is incorporated in the regulator 2 The LDB 171 silencer 1 reduces the noise generated by the equipment during the lamination process Noise is absorbed precisely where it is generated which prevents it from propagating 2 1 Upstream pressure Downstream pressure Fig 4 4 Built in silencer LDB 171 ...

Page 41: ...pressure regulator 2 in a fully open position during normal operation The PM 182 1 monitor is used to keep the pressure value downstream of the main regulator within the pre set limits in case of failure The PM 182 monitor 1 is incorporated in the regulator 2 1 2 Upstream pressure Downstream pressure Pre regulator pressure Monitor loading pressure Fig 4 5 REVAL 182 with built in monitor PM 182 ...

Page 42: ...lanced just like the stem 6 as a result of the upstream pressure Up through the hole A in the chamber B The position of the plug 3 is controlled by the movements of the diaphragm 7 on which the forces act towards the shut off position the load of the spring 4 and the thrust resulting from the downstream pressure Pd in the chamber C towards the open position the thrust resulting from the loading pr...

Page 43: ...n during standard operation as pilot 4 calibration is higher than that of the main regulator s 2 pilot The passage of the pre regulator pressure Pep generated by the pre regulator R31 A 5 through the fully open pilot 4 keeps the built in monitor PM 182 1 fully open 1 2 5 4 Upstream pressure Downstream pressure Pre regulator pressure Monitor loading pressure Fig 4 7 Operation of the built in monito...

Page 44: ... chamber A and the calibration spring 3 of the pilot 4 which causes increased opening of the pilot 4 plug 5 consequent increase in the value of the load ing pressure Pm inside the chamber B Opening of the main regulator 2 plug 7 until forces between the downstream pressure Pd in the chamber A and the pilot 4 calibration spring 3 have been balanced again Increase in downstream pressure Pd with the ...

Page 45: ...he accelerating valve based on a downstream pressure signal Pd discharges the gas contained in the loading cham ber of the monitor into the atmosphere thus enabling more rapid tripping The setting of the accelerating valves must be higher than the monitor s cut off pressure 1 with reference to the specific cut off pressure value refer to the identification plates in par 2 8 Calibration is performe...

Page 46: ...instructions MEDIUM PRESSURE REGULATOR DESCRIPTION AND OPERATION REV 00 Fig 4 10 shows the M A accelerating valve 2 1 3 4 SFIATO Upstream pressure Downstream pressure Pre regulator pressure Monitor loading pressure Fig 4 10 M A accelerating valve ...

Page 47: ...ice is used to shut off the gas flow if the pressure value at the control point exceeds the calibration value of the valve itself The slam shut valve is incorporated in the main regulator of the equipment and consists of a control system the slam shut device mechanism In the event of tripping the slam shut valve shuts off power supply to the regulator and its control pilot ...

Page 48: ...downstream pressure increase and or decrease design pressure 18 9 bar for all accessory components local shut off button rearming without the need for a bypass thanks to the balanced plug Pressure switch type Set Operating range bar AG SA 91 max 0 025 1 1 10 SA 92 max 0 7 2 10 max 2 5 5 SA 93 max 3 4 10 max 4 13 3 5 Tab 4 22 For the calibration values of the minimum spring please refer to chapter ...

Page 49: ...ripping due to a pressure surge the downstream pressure Pd exceeds the calibration value the load on the diaphragm 6 increases until the resistance of the spring 4 is overcome the drive shaft 8 moves the feeler gauge 10 by means of the cam to the opening position releasing the lever mechanism In the event of a tripping due to pressure drop the downstream pressure Pd decreases below the calibration...

Page 50: ...ease design pressure 100 bar for all accessory components local shut off button manual reset only with internal bypass activated by the reset lever Pressure switch type Set Operating range bar AG Mod 101M 101MH max 0 02 1 5 max 0 5 1 2 5 Mod 102M 102MH max 0 2 5 5 5 Mod 103M 103MH max 2 7 5 max 7 22 2 5 Tab 4 24 For the calibration values of the minimum spring please refer to chapter 13 Calibratio...

Page 51: ... tripping calibrated to the pre set values The translation of the stem 5 causes the control device 8 of the mobile system to be released and through the action of the spring 9 the plug 1 to be shut off To reset the device it is necessary to act on the lever 3 which opens an internal bypass in the first section of the stroke allowing the upstream pressure to be transferred from the inlet chamber to...

Page 52: ... fig 4 13 Pos Description 4 HP2 2 filtering device of the gas supplying the control circuit it also acts as a bypass necessary for resetting the built in slam shut valve HB 97 5 R44 SS pressure regulator necessary to decrease the upstream pressure of the regulator to the loading pres sure of the HB 97 incorporated slam shut valve s cylinder 6 AR100 flow lamination valve to adjust the pressure load...

Page 53: ... the activation button 13 of the bypass the pressurised gas is filtered and feeds the AR100 lamination valve 6 which in turn supplies the chamber of the adjustment spring B the R44 SS regulator 5 calibrated at a pressure of 4 5 bar to overcome the force of the shut off spring 15 of the main valve Pressing the reset button 16 acts on the pressure switch coupling 9 so that the 3 2 valve 8 can be ope...

Page 54: ... 14 Pos Description 1 Control element NOTICE The control element can be a diaphragm or a piston 2 Stem 3 4 Adjustment feeler gauges 5 Spring for maximum pressure tripping 6 Spring for minimum pressure tripping 7 UPSO minimum spring adjustment ring nut 6 8 OPSO maximum pressure spring adjustment ring nut 5 10 Manual release button Tab 4 29 8 7 5 6 4 3 2 1 10 Downstream pressure Fig 4 14 Slam shut d...

Page 55: ...LATOR DESCRIPTION AND OPERATION REV 00 EN Table 4 30 lists the models of possible pressure switches for this regulator Model pressure switch Max bar Min bar 101M 0 02 1 0 01 0 26 101MH 0 02 1 102M 0 2 5 5 0 05 2 8 102MH 0 2 5 5 2 8 5 5 103M 2 22 0 2 8 103MH 2 22 8 19 Tab 4 30 ...

Page 56: ...56 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR DESCRIPTION AND OPERATION REV 00 ...

Page 57: ...ith forklift or crane Operator qualification Person in charge of transport handling unloading and placing on site PPE required WARNING The PPE listed in this table is related to the risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions please refer to the regulations in force in the country of installatio...

Page 58: ...e kept in their packaging until they are installed Upon receiving the equipment make sure that no part has been damaged during transport and or handling immediately report any damage found to PIETRO FIORENTINI S p A NOTICE PIETRO FIORENTINI S p A shall not be liable for any damage to people or property caused by accidents due to failure to comply with the instructions provided in this manual Table...

Page 59: ...59 REVAL 182 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 EN ...

Page 60: ...50 65 80 100 150 200 250 Size inches 1 2 2 1 2 3 4 6 8 10 S 183 254 276 298 352 451 546 673 Ø 375 375 495 495 495 630 630 630 A 320 350 430 430 470 550 650 770 B 410 430 530 530 600 735 850 760 C 100 130 140 150 190 220 260 310 D 130 160 180 200 250 270 315 398 F 350 350 410 410 410 475 475 470 G 250 285 330 340 370 400 450 550 H 430 480 570 580 660 770 910 1070 P 170 205 250 260 290 320 370 470 C...

Page 61: ... 3 4 6 8 10 S 183 254 276 298 352 451 543 673 Ø 375 375 495 495 495 630 630 630 A 520 550 650 675 755 920 1050 1262 B 610 640 780 785 895 1120 1250 1450 C 100 130 140 150 190 220 260 310 D 130 160 180 200 250 270 315 398 F 350 350 410 410 410 475 475 470 G 450 480 550 585 655 770 850 1040 H 820 850 965 1010 1115 1350 1525 1575 K 370 400 470 505 575 690 770 700 P 215 295 325 325 390 470 600 960 Con...

Page 62: ...0 150 200 Size inches 1 2 2 1 2 3 4 6 8 S 183 254 276 298 352 451 543 Ø 375 375 495 495 495 630 630 A 320 350 430 430 470 550 650 B 410 430 530 530 600 735 850 C 260 290 370 380 410 490 590 D 410 430 530 530 600 735 850 F 350 350 410 410 410 475 475 G 250 285 330 340 370 400 450 H 640 700 860 860 940 110 1300 M 260 295 340 350 380 410 460 P 170 205 250 260 290 320 370 Connecting pneumatic connecti...

Page 63: ... SA Nominal diameter mm 25 50 65 80 100 Size inches 1 2 2 1 2 3 4 S 183 254 276 298 352 Ø 375 375 495 495 495 A 320 350 430 430 470 B 410 430 530 530 600 C 145 161 178 185 404 D 212 255 292 322 626 F 350 350 410 410 410 G 250 285 330 340 370 H 465 511 608 615 874 L 98 146 146 146 146 M 194 219 232 246 263 N 125 125 125 125 130 P Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 39 REVAL 182 ...

Page 64: ...ize inches 1 2 2 1 2 3 4 6 8 10 S 183 254 276 298 352 451 543 673 Ø 375 375 495 495 495 630 630 630 A 320 350 430 430 470 550 650 770 B 410 430 530 530 600 735 850 760 C 300 300 315 335 360 430 475 550 D 390 390 425 445 500 615 695 800 F 350 350 410 410 410 475 475 470 G 250 285 330 340 370 400 450 550 H 620 650 745 765 830 980 1125 1320 P 170 205 250 260 290 320 370 470 Connecting pneumatic conne...

Page 65: ...s REVAL 182 HB 97 Nominal diameter mm 100 150 200 250 Size inches 4 6 8 10 S 352 451 543 673 Ø 495 630 630 630 A 470 550 650 770 B 600 735 850 760 C with HB 97 518 645 687 796 D with HB 97 650 835 900 1060 F 410 475 475 470 F1 358 410 445 510 G 370 400 450 550 H with HB 97 988 1195 1337 1566 P 290 320 370 470 Connecting pneumatic connections Tab 5 43 REVAL 182 HB 97 Weight kgf 122 236 308 624 Tab ...

Page 66: ...N Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 5 2 7 REVAL 182 DB 182 PM 182 P Ø DN DN S Ø B D G M A C H F Fig 5 21 REVAL 182 DB 82 PM 182 physical characteristics ...

Page 67: ...75 375 495 495 495 630 630 A 520 550 650 675 755 920 1050 B 610 640 780 785 895 1120 1250 C 260 290 370 380 410 490 590 D 410 430 530 530 600 735 850 F 350 350 410 410 410 475 475 G 450 480 550 585 655 770 850 H 780 840 1020 1055 1165 1410 1640 K 215 295 325 325 390 470 600 L 260 295 340 350 380 410 460 P 370 400 470 505 575 690 770 Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 45 REVAL ...

Page 68: ...82 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 5 2 8 REVAL 182 DB 182 SA S N DN DN P Ø B D F G C A H M Fig 5 22 Physical characteristics REVAL 182 DB 182 SA ...

Page 69: ...83 254 276 298 352 Ø 375 375 495 495 495 A 520 550 650 675 755 B 610 640 780 785 895 C 145 161 178 185 404 D 212 255 292 322 636 F 350 350 410 410 410 G 250 480 550 585 655 H 465 511 608 615 874 K 215 295 325 325 390 L 98 146 146 146 146 M 194 219 232 246 263 N 125 125 125 130 130 P 370 400 470 505 575 Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 47 REVAL 182 DB 182 SA Weight kgf 35 52 ...

Page 70: ... EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 5 2 9 REVAL 182 DB 182 SB 82 DN DN P S Ø B D F A G C H K Fig 5 23 Physical characteristics REVAL 182 DB 182 SB 82 ...

Page 71: ...51 543 673 Ø 375 375 495 495 495 630 630 630 A 520 550 650 675 755 920 1050 1262 B 610 640 780 785 895 1120 1250 1450 C 300 300 315 335 360 430 475 550 D 390 390 425 445 500 615 695 800 F 350 350 410 410 410 475 475 470 G 250 480 550 585 655 770 850 1040 H 820 850 965 1010 1115 1350 1525 1812 P 370 400 470 505 575 690 770 700 Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 49 REVAL 182 DB ...

Page 72: ...72 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 5 2 10 REVAL 182 DB 182 HB 97 Fig 5 24 Physical characteristics REVAL 182 DB 182 HB 97 ...

Page 73: ...HB 97 Nominal diameter mm 100 150 200 250 Size inches 4 6 8 10 S 352 451 543 673 Ø 495 630 630 630 A 755 920 1050 1262 B 895 1120 1250 1450 C 518 645 687 796 D 650 835 900 1060 F 410 475 475 470 G 655 770 850 1040 H 650 835 900 1060 P 575 690 770 700 Connecting pneumatic connections Tab 5 51 REVAL 182 DB 182 HB 97 Weight kgf 196 380 534 944 Tab 5 52 ...

Page 74: ...he lifting equipment is suitable for the load WARNING Unloading transport and handling activities must be carried out by operators qualified and specially trained on accident prevention rules on maximum safety in the workplace on the use of lifting equipment ATTENTION Before moving the equipment remove any movable or hanging component or firmly secure it to the load protect fragile equipment check...

Page 75: ...er avvantaggiare il momento ribaltante e garantire una maggiore stabilità del carico durante il trasporto Adeguare la velocità d brusche 7 Posizionare il carico n Sollevare le forche fi Nota se necessario fi 3 Raise the forks until they are touching the load NOTICE Fasten the load to the forks with clamps or similar devices if required 2 1 2 3 4 5 6 Posizionare le forche del carrello elevatore sot...

Page 76: ...ro delle forche di sollevamento Inclinare il montante all indietro verso il posto guida per avvantaggiare il momento ribaltante e garantire una maggiore stabilità del carico durante il trasporto Adeguare la velocità d brusche 7 Posizionare il carico n 6 Adjust transport speed according to the type of floor and load avoiding sudden manoeuvres WARNING In the case of obstacles along the path particul...

Page 77: ...he load on the ground operate near power lines stand within the range of action of the crane NOTICE Packaging must be always handled in a vertical position The equipment must be handled using the lifting points provided on the equipment itself To carry out the transport cor rectly follow the following procedure in tab 5 54 Step Action Image 1 Attach the lifting rope or chain to the appropriate sup...

Page 78: ...ty Tab 5 55 To unpack the equipment in a cardboard box proceed as described in tab 5 56 Step Action Image 1 Remove the straps A B A A A 2 Remove the packaging cardboard B 3 Remove the fasteners that secure the equipment to the base if any 4 Move the equipment from the base to the place intended for it NOTICE Have at least 2 operators manually move the equipment if required due to its dimensions we...

Page 79: ... installation warnings after prolonged storage Temperature Not above 40 C Humidity Not above 70 Radiation Away from radiation sources according to UNI ISO 2230 2009 Tab 5 57 5 5 1 PRE INSTALLATION WARNINGS AFTER PROLONGED STORAGE For installations that have been stored for longer than 3 years the condition of all rubber parts must be checked and if found to be damaged they must be replaced in orde...

Page 80: ...80 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 ...

Page 81: ...quipment The installation area of the equipment must be properly lit to ensure proper operator visibility during working on the equipment NOTICE The equipment must operate in places that are properly lit by artificial lighting suitable for the protection of the operator in compliance with UNI EN 12464 1 2011 and UNI EN 12464 2 2014 If maintenance work is to be performed in areas and or parts that ...

Page 82: ... ensured that the expected dimensions of the installation site are compatible with those of the equipment there are no impediments for the workers in charge of maintenance the upstream and downstream pipes are at the same level and can bear the weight of the equipment the inlet and outlet connections of the pipes are aligned on the flanges the inlet and outlet connections of the equipment are clea...

Page 83: ...re proceeding with installation make sure that the upstream and downstream valves installed on the line are shut off WARNING Installation may also take place in areas where there is a risk of explosion which implies that all necessary prevention and protection measures have to be taken For these measures please refer to the regulations in force at the place of installation ...

Page 84: ...the gas flow direction In line installation they must be present see Fig 6 25 and 6 26 Pos Description 1 1 shut off valve upstream of the equipment 2 2 vent valves one upstream and one downstream of the equipment 3 2 pressure gauges one upstream and one downstream of the equipment 4 1 pressure regulator 5 1 shut off valve downstream of the equipment Tab 6 59 5 Fig 6 25 In line installation 5 Fig 6...

Page 85: ...ccording to the re quirements of standards UNI EN 12186 2014 or UNI EN 12279 2007 Equipment vents must be ducted in accordance with UNI EN 12186 2014 or UNI EN 12279 2007 or the standards in force at the place of installation of the equipment 6 4 REGULATOR INSTALLATION POSITIONS Figure 6 27 and 6 28 illustrate typical regulator arrangements Fig 6 27 Standard position Fig 6 28 Inverted position ...

Page 86: ...E For installation after maintenance replace the seals 6 5 2 CONNECTION OF THE SENSING LINES TO THE DOWNSTREAM PIPING Fig 6 29 Connection of sensing lines to the downstream piping For proper adjustment it is essential that the downstream shut off valve is placed at a distance of at least 6 times the nominal diameter of the pipe downstream of the regulator the downstream sensing lines are placed on...

Page 87: ...te pneumatic connections must have pipes with a minimum internal diameter of 8 mm To prevent the pneumatic connections of the sensing lines from collecting impurities and condensation it is necessary that the connections of the pneumatic connection are always welded to the top or horizontal axis of the pipe itself refer to Fig 6 30 the hole in the piping has no burrs or internal protrusions the sl...

Page 88: ...sensing lines of the slam shut valve accelerator if any NOTICE If there is a multiple sensing line it is not recommended to place shut off valves on sensing lines In any case follow the regulations in force in the place of installation and use of the equipment 5 3 1 2 4 6 5 3 1 2 4 6 Fig 6 31 Equipment connections 6 6 POST INSTALLATION AND PRE COMMISSIONING CHECKS When the equipment is operating m...

Page 89: ...ated to the risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions please refer to the regulations in force in the country of installation any information provided by the Safety Manager at the installation facility Tab 7 61 The types of equipment required for commissioning and maintenance of the equipment ...

Page 90: ...LATOR COMMISSIONING AND MAINTENANCE EQUIPMENT REV 00 Ref Equipment type Image G T handle hex socket wrench H Phillips screwdriver I Slotted screwdriver L O ring extraction tool M Circlip pliers N Fiorentini special key O Fiorentini special key P Fiorentini special tool Tab 7 62 ...

Page 91: ...OTICE Equipment for DB 182 silencer configurations see paragraph 5 2 refer to the REVAL 182 DB 182 equip ment table tab 7 65 If necessary please refer to the accessories equipment table REVAL 182 LDB 171 Equipment DN Ref Type 1 2 2 1 2 3 4 6 8 10 A K Wr 10 16 17 18 19 22 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 41 10 16 17 18 19...

Page 92: ...8 4 5 8 4 5 8 4 5 8 4 5 8 4 5 8 4 5 8 4 5 8 G K Wr 8 10 17 20 8 10 17 20 10 17 19 20 10 17 19 20 10 17 19 20 10 17 10 17 10 17 I L 65x100 L Code 7999099 O Code 7999031 7999033 7999034 7999035 7999036 7999037 7999038 7999041 Tab 7 65 REVAL 182 PM 182 Equipment DN Ref Type 1 2 2 1 2 3 4 6 8 A K Wr 10 16 17 18 19 22 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 3...

Page 93: ...ype 1 2 2 1 2 3 4 6 8 10 A K Wr 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 30 10 16 17 18 19 22 24 27 41 10 16 17 18 19 22 24 27 41 10 16 17 18 19 22 24 27 41 10 16 17 18 19 24 30 55 B L 300 C Ø 4 D K Wr 24 24 24 24 24 24 27 41 24 27 41 27 30 55 E K Wr 2 5 8 2 5 8 2 5 8 2 5 8 2 5 8 2 5 8 2 5 8 2 5 8 14 F K Wr 4 5 8 4 5 8 4 5 8 4 5 8 4 5...

Page 94: ...B 97 Equipment DN Ref Type 4 6 8 10 A K Wr 10 16 17 18 19 22 24 27 41 10 16 17 18 19 22 24 27 41 10 16 17 18 19 22 24 27 41 7 10 16 17 19 24 30 55 57 B L 300 C Ø 4 D K Wr 24 24 27 41 24 27 41 17 27 30 55 E K Wr 2 5 8 2 5 8 2 5 8 4 5 8 F K Wr 4 5 8 4 5 8 4 5 8 10 17 I L 6 5 x 100 L Code 7999099 M Ø 19 60 N Code 7999019 P Code 7999097 Tab 7 69 ...

Page 95: ... in slam shut valves SA SB 82 or HB 97 are fitted to the equipment any pilots or pressure switches installed will already be calibrated NOTICE It is possible that for various reasons e g vibrations during transport the calibration of the equipment s accessories may vary although within the values indicated on the identification plates Before commissioning the equipment it is necessary to check tha...

Page 96: ... equipment from damage never pressurise the equipment through a valve located downstream of it depressurise the equipment through a valve located upstream of it Commissioning can be carried out using two different procedures Commissioning types Injection of an inert fluid Pressurising the equipment by injecting an inert fluid e g nitrogen to avoid potentially explosive mixtures for services with c...

Page 97: ...nt with a foaming solution in order to check the tightness of the regulator s external sur faces and of the connections made during installation or equivalent control system 8 4 CALIBRATION OF EQUIPMENT AND ACCESSORIES INSTALLED NOTICE To properly calibrate the equipment and accessories present refer to the accuracy class indicated on the nameplates see section 2 8 ...

Page 98: ...MISSIONING PROCEDURE In the application consisting of two pressure adjusting lines it is advisable to commission one line at a time starting with the line with the lowest set point The set point value is mentioned on the test certificate enclosed with each piece of equipment Fig 8 32 Commissioning the regulator REVAL 182 ...

Page 99: ...ream pressure after an increase phase does not exceed the shut off pressure value refer to the SG value on the nameplate see par 2 8 NOTICE If the downstream pressure exceeds the shut off pressure value refer to chapter 10 Fault search and troubleshooting to remove the causes of the malfunction 7 Check all fittings between the shut off valves V1 V2 for sealing NOTICE Check for sealing with a foami...

Page 100: ...ng screws fig 8 43 of the pilots 3 10 3 Completely compress the pilot spring 3 by turning the adjusting screw fig 8 43 clockwise 4 Completely relieve the pilot spring 10 by turning the adjustment screw fig 8 43 anticlockwise 5 Open the inlet shut off valve V1 very slowly NOTICE Check the pressure by referring to the pressure gauge 4 located upstream 6 Turn the adjustment screw fig 8 43 on the moni...

Page 101: ...increase phase does not exceed the shut off pressure value refer to the SG value on the nameplate see par 2 8 NOTICE If the downstream pressure exceeds the shut off pressure value refer to chapter 10 Fault search and troubleshooting to remove the causes of the malfunction Check the pressure referring to the pressure gauge 5 located upstream 12 Check all joints between the shut off valves V1 V2 for...

Page 102: ...ring 3 by turning the adjusting screw fig 8 42 clockwise 4 Completely relieve the pilot spring 10 by turning the adjustment screw fig 8 42 anticlockwise 5 Completely compress the spring of the V 25 accelerating valve 11 by turning the adjustment ring nut clock wise Fig 8 43 6 Open the inlet shut off valve V1 very slowly NOTICE Check the pressure by referring to the pressure gauge 4 located upstrea...

Page 103: ...at the set value by referring to the downstream pressure gauge 5 NOTICE To reduce the pressure down to the pre set value turn the pilot adjustment screw 3 anti clock wise To increase the pressure up to the pre set value turn the pilot adjustment screw 3 clockwise 13 Slowly close the drain cock 6 14 Check that the downstream pressure after an increase phase does not exceed the shut off pressure val...

Page 104: ...Completely compress the pilot spring 3 by turning the adjusting screw fig 8 43 clockwise 4 Completely relieve the pilot spring 10 by turning the adjustment screw fig 8 43 anticlockwise 5 Fully compress the M A accelerating valve spring 11 by turning the adjusting screw clockwise 6 Open the inlet shut off valve V1 very slowly NOTICE Check the pressure by referring to the pressure gauge 4 located up...

Page 105: ...o the downstream pressure gauge 5 NOTICE To reduce the pressure down to the pre set value turn the pilot adjustment screw 3 anti clock wise To increase the pressure up to the pre set value turn the pilot adjustment screw 3 clockwise 13 Slowly close the drain cock 6 14 Check that the downstream pressure after an increase phase does not exceed the shut off pressure value refer to the SG value on the...

Page 106: ...wnstream section completely 3 Slowly open upstream valve V1 4 Check the tightness of the slam shut valve through the pilot circuit supply connection located under the regu lator head disconnecting the connection from the regulator NOTICE Check the seal with a foaming substance If the connection is leaking refer to chapter 10 Fault search and troubleshooting to remove the causes of the malfunction ...

Page 107: ...107 REVAL 182 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV 00 EN ...

Page 108: ...8 32 ref 5 downstream of the main regulator If the slam shut valve trips before the expected pressure value screw in clockwise the adjustment ring nut 13 so as to further compress the spring 11 does not trip at the expected pressure value unscrew anti clockwise the adjustment ring nut 13 so as to relieve the spring 11 2 By opening the drain cock fig 8 32 ref 6 decrease the pressure in the downstre...

Page 109: ...d pressure value unscrew anti clockwise the adjustment ring nut 15 so as to relieve the spring 17 does not trip before the expected pressure value screw in clockwise the adjustment ring nut 15 so as to further compress the spring 17 3 Move the lock into the open position by means of the reset lever 16 and keep it open manually 4 Increase the downstream pressure to the set value of the regulator by...

Page 110: ...2 Open the drain cock 6 and drain the downstream section completely 3 Slowly open upstream valve V1 4 Check the tightness of the slam shut valve through the pilot circuit supply connection located under the regu lator head disconnecting the connection from the regulator NOTICE Check the seal with a foaming substance If the connection is leaking refer to chapter 10 Fault search and troubleshooting ...

Page 111: ...111 REVAL 182 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV 00 EN ...

Page 112: ...fig 8 32 ref 5 downstream of the main regulator If the slam shut valve trips before the expected pressure value screw in clockwise the adjustment ring nut 13 so as to further compress the spring 11 does not trip at the expected pressure value unscrew anti clockwise the adjustment ring nut 13 so as to relieve the spring 11 2 Reduce the pressure in the downstream section by opening the drain cock fi...

Page 113: ...d pressure value unscrew anti clockwise the adjustment ring nut 15 so as to relieve the spring 17 does not trip before the expected pressure value screw in clockwise the adjustment ring nut 15 so as to further compress the spring 17 3 Move the lock into the open position by means of the reset lever 16 and keep it open manually 4 Increase the downstream pressure to the set value of the regulator by...

Page 114: ...en the drain cock 6 and drain the downstream section completely 3 Slowly open upstream valve V1 4 Check the tightness of the slam shut valve through the pilot circuit supply connection located under the regu lator head disconnecting the connection from the regulator NOTICE Check the seal with a foaming substance If the connection is leaking refer to chapter 10 Fault search and troubleshooting to r...

Page 115: ...115 REVAL 182 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV 00 EN ...

Page 116: ...ng instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV 00 8 11 2 COMMISSIONING PROCEDURE AND CALIBRATION OF THE LINE OFF 2 0 DEVICE FOR SLAM SHUT VALVE HB 97 Fig 8 41 Commissioning and calibration of LINE OFF 2 0 for HB 97 slam shut valve ...

Page 117: ...adjusting the adjusting screw of the R44 SS regulator 7 5 increasing the pressure until the VS FI valve 7 6 trips by turning the adjusting screw of the R44 SS reg ulator 7 5 6 Repeat step 5 at least three times to properly calibrate the VS FI safety valve 7 6 7 By turning the adjusting screw calibrate the R44 SS regulator 7 5 to the required pressure value min 4 bar max 5 bar referring to the conn...

Page 118: ... Accelerating valve calibration Adjust the adjustment ring nut 23 anticlockwise to decrease the adjusted pressure clockwise to increase the adjusted pressure 8 13 2 CALIBRATION 200 A SERIES PILOTS AND M A ACCELERATING VALVE 10 Fig 8 43 200 A series pilot calibration Turn the adjusting screw 10 anti clockwise to decrease the adjusted pressure clockwise to increase the adjusted pressure ...

Page 119: ... to decrease the slim shut device tripping pressure clockwise to increase the slim shut device tripping pressure Turn the minimum pressure 17 ring nut 15 anti clockwise to decrease the slim shut device tripping pressure clockwise to increase the slim shut device tripping pressure NOTICE For calibration ranges please refer to chapter 13 Calibration tables ATTENTION After calibration of the pressure...

Page 120: ... the slim shut device tripping pressure clockwise to increase the slim shut device tripping pressure Turn the minimum pressure 17 ring nut 15 anti clockwise to decrease the slim shut device tripping pressure clockwise to increase the slim shut device tripping pressure NOTICE For calibration ranges please refer to chapter 13 Calibration tables ATTENTION After calibration of the pressure switch remo...

Page 121: ...nt is installed has been shut off downstream and upstream has been discharged WARNING In case of doubt do not perform any work Contact PIETRO FIORENTINI S p A for the necessary clarifications Managing and or using the equipment includes operations that are necessary as a result of normal use such as inspection and checks functional checks routine maintenance special maintenance NOTICE Maintenance ...

Page 122: ...e installed see Chapter 12 Recom mended spare parts The position specified in the assembly drawing of the equipment The equipment maintenance operations are divided from an operational point of view into three main categories Commissioning and maintenance operations Periodic checks and inspections All those checks that the operator must carry out on a regular basis to ensure that the equipment is ...

Page 123: ... e the operations that do not require any manual service on the equipment Some items thereof can be replaced remotely using suitable remote control tools Activity description Equipment accessories involved Evaluation criterion Minimum frequency Significant performance check Pressure regulators No fluctuations in the adjusted pres sure Significant pressure values within pre set limits Monthly Gas f...

Page 124: ...ANCE 9 3 1 GENERAL SAFETY WARNINGS HAZARD Put the equipment in a safe condition close the downstream shut off valve and then the upstream one and drain the line completely ensure that the pressure upstream and downstream of the equipment is 0 NOTICE Before installing new sealing elements o rings diaphragm etc they must be checked for integrity ...

Page 125: ...escription Evaluation criterion Minimum replacement frequency 1 Sealing rings for non metallic valve seats and plugs Pressure regulators 6 years Safety devices Pressure safety system equipment 1 Non metallic parts with internal sealing function of valve seats and accessories of individual equipment Pilots 6 years Pre regulators Accelerators Others possible 1 Non metallic parts with a sealing funct...

Page 126: ...llic parts of equipment with an in ternal sealing function under normal oper ating conditions during maintenance Relief valves 6 years Regulation lines disconnection equipment If there are proven leaks 2 Non metallic parts with a static sealing function only Various equipment If there are proven leaks 2 Lubricating parts Shut off valves Yearly Other equipment Yearly 2 Filter elements Filters As ne...

Page 127: ...quired WARNING The PPE listed in this table is related to the risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions please refer to the regulations in force in the country of installation any information provided by the Safety Manager at the installation facility Equipment required Refer to chapter 7 Equi...

Page 128: ...EVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 TIGHTENING TORQUES REVAL 182 Fig 9 46 Tightening torques REVAL 182 REVAL 182 1 2 ...

Page 129: ...25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X12 UNI 5931 10 7 31 Screw M12X35 UNI 5739 80 59 Tab 9 91 REVAL 182 DN 2 1 2 Pos Description Torque Nm Torque ft lb 11 M12 piston guide 35 25 25 Screw M10X25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M12X40 UNI 5739 80 59 64 Screw M12X40 UN...

Page 130: ...130 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Tightening torques REVAL 182 REVAL 182 1 2 ...

Page 131: ... Screw M14X25 UNI 5739 115 84 29 Screw M6X16 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M14X50 UNI 5737 115 84 64 Screw M14X50 UNI 5737 115 84 Tab 9 95 REVAL 182 DN 8 Pos Description Torque Nm Torque ft lb 11 Piston guide M18 110 81 25 Screw M10X25 UNI 5739 30 22 27 Screw M14X25 UNI 5739 115 84 29 Screw M6X16 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M14X55 UNI 5737 115 84 64 Sc...

Page 132: ...aintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 1 TIGHTENING TORQUES REVAL 182 SILENCER DB 182 Fig 9 47 Tightening torques REVAL 182 Silencer DB 182 REVAL 182 1 2 ...

Page 133: ...31 10 7 30 Screw M6X12 UNI 5931 10 7 31 Screw M10X30 UNI 5739 45 33 86 Screw M10X35 UNI 5931 45 33 87 Nut M14 UNI 5587 115 84 99 Screw M5X10 UNI 5931 6 4 Tab 9 98 REVAL 182 DN 2 DB 182 Pos Description Torque Nm Torque ft lb 9 Nut M12 35 25 11 M12 piston guide 35 25 25 Screw M10X25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X12 UNI 5931 10 7 31 Screw M12X3...

Page 134: ...134 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Tightening torques REVAL 182 Silencer DB 182 REVAL 182 1 2 ...

Page 135: ...5739 80 59 33 Nut M12 UNI 5589 35 25 64 Screw M12X40 UNI 5739 80 59 86 Screw M12X50 UNI 5931 80 59 87 Nut M18 UNI 5588 200 147 99 Screw M6X12 UNI 5931 10 7 Tab 9 100 REVAL 182 DN 3 DB 182 Pos Description Torque Nm Torque ft lb 11 M12 piston guide 35 25 25 Screw M10X25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M12X40 UNI 5739 80...

Page 136: ...136 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Tightening torques REVAL 182 Silencer DB 182 REVAL 182 1 2 ...

Page 137: ... 110 33 Nut M12 UNI 5589 35 25 64 Screw M16X50 UNI 5737 150 110 86 Screw M16X60 UNI 5931 200 147 87 Nut M20 UNI 5588 250 184 99 Screw M6X12 UNI 5931 10 7 Tab 9 102 REVAL 182 DN 6 DB 182 Pos Description Torque Nm Torque ft lb 11 Piston guide M18 110 81 25 Screw M10X25 UNI 5739 30 22 27 Screw M14X25 UNI 5739 115 84 29 Screw M6X16 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M14X50 UNI 5737 11...

Page 138: ...138 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Tightening torques REVAL 182 Silencer DB 182 REVAL 182 1 2 ...

Page 139: ...84 33 Nut M18 UNI 5589 110 81 64 Screw M14X55 UNI 5737 115 84 86 Screw M14X50 UNI 5931 130 95 87 Nut M24 UNI 5587 300 221 99 Screw M6X12 UNI 5931 10 7 Tab 9 104 REVAL 182 DN 10 DB 182 Pos Description Torque Nm Torque ft lb 11 Piston guide M18 110 81 25 Screw M10X35 UNI 5739 30 22 27 Screw M20X40 UNI 5739 300 221 29 Screw M6X16 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M16X90 UNI 5737 150...

Page 140: ...ntenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 2 TIGHTENING TORQUES FOR PM 182 BUILT IN MONITOR Fig 9 48 Tightening torques for PM 182 built in monitor REVAL 182 1 2 ...

Page 141: ...ston guide 35 25 25 Screw M10X25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X12 UNI 5931 10 7 31 Screw M12X35 UNI 5739 80 59 Tab 9 107 PM 182 DN 2 1 2 Pos Description Torque Nm Torque ft lb 11 M12 piston guide 35 25 25 Screw M10X25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X12 UNI 5931 10 7 31 Screw M12X40 UNI 5...

Page 142: ...142 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Tightening torques for PM 182 built in monitor REVAL 182 1 2 ...

Page 143: ...31 Screw M16X50 UNI 5739 150 110 Tab 9 110 PM 182 DN 6 Pos Description Torque Nm Torque ft lb 11 Piston guide M18 35 25 25 Screw M10X25 UNI 5739 30 22 27 Screw M10X20 UNI 5739 45 33 29 Screw M6X14 UNI 5931 10 7 30 Screw M6X16 UNI 5931 10 7 31 Screw M16X50 UNI 5739 150 110 Tab 9 111 PM 182 DN 8 Pos Description Torque Nm Torque ft lb 11 Piston guide M18 110 81 25 Screw M10X25 UNI 5739 30 22 27 Screw...

Page 144: ...IONAL CHECKS REV 00 9 4 1 3 TIGHTENING TORQUES 200 A SERIES PILOTS Fig 9 49 Tightening torques for 201 A pilot PILOTS 201 A Pos Description Torque Nm Torque ft lb 2 Nut M16X1 25 18 23 Screw M6X25 UNI 5931 7 5 24 Screw M8X30 UNI 5931 20 14 25 Nut M16x1 5 25 18 26 Nut M16x1 5 20 14 46 Nut M20x1 8 5 Tab 9 113 ...

Page 145: ...E REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 EN 24 24 26 25 2 2 12 Fig 9 50 Tightening torques for 204 A pilot PILOTS 204 A Pos Description Torque Nm Torque ft lb 2 Nut M16X1 25 18 24 Screw M8X30 UNI 5931 20 14 25 Nut M16X1 5 25 18 26 Nut M18X1 5 20 14 Tab 9 114 ...

Page 146: ...REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 4 PRE REGULATOR TIGHTENING TORQUES 16 15 Fig 9 51 Pre regulator R31 A tightening torques PRE REGULATOR R31 A Pos Description Torque Nm Torque ft lb 4 Cap 35 25 30 Nut M6x25 UNI 5931 8 5 32 Nut M8 UNI 5588 7 5 Tab 9 115 ...

Page 147: ...IUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 EN 15 4 16 21 16 Fig 9 52 Pre regulator R14 A tightening torques PRE REGULATOR R14 A Pos Description Torque Nm Torque ft lb 4 Cap 35 25 15 Nut M8x30 UNI 5931 20 14 16 Nut M8 UNI 5588 8 5 Tab 9 116 ...

Page 148: ...L 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 5 TIGHTENING TORQUE SA SLAM SHUT VALVE 4 Fig 9 53 SA slam shut valve tightening torques ...

Page 149: ...6X12 UNI 5931 10 7 130 Screw M5X16 UNI 5931 10 7 131 Screw M6X12 UNI 5931 10 7 Tab 9 118 SA DN 2 1 2 Pos Description Torque Nm Torque ft lb 41 Screw M6X12 UNI 5931 10 7 130 Screw M5X16 UNI 5931 10 7 131 Screw M6X12 UNI 5931 10 7 Tab 9 119 SA DN 3 Pos Description Torque Nm Torque ft lb 41 Screw M6X12 UNI 5931 10 7 130 Screw M5X16 UNI 5931 10 7 131 Screw M6X12 UNI 5931 10 7 Tab 9 120 SA DN 4 Pos Des...

Page 150: ... warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 6 TIGHTENING TORQUE CONTROL PRESSURE SWITCH SA 91 SA 92 SA 93 Fig 9 54 Tightening torques locking mechanism SA 91 SA 92 SA 93 SA 91 SA 92 SA 93 ...

Page 151: ...I 5931 4 2 42 Screw M5X20 UNI 5931 5 3 44 Screw M5X10 UNI 5933 5 3 Tab 9 122 SA 92 Pos Description Torque Nm Torque ft lb 18 Slam shut device guide 45 33 41 Screw M5X10 UNI 5931 4 2 42 Screw M5X20 UNI 5931 5 3 44 Screw M5X10 UNI 5933 5 3 Tab 9 123 SA 93 Pos Description Torque Nm Torque ft lb 18 Slam shut device guide 45 33 41 Screw M5X10 UNI 5931 4 2 42 Screw M8X25 UNI 5931 16 11 44 Screw M5X16 UN...

Page 152: ...G TORQUES SB 82 5 37 36 39 11 34 35 Fig 9 55 Tightening torques slam shut valve SB 82 DN 1 SB 82 DN 1 Pos Description Torque nm Torque ft lb 5 Safety valve screw M10 40 29 11 Screw M6X12 UNI 5931 10 7 34 Screw M6X20 UNI 5931 10 7 35 Screw M6X20 UNI 5931 10 7 36 Screw M12X45 UNI 5931 80 59 37 Screw M10X25 UNI 5931 45 33 39 Screw M6X20 UNI 5931 10 7 Tab 9 125 ...

Page 153: ...EV 00 EN 11 64 36 34 5 35 Fig 9 56 Tightening torques slam shut valve SB 82 DN 2 SB 82 DN 2 Pos Description Torque nm Torque ft lb 5 Safety valve screw M10 40 29 11 Screw M6X12 UNI 5931 10 5 34 Screw M6X20 UNI 5931 10 5 35 Screw M6X20 UNI 5931 10 5 36 Screw M6X20 UNI 5931 10 5 64 Screw M12X45 UNI 5931 80 59 Tab 9 126 ...

Page 154: ...9 34 35 Fig 9 57 Tightening torques slam shut valve SB 82 DN 2 1 2 to 4 SB 82 DN 2 1 2 Pos Description Torque nm Torque ft lb 5 Safety valve screw M10 40 29 9 Screw M12X40 UNI 5739 80 59 11 Screw M6X12 UNI 5931 10 5 34 Screw M6X20 UNI 5931 10 5 35 Screw M6X20 UNI 5931 10 5 36 Screw M6X20 UNI 5931 10 5 61 Nut M12 UNI 5588 80 59 Tab 9 127 ...

Page 155: ...alve screw M10 40 29 9 Screw M12X40 UNI 5739 80 59 11 Screw M6X12 UNI 5931 10 5 34 Screw M6X20 UNI 5931 10 5 35 Screw M6X20 UNI 5931 10 5 36 Screw M6X20 UNI 5931 10 5 61 Nut M12 UNI 5588 80 59 Tab 9 128 SB 82 DN 4 Pos Description Torque nm Torque ft lb 5 Safety valve screw M10 40 29 9 Screw M16X50 UNI 5737 150 110 11 Screw M6X16 UNI 5931 10 5 33 Screw M6X14 UNI 5934 10 5 34 Screw M6X20 UNI 5931 10...

Page 156: ...50 UNI 5737 115 84 11 Screw M6X16 UNI 5931 10 5 33 Screw M6X10 UNI 5931 10 5 34 Screw M8X25 UNI 5931 20 14 35 Screw M6X40 UNI 5931 10 5 36 Screw M6X20 UNI 5931 10 5 61 Nut M14 UNI 5588 115 84 Tab 9 130 SB 82 DN 8 Pos Description Torque nm Torque ft lb 5 Safety valve screw M10 40 29 10 Screw M14X50 UNI 5737 115 84 11 Screw M6X16 UNI 5931 10 5 33 Screw M6X10 UNI 5931 10 5 34 Screw M8X25 UNI 5931 20 ...

Page 157: ...7 35 36 33 31 Fig 9 60 Tightening torques slam shut valve SB 82 DN 10 SB 82 DN 10 Pos Description Torque nm Torque ft lb 9 Screw M16X90 UNI 5737 150 110 11 Screw M6X16 UNI 5931 10 5 31 Nut M20 UNI 5589 250 184 33 Screw M6X20 UNI 5931 10 5 35 Screw M8X25 UNI 5931 20 14 36 Screw M6X35 UNI 5931 10 5 137 Screw M6X20 UNI 5931 10 5 Tab 9 132 ...

Page 158: ...t lb 9 Locking nut M12X1 25 35 25 11 M12X1 25 balancing piston guide 35 25 27 Screw M10X40 UNI 5737 45 33 33 Nut M12X1 25 UNI 5589 35 25 67 Nut M12 UNI 5588 80 59 81 Screw M8X16 UNI 5931 20 14 87 Screw M6X16 UNI 5931 10 7 Tab 9 133 HB 97 DN 6 Pos Description Torque nm Torque ft lb 9 Locking nut M24X1 5 110 81 11 M18X1 5 balancing piston guide 110 81 27 Screw M14X50 UNI 5737 115 84 33 Nut M18X1 5 U...

Page 159: ...3 Nut M18X1 5 UNI 5589 110 81 67 Nut M16 UNI 5588 200 147 81 Screw M8X20 UNI 5931 20 14 86 Screw M6X25 UNI 5931 10 7 89 Screw M6X16 UNI 5931 10 7 Tab 9 135 HB 97 DN 10 Pos Description Torque nm Torque ft lb 9 Locking nut M30X1 5 150 110 11 M22X1 5 balancing piston guide 150 110 27 Screw M20X70 UNI 5931 250 184 33 Nut M20X1 5 UNI 5589 150 110 67 Nut M16 UNI 5588 200 147 81 Screw M8X20 UNI 5931 20 1...

Page 160: ...warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 MOD 102M 102MH MOD 103M 103MH MOD 101M 101MH 9 4 1 9 TIGHTENING TORQUES PRESSURE SWITCHES MOD 100 Fig 9 62 Tightening torques pressure switches mod 100 ...

Page 161: ...6 UNI 5931 5 3 Tab 9 137 MOD 102M 102MH Pos Description Torque nm Torque ft lb 10 Screw M4X10 UNI 5931 3 2 11 Screw M5X10 UNI 5933 5 3 20 Screw M6X16 UNI 5931 10 7 21 Nut M6 UNI 5588 10 7 22 Screw M5X15 UNI 8112 5 3 42 Screw M6X25 UNI 5931 16 11 47 Nut M20X1 8 5 48 Screw M5X16 UNI 5931 5 3 Tab 9 138 MOD 103M 103MH Pos Description Torque nm Torque ft lb 10 Screw M4X10 UNI 5931 3 2 11 Screw M5X10 UN...

Page 162: ...REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 10 TIGHTENING TORQUES FOR HP2 2 BYPASS DEVICE 14 15 Fig 9 63 Tightening torques for HP2 2 bypass device HP2 2 Pos Description Torque Nm Torque ft lb 14 Screw M8X20 UNI 5931 16 11 15 Screw M8X45 UNI 5931 16 11 Tab 9 140 ...

Page 163: ...EGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 EN 9 4 1 11 TIGHTENING TORQUES FOR LAMINATION VALVE AR100 4 2 Fig 9 64 Tightening torques for lamination valve AR100 LAMINATION VALVE AR100 Pos Description Torque Nm Torque ft lb 2 Cap M20X1 5 20 14 4 Screw M8 4 2 Tab 9 141 ...

Page 164: ...AL CHECKS REV 00 9 4 1 12 TIGHTENING TORQUES FOR R44 SS REGULATOR 24 1 24 26 2 25 Fig 9 65 Tightening torques for R44 SS regulator R44 SS Pos Description Torque Nm Torque ft lb 2 Nut M16X1 25 18 24 Screw M8X110 UNI 5931 16 11 24 1 Screw M8X70 UNI 5931 16 11 25 Nut M16X1 5 25 18 26 Nut M18X1 5 20 14 Tab 9 142 ...

Page 165: ...e size for which maintenance is being carried out Proceed as in tab 9 144 Step Action 1 Unscrew the conical seal fittings to disconnect all power outlets and sensing lines for the pilot and regulator 2 Loosen the nut securing the pilot support bracket to the regulator 3 Remove the 200 A series pilot installed with the R31 A pre regulator from the regulator NOTICE For replacement and pilot disconne...

Page 166: ...intenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 3 REGULATOR MAINTENANCE PROCEDURE REVAL 182 9 4 3 1 REGULATOR REVAL 182 DN 1 2 109 Fig 9 67 Regulator REVAL 182 DN 1 2 ...

Page 167: ...lug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 8 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 9 Clean the plug 5 and the plug guide 2 lubricating with silicone grease 10 U...

Page 168: ...168 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 109 Regulator REVAL 182 DN 1 2 ...

Page 169: ...with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 25 Position the balancing piston 15 in the balancing stem guide 11 26 Take out the diaphragm unit 10 12 13 21 29 45 50 62 27 Undo and remove the screws 29 from the lower diaphragm support 10 28 Remove diaphragm support 10 and upper diaphragm protection disc 12 29 Remove the diap...

Page 170: ...170 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 109 Regulator REVAL 182 DN 1 2 ...

Page 171: ...th a cleaning solution 40 Remove the stem guide 20 the stem 6 and the key 28 41 Remove and replace the I DWR ring 51 from the stem guide 20 NOTICE Before inserting the replacement I DWR ring clean the retaining slots with a cleaning solution 42 Remove the O rings 36 from the stem guide 20 and replace them taking care to lubricate them with syn thetic grease NOTICE Before inserting the replacement ...

Page 172: ...172 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 109 Regulator REVAL 182 DN 1 2 ...

Page 173: ... the holes in the lower cover 3 50 Position the upper cover 3 taking care to position the indicator stem 18 in the space between the upper diaphragm support 13 and the balance stem guide 11 NOTICE The indicator rod 18 must not obstruct the transfer hole 21 on the upper diaphragm sup port 13 The flange travel indicator must be visible and perpendicular to the gas flow 51 Insert and fasten the screw...

Page 174: ...174 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 109 Regulator REVAL 182 DN 1 2 ...

Page 175: ...2 slam shut valve is fitted the conical seat replaces the reinforced gasket 109 62 Insert and fix the screws 30 according to the following tightening torque DN 1 tab 9 91 DN 2 tab 9 92 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 63 Fit the blind flange 4 NOTICE During this step support the blind flange 4 64 Insert and fix the screws of the lower section 31 accordi...

Page 176: ...UNCTIONAL CHECKS REV 00 MAINTENANCE OF THE REGULATOR CAP Lacking the built in slam shut valve SA the plug 140 fig 9 68 will close the housing bore for the pressure switch SA see par 9 4 10 The regulator cap is in a position perpendicular to the gas flow 140 142 141 Fig 9 68 Detail of the regulator cap ...

Page 177: ... O ring 142 by lubricating it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 4 Insert cap 140 5 Insert and fix the screws 141 according to the following tightening torque DN 1 tab 9 91 DN 2 tab 9 92 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Tab 9 145 WARNING Ensure that all parts have been ...

Page 178: ...8 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 3 2 REGULATOR REVAL 182 DN 2 1 2 4 Fig 9 69 Regulator REVAL 182 DN 2 1 2 to 4 ...

Page 179: ...CE Take care not to damage the plug profile 5 6 Unscrew the lock nut 9 7 Remove the spring support 34 and the spring 54 8 Remove and replace the I DWR rings 52 from the plug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 9 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTIC...

Page 180: ...180 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Regulator REVAL 182 DN 2 1 2 to 4 ...

Page 181: ... balancing stem guide 11 25 Remove and replace the O rings 36 43 from the balancing stem guide 11 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 26 Position the balancing piston 15 in the balancing stem guide 11 27 Take out the diaphragm unit 10 12 13 21 29 45 50 62 28 Unscrew and remove the screws 29 from t...

Page 182: ...182 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Regulator REVAL 182 DN 2 1 2 to 4 ...

Page 183: ...taining slots with a cleaning solution 41 Remove the spacer 19 42 Remove the stem guide 20 the stem 6 and the key 28 43 Remove and replace the I DWR ring 51 from the stem guide 20 NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 44 Remove the O rings 36 from the stem guide 20 and replace them taking care to lubricate them with syn thetic grease NOTI...

Page 184: ...184 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Regulator REVAL 182 DN 2 1 2 to 4 ...

Page 185: ... DN 3 tab 9 94 DN 4 tab 9 95 NOTICE Hold the diaphragm assembly in place by positioning the spanner in the holes in the upper dia phragm support 13 53 Position the upper cover 3 taking care to position the indicator stem 18 in the space between the upper diaphragm support 13 and the balance stem guide 11 NOTICE The indicator rod 18 must not obstruct the transfer hole 21 on the upper diaphragm sup ...

Page 186: ...186 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Regulator REVAL 182 DN 2 1 2 to 4 ...

Page 187: ...einforced gasket 63 64 Remove the O ring 93 from the reinforced gasket 7 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 65 Clean the upper and lower supporting surfaces of the body the flanges the contact surfaces between the rein forced gasket 7 and the regulator body 1 and between ...

Page 188: ...188 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Regulator REVAL 182 DN 2 1 2 to 4 ...

Page 189: ...indicator slide 16 visible and on axis with the gas flow direction NOTICE Take care not to damage the plug profile 5 71 Insert and fix the screws of the upper section 31 according to the following tightening torque DN 2 1 2 tab 9 93 DN 3 tab 9 94 DN 4 tab 9 95 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Tab 9 146 WARNING Ensure that all parts have been fitted corr...

Page 190: ...UNCTIONAL CHECKS REV 00 MAINTENANCE OF THE REGULATOR CAP Lacking the built in slam shut valve SA the plug 140 fig 9 70 will close the housing bore for the pressure switch SA see par 9 4 10 The regulator cap is in a position perpendicular to the gas flow 140 142 141 Fig 9 70 Detail of the regulator cap ...

Page 191: ...42 by lubricating it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 4 Insert cap 140 5 Insert and fix the screws 141 according to the following tightening torque DN 2 1 2 tab 9 93 DN 3 tab 9 94 DN 4 tab 9 95 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Tab 9 147 WARNING Ensure that all parts h...

Page 192: ...REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 3 3 REGULATOR REVAL 182 6 TO 8 130 163 131 Fig 9 71 Regulator REVAL 182 DN 6 to 8 ...

Page 193: ...130 8 Remove the spring support 34 and the spring 54 9 Remove and replace the I DWR rings 52 from the plug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 10 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slot...

Page 194: ...194 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 163 131 Regulator REVAL 182 DN 6 to 8 ...

Page 195: ...er in the holes in the upper dia phragm support 13 26 Remove the balancing piston 15 from the balancing stem guide 11 27 Remove and replace the O rings 36 43 from the balancing stem guide 11 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 28 Position the balancing piston 15 in the balancing stem guide 11 29 T...

Page 196: ...196 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 163 131 Regulator REVAL 182 DN 6 to 8 ...

Page 197: ...e plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 43 Remove the stem guide 20 the stem 6 and the key 28 44 Remove and replace the I DWR ring 51 from the stem guide 20 NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 45 Remo...

Page 198: ...198 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 163 131 Regulator REVAL 182 DN 6 to 8 ...

Page 199: ... according to the tightening torque DN 6 tab 9 96 DN 8 tab 9 97 NOTICE During this step hold the diaphragm assembly in place by positioning the spanner in the holes in the upper diaphragm support 13 53 Position the upper cover 3 taking care to position the indicator stem 18 in the space between the upper diaphragm support 13 and the balance stem guide 11 NOTICE The indicator rod 18 must not obstru...

Page 200: ...200 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 163 131 Regulator REVAL 182 DN 6 to 8 ...

Page 201: ...ts 7 63 and O ring 93 NOTICE Take care that the upper seal does not fall off If the SB 82 slam shut valve is fitted the conical seat replaces the reinforced gasket 63 67 Remove the O ring 93 from the reinforced gasket 7 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 68 Clean the uppe...

Page 202: ...202 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 163 131 Regulator REVAL 182 DN 6 to 8 ...

Page 203: ...E Take care not to damage the plug profile 2 74 Insert and fix the screws 31 according to the following tightening torque DN 6 tab 9 96 DN 8 tab 9 97 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 75 Insert the pawl 163 into the indicator rod 18 NOTICE Check that the pawl 163 is in position 0 in relation to the indicator slide 16 76 Insert the indicator slide 16 into...

Page 204: ...VAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 3 4 REGULATOR REVAL 182 DN 10 130 131 109 7 163 63 Fig 9 72 Regulator REVAL 182 DN 10 ...

Page 205: ...ug profile 5 7 Remove the washers 131 and radial bearings 130 8 Remove spring supports 34 and spring 54 9 Remove and replace the I DWR rings 52 from the plug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 10 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before insert...

Page 206: ...206 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 131 109 7 163 63 Regulator REVAL 182 DN 10 ...

Page 207: ...25 Insert the indicator rod 18 into the rod guide 17 26 Unscrew and remove the balancing stem guide 11 NOTICE In this step keep the diaphragm unit still fitting the compass wrench into the holes in the upper diaphragm support 13 27 Remove the balancing piston 15 from the balancing stem guide 11 28 Remove and replace the O rings 36 43 from the balancing stem guide 11 lubricating them with synthetic...

Page 208: ...208 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 131 109 7 163 63 Regulator REVAL 182 DN 10 ...

Page 209: ... according to the cross diagram in paragraph 9 4 2 2 41 Unscrew and remove the screws of the lower part 92 of the lower cover 4 42 Remove the upper cover 4 43 Remove the O ring 95 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 44 Remove the stem guide 20 the ste...

Page 210: ...210 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 131 109 7 163 63 Regulator REVAL 182 DN 10 ...

Page 211: ...the diaphragm unit in place 10 12 13 21 29 45 50 62 53 Insert and secure the balancing stem guide 11 according to the tightening torque DN 10 tab 9 98 NOTICE Hold the diaphragm assembly in place and position the spanner in the holes in the upper dia phragm support 13 54 Position the upper cover 3 taking care to position the indicator stem 18 in the space between the upper diaphragm support 13 and ...

Page 212: ...212 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 131 109 7 163 63 Regulator REVAL 182 DN 10 ...

Page 213: ...rced gasket 7 109 and replace it taking care to lubricate it with syn thetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 68 Clean the upper and lower supporting surfaces of the body the flanges the contact surfaces between the reinforced gasket 7 and the regulator body 1 and between the reinforced gasket 109 and the body 1 69 Position th...

Page 214: ...214 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 130 131 109 7 163 63 Regulator REVAL 182 DN 10 ...

Page 215: ...ording to the cross diagram in paragraph 9 4 2 2 75 Insert the pawl 163 into the rod 18 76 Place the indicator slide 16 in the eyebolt flange 14 NOTICE Check that the pawl 163 is in position 0 in relation to the indicator slide 16 77 Insert and fasten the screws 57 78 Connect the pneumatic connections between the regulator and the respective control unit including down stream pressure ports Tab 9 ...

Page 216: ...216 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 DETAIL DN 10 9 4 4 DB 182 SILENCER MAINTENANCE Fig 9 73 DB 182 Silencer ...

Page 217: ... with a cleaning solution 7 Remove the upper anti oil gasket 73 8 Remove the external basket 78 9 Remove the plating 83 10 Remove the internal silencer 77 11 Remove the O ring 95 from the sleeve 79 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 12 Remove and replace the lower anti oi...

Page 218: ...218 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 DETAIL DN 10 DB 182 Silencer ...

Page 219: ...ing 24 Undo and remove the screws 30 the locking ring 8 and the conical seat 63 NOTICE As an alternative to the conical seat 63 a reinforced gasket may be installed based on the built in accessory 25 Remove the sleeve 79 from the top downwards 26 Remove and replace the O rings 91 97 from the sleeve 79 by lubricating it with synthetic grease NOTICE Before inserting the replacement O ring clean the ...

Page 220: ...220 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 DETAIL DN 10 DB 182 Silencer ...

Page 221: ...rews 31 according to the following tightening torques DN 1 tab 9 99 DN 2 tab 9 100 DN 2 1 2 tab 9 101 DN 3 tab 9 102 DN 4 tab 9 103 DN 6 tab 9 104 DN 8 tab 9 105 DN 10 tab 9 106 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 35 Fit the lower flange 82 together with the tie rods 84 36 NOTICE APPLICABLE TO DN 1 8 ONLY Replace the washers 88 37 Insert and fix the screws...

Page 222: ...222 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 DETAIL DN 10 DB 182 Silencer ...

Page 223: ...cement O ring clean the retaining slots with a cleaning solution 48 Remove and replace the reinforced gasket 76 NOTICE Before inserting the replacement reinforced gasket clean the retaining grooves with a cleaning solution 49 Position the locking ring nut 98 50 Insert and fasten the screws 99 51 Insert and secure the grid assembly 76 93 98 99 to the sleeve 79 NOTICE To do so use tool ref O tab 7 6...

Page 224: ...se maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 5 PM 182 INCORPORATED MONITOR 9 4 5 1 BUILT IN MONITOR PM 182 DN 1 2 Fig 9 74 Built in monitor PM 182 DN 1 2 ...

Page 225: ... the spring 54 together with the spacer 22 7 Remove and replace the I DWR rings 52 from the plug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 8 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cl...

Page 226: ...226 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 DN 1 2 ...

Page 227: ... 23 Remove the balancing piston 15 from the balancing stem guide 11 24 Remove and replace the O rings 36 43 from the balancing stem guide 11 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 25 Place the balancing piston 15 in the piston guide 11 26 Take out the diaphragm unit 10 12 13 21 29 45 50 62 27 Unscrew...

Page 228: ...228 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 DN 1 2 ...

Page 229: ...the stem 6 and the key 28 40 Remove and replace the I DWR ring 51 from the stem guide 20 NOTICE Before inserting the replacement I DWR ring clean the retaining slots with a cleaning solution 41 Remove the O ring 36 from the stem guide 20 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution...

Page 230: ...230 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 DN 1 2 ...

Page 231: ... the holes in the upper diaphragm support 13 The holes in the diaphragm must match the holes in the lower cover 3 50 Position the upper cover 3 taking care to position the indicator stem 18 in the space between the upper diaphragm support 13 and the balance stem guide 11 NOTICE The indicator rod 18 must not obstruct the pouring hole 21 on the upper diaphragm sup port 13 The flange travel indicator...

Page 232: ...232 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 DN 1 2 ...

Page 233: ... 58 Insert and fix the screws 30 according to the following tightening torque DN 1 tab 9 107 DN 2 tab 9 108 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 59 Position the control head inside the regulator body 1 with the indicator slide 16 visible and on axis with the gas flow direction NOTICE Take care not to damage the plug profile 5 60 Insert and fix the screws 31...

Page 234: ...EVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 5 2 BUILT IN MONITOR PM 182 DN 2 1 2 4 Fig 9 75 Built in monitor PM 182 2 1 2 to 4 ...

Page 235: ...ase the spring NOTICE Take care not to damage the plug profile 5 7 Remove the spring support 34 and the spring 54 8 Remove and replace the I DWR rings 52 from the plug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 9 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Befo...

Page 236: ...236 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 2 1 2 to 4 ...

Page 237: ...dia phragm support 13 24 Remove the balancing piston 15 from the balancing stem guide 11 25 Remove and replace the O rings 36 43 from the balancing stem guide 11 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 26 Position the balancing piston 15 in the balancing stem guide 11 27 Take out the diaphragm unit 10...

Page 238: ...238 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 2 1 2 to 4 ...

Page 239: ... ring 39 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 41 Remove the stem guide 20 the stem 6 and the key 28 42 Remove and replace the I DWR ring 51 from the stem guide 20 NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning ...

Page 240: ...240 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 2 1 2 to 4 ...

Page 241: ...Make sure that the key 28 is in the correct position in the stem 6 51 Insert and secure the balancing stem guide 11 according to the tightening torque DN 2 1 2 tab 9 109 DN 3 tab 9 110 DN 4 tab 9 111 NOTICE Hold the diaphragm assembly in place by positioning the spanner in the holes in the upper dia phragm support 13 52 Position the upper cover 3 taking care to position the indicator stem 18 in th...

Page 242: ...242 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 2 1 2 to 4 ...

Page 243: ...ots with a cleaning solution 60 Position the reinforced gasket 7 and the locking ring 8 61 Insert and fix the screws 30 according to the following tightening torque DN 2 1 2 tab 9 109 DN 3 tab 9 110 DN 4 tab 9 111 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 62 Position the control head inside the regulator body 1 with the indicator slide 16 visible and on axis wit...

Page 244: ...244 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 5 3 BUILT IN MONITOR PM 182 DN 6 8 Fig 9 76 Built in monitor PM 182 6 8 ...

Page 245: ...to damage the plug profile 5 7 Remove the spring support 34 and the spring 54 8 Remove and replace the I DWR rings 52 from the plug guide 2 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 9 Remove the O ring 35 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring ...

Page 246: ...246 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 6 8 ...

Page 247: ...w and remove the balancing stem guide 11 NOTICE Hold the diaphragm assembly in place by positioning the spanner in the holes in the upper dia phragm support 13 26 Remove the balancing piston 15 from the balancing stem guide 11 27 Remove the O rings 36 43 from the eyebolt flange 11 and replace them taking care to lubricate them with synthetic grease NOTICE Before inserting the replacement O rings c...

Page 248: ...248 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 6 8 ...

Page 249: ...g 39 from the plug guide 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 43 Remove the stem guide 20 the stem 6 and the key 28 44 Remove and replace the I DWR ring 51 from the stem guide 20 NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solu...

Page 250: ...250 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 6 8 ...

Page 251: ...ding to the tightening torque DN 6 tab 9 112 DN 8 tab 9 113 NOTICE During this step hold the diaphragm assembly in place by positioning the spanner in the holes in the upper diaphragm support 13 53 Position the upper cover 3 taking care to position the indicator stem 18 in the space between the upper diaphragm support 13 and the balance stem guide 11 NOTICE The indicator rod 18 must not obstruct t...

Page 252: ...252 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in monitor PM 182 6 8 ...

Page 253: ...8 67 Insert and fix the screws 30 according to the following tightening torque DN 6 tab 9 112 DN 8 tab 9 113 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 70 Position the control head inside the regulator body 1 with the indicator slide 16 visible and on axis with the gas flow direction NOTICE Take care not to damage the plug profile 2 71 Insert and fix the screws 3...

Page 254: ... the 201 A pilot proceed as in tab 9 155 see fig 9 77 Step Action 1 Disconnect the sensing lines between the 201 A pilot and the regulator by adjusting the fittings 1 2 3 2 Unscrew and remove the fixing screw to remove the 201 A pilot from the regulator 3 Remove the pipe 20 by adjusting the fittings 4 5 4 Unscrew and remove screw 6 to separate pre regulator R31 A from pilot 201 A 5 Undo and remove...

Page 255: ...t the 204 A pilot proceed as in tab 9 156 see fig 9 78 Step Action 1 Disconnect the sensing lines between the 204 A pilot and the regulator by adjusting the fittings 1 2 3 2 Unscrew and remove the fixing screw to remove the pilot 204 A from the regulator 3 Remove the pipe 20 by adjusting the fittings 4 5 4 Unscrew and remove the screw 6 to separate the R14 A pre regulator from the pilot 204 A 5 Un...

Page 256: ...256 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 6 3 PILOT 201 A Fig 9 79 Pilot 201 A ASSEMBLY C ASSEMBLY B ASSEMBLY A ...

Page 257: ...eration hold the diaphragm support 43 in place 14 Remove and replace the diaphragm 42 15 Position the washer 44 with the conical part facing the diaphragm 16 Insert and fix the nut 46 NOTICE During this operation hold the diaphragm support 43 in place 17 Undo and remove the screws of the upper section 24 18 Remove the flange 12 19 Unscrew and remove the nut 26 20 Remove and replace O ring 26 1 fro...

Page 258: ...258 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pilot 201 A ASSEMBLY C ASSEMBLY B ASSEMBLY A ...

Page 259: ...then the spring 21 36 Fit the upper protection disc 15 37 Fix the nut 2 according to the following tightening torque Pilot 201 A tab 9 114 38 Insert assembly A plug from top to bottom into the valve body 4 NOTICE Take care not to damage the diaphragms 16 during this step Make sure the marking on the lower section of the headframe is parallel to the axis of the hole for inserting the seat 3 into th...

Page 260: ...260 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pilot 201 A ASSEMBLY C ASSEMBLY B ASSEMBLY A ...

Page 261: ...n 24 according to the following tightening torque Pilot 201 A tab 9 114 54 Insert the upper spring guide 7 55 Insert the spring 22 56 Insert the lower spring guide 7 57 Unscrew the cap 8 58 Remove the O ring 11 from the nut 9 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 59 Place th...

Page 262: ...262 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 6 4 PILOT 204 A Fig 9 80 Pilot 204 A ASSEMBLY A ASSEMBLY B ...

Page 263: ...ubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 15 Remove assembly B valve 16 Remove the O rings 28 29 from the valve seat 3 and replace them taking care to lubricate them with syn thetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 17 Remove assembly A pl...

Page 264: ...264 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pilot 204 A ASSEMBLY A ASSEMBLY B ...

Page 265: ...arking on the lower section of the headframe is parallel to the axis of the hole for inserting the seat 3 into the valve body 4 33 Insert assembly B valve into the valve body 4 NOTICE Take care not to damage the O rings 28 29 and the valve seat 3 34 Fix the nut 26 according to the following tightening torque Pilot 204 A tab 9 115 35 Fit the spring 20 36 Fit the cover 1 37 Insert and fix the screws...

Page 266: ...66 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 6 5 PRE REGULATOR R31 A Fig 9 81 Pre regulator R31 A ASSEMBLY A ASSEMBLY B ...

Page 267: ...adjusting the cap 4 11 Take out the plug guide 3 12 Remove the O ring 18 from the plug guide 3 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 13 Remove the plug guide ring 8 14 Remove the O ring 20 from the plug guide 3 and replace it taking care to lubricate it with synthetic grease...

Page 268: ...268 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pre regulator R31 A ASSEMBLY A ASSEMBLY B ...

Page 269: ...cap assembly by adjusting the cap 4 according to the tightening torque R31 A tab 9 116 22 Fit the spring 12 23 Insert assembly A plug into the body 1 NOTICE Before inserting the plug unit lubricate the plug surface with silicone grease 24 Fit the cover 2 25 Insert and fix the screws 15 according to the following tightening torque R31 A tab 9 116 NOTICE Tighten the screws according to the cross dia...

Page 270: ...70 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 6 6 PRE REGULATOR R14 A Fig 9 82 Pre regulator R14 A ASSEMBLY A ASSEMBLY B ...

Page 271: ...e R14 A tab 9 117 11 Unscrew and remove assembly B cap by adjusting the cap 4 12 Take out the plug guide 3 13 Remove the O ring 18 from the plug guide 3 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 14 Remove the plug guide ring 8 15 Remove the O ring 20 from the plug guide 3 and re...

Page 272: ...272 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pre regulator R14 A ASSEMBLY A ASSEMBLY B ...

Page 273: ...ge the O rings 18 19 during this step 22 Fit the spring 12 23 Insert assembly A plug into the body 1 NOTICE Before inserting the plug unit lubricate the plug surface with silicone grease 24 Fit the cover 2 25 Insert and fix the screws 15 according to the following tightening torque R14 A tab 9 117 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Tab 9 159 WARNING Ensur...

Page 274: ... tab 9 161 see fig 9 83 Step Action 1 Insert and fix the screw 7 to the 201 A pilot 2 Insert and fasten the screw 6 to connect the pre regulator R31 A to the pilot 201 A 3 Connect the pipe 20 by adjusting the fittings 4 5 4 Insert and fasten the fastening screw to connect the 201 A pilot to the regulator 5 Connect the sensing lines between the 201 A pilot and the regulator by adjusting the fitting...

Page 275: ... reconnect pilot 204 A proceed as shown in tab 9 162 see fig 9 84 Step Action 1 Insert and fix the screw 7 to the 204 A pilot 2 Insert and fix the screw 6 to connect the R14 A pre regulator to the 204 A pilot 3 Connect the pipe 20 by adjusting the fittings 4 5 4 Insert and fasten the fixing screw to connect the 204 A pilot to the regulator 5 Connect the sensing lines between the 204 A pilot and th...

Page 276: ...276 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 7 V 25 ACCELERATING VALVE MAINTENANCE Fig 9 85 V 25 accelerating valve ...

Page 277: ... remove the valve seat 4 from the body 1 NOTICE During this step take care not to damage the valve seat 4 9 Remove the O ring 14 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 10 Insert and secure the valve seat 4 in the body 1 NOTICE During this step take care not to damage the valv...

Page 278: ...278 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 V 25 accelerating valve ...

Page 279: ...1 in the diaphragm holder 5 26 Position the diaphragm disc 16 27 Position the nut 10 holding the stem 9 in place 28 Insert the diaphragm assembly together with the intermediate flange 2 into the body 1 29 Fit the cover 3 30 Insert the screws 19 together with the nut 18 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 31 Insert the calibration spring 25 32 Position the ...

Page 280: ... warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 8 M A ACCELERATING VALVE MAINTENANCE 1 7 44 10 8 25 12 31 14 22 40 55 17 41 45 9 43 29 11 53 52 33 15 16 27 28 46 Fig 9 86 M A accelerating valve ...

Page 281: ...Before inserting the replacement I DWR ring clean the retaining slots with a cleaning solution 13 Take out the diaphragm plug unit 8 11 12 25 29 31 14 Unscrew and remove the nut 31 15 Remove the diaphragm protection disc 12 16 Remove and replace the diaphragm 25 NOTICE Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 17 Put the diaphragm protection disc...

Page 282: ...82 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 7 44 10 8 25 12 31 14 22 40 55 17 41 45 9 43 29 11 53 52 33 15 16 27 28 46 Accelerating valve M A ...

Page 283: ...TICE Before inserting the diaphragm plug unit lubricate the plug 8 surface with silicone grease 28 Fit the sleeve 15 and the bracket 53 29 Insert and fix the screws 33 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 30 Position the upper spring support 14 together with the spring 22 31 Fit the lower spring support 16 together with the ring 55 32 Fit and secure the cap...

Page 284: ...284 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 9 SA SLAM SHUT VALVE MAINTENANCE Fig 9 87 Slam shut valve SA ...

Page 285: ...port it 11 Remove the flange 109 together with the spring 124 and plug 104 from the regulator body 1 12 Remove the O ring 37 from the flange 109 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 13 Remove the plug 104 and place it on a shockproof surface 14 Remove the spring 124 15 Remo...

Page 286: ...286 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Slam shut valve SA ...

Page 287: ...wing tightening torque DN 1 tab 9 115 DN 2 tab 9 116 DN 2 1 2 tab 9 117 DN 3 tab 9 118 DN 4 tab 9 119 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 22 Insert the spring 124 into the plug 104 23 Place the plug 104 in the flange 109 24 Position the assembly 104 109 124 in the regulator body 1 25 Insert and secure the screws 31 in the flange 109 Tab 9 164 WARNING Ensur...

Page 288: ...intenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 10 MAINTENANCE OF PRESSURE SWITCH MOD SA 9 4 10 1 PRESSURE SWITCH DISCONNECTION MOD SA Fig 9 88 Pressure switch mod SA ...

Page 289: ...SURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 EN To disconnect pressure switches mod SA proceed as in tab 9 166 see fig 9 88 Step Action 1 Remove the lever 116 2 Remove the seeger ring 135 3 Remove the position indicator 120 4 Remove the screws 41 Tab 9 165 ...

Page 290: ...REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 10 2 PRESSURE SWITCH SA 91 SA 92 Fig 9 89 Pressure switch SA 91 SA 92 SA 92 SA 91 ...

Page 291: ...ment O rings clean the retaining slots with a cleaning solution 11 Remove replace the O ring 53 from the sleeve 18 lubricating it with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 12 Remove the U shaped ring 47 from the bush 18 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacem...

Page 292: ...292 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pressure switch SA 91 SA 92 SA 92 SA 91 ...

Page 293: ...on 19 Insert and fasten the screws 42 together with the nuts 46 according to the tightening torque Pressure switch SA 91 tab 9 120 Pressure switch SA 92 tab 9 121 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 20 Insert and fix the cap 24 Tab 9 166 WARNING Ensure that all parts have been fitted correctly ...

Page 294: ...294 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 10 3 PRESSURE SWITCH SA 93 Fig 9 90 Pressure switch SA 93 ...

Page 295: ...ove the flange 15 12 Remove the O ring 50 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 13 Remove the O ring 53 from the bush 18 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning ...

Page 296: ...296 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pressure switch SA 93 ...

Page 297: ...ion 20 Position the diaphragm 16 21 Fit the cover 17 22 Insert and fix the screws 42 according to the following tightening torque Pressure switch SA 93 tab 9 122 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 23 Insert and fix the cap 24 Tab 9 167 WARNING Ensure that all parts have been fitted correctly ...

Page 298: ...298 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 10 4 PRESSURE SWITCH RECONNECTION MOD SA Fig 9 91 Pressure switch mod SA ...

Page 299: ...ct pressure switches mod SA proceed as in tab 9 169 see fig 9 91 Step Action 1 Insert and fix the screws 41 according to the following tightening torques Pressure switch SA 91 tab 9 120 Pressure switch SA 92 tab 9 121 Pressure switch SA 93 tab 9 122 2 Position the indicator 120 3 Fit the seeger ring 135 4 Fit the lever 116 Tab 9 168 ...

Page 300: ...e and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 11 MAINTENANCE BUILT IN SLAM SHUT VALVE SB 82 9 4 11 1 BUILT IN SLAM SHUT VALVE SB 82 DN 1 Fig 9 92 Built in slam shut valve SB 82 DN 1 ...

Page 301: ...th a cleaning solution 8 Undo and remove the screws 3 9 Remove the serrated washers 60 10 Take out the plug unit 11 Remove the spring 47 12 Unscrew and remove the ring nut 18 with the appropriate tool NOTICE Refer to table 7 59 of paragraph 7 1 List of equipment 13 Remove and replace the reinforced gasket 19 14 Fit and fix the ring nut 18 with the appropriate tool NOTICE Refer to table 7 59 of par...

Page 302: ...302 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in slam shut valve SB 82 DN 1 ...

Page 303: ...h 10 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 34 Remove the I DWR ring 25 from the bush 10 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement I DWR ring clean the retaining slots with a cleaning solution 35 Fit the bush 10 N...

Page 304: ...304 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in slam shut valve SB 82 DN 1 ...

Page 305: ...ert and fix the screws 3 according to the following tightening torque DN 1 tab 9 122 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 52 Fit the flange 8 on the body 53 Fix the screws 137 according to the following tightening torque DN 1 tab 9 122 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 54 Put the SB 82 built in slam shut valve in ...

Page 306: ...REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 11 2 SLAM SHUT VALVE SB 82 DN 2 3 Fig 9 93 Built in slam shut valve SB 82 DN 2 3 ...

Page 307: ... to table 7 59 of paragraph 7 1 List of equipment 9 Unscrew and remove the ring nut 1 10 Remove the O ring 40 from the plug 2 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 11 Position and secure the ring nut 1 12 Undo the plug screw 5 13 Remove the washer 26 14 Remove the spring 48 ...

Page 308: ...308 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in slam shut valve SB 82 DN 2 3 ...

Page 309: ...29 Remove the I DWR ring 25 from the bush 10 and replace it taking care to lubricate it with synthetic grease NOTICE Before fitting the replacement I DWR ring clean the retaining slots using a cleaning solution 30 Fit the valve seat 10 taking care not to damage the O ring 41 31 Place the seeger ring 28 in the flange 9 32 Place the stem 6 in the bush 10 NOTICE Lubricate the stem surface with silico...

Page 310: ...310 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in slam shut valve SB 82 DN 2 3 ...

Page 311: ...ad locking glue Tighten the screws according to the cross diagram in paragraph 9 4 2 2 44 Fit the spring 47 45 Fit the plug unit 46 Insert the screws 3 together with the toothed washers 60 NOTICE Before inserting the screw 3 apply thread locking glue 47 Fasten the screws 3 holding down the plug unit to compress the spring 47 in the plug guide 4 48 Put the SB 82 built in slam shut valve in place 49...

Page 312: ... EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 11 3 BUILT IN SLAM SHUT VALVE SB 82 DN 4 8 29 119 22 Fig 9 94 Built in slam shut valve SB 82 DN 4 8 ...

Page 313: ...tool 10 Undo and remove the screws 137 11 Remove the O ring 44 from the plug support 7 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 12 Undo the screws 33 13 Remove the ring nut 1 14 Remove the O ring 40 from the plug 2 and replace it taking care to lubricate it with synthetic greas...

Page 314: ...314 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 29 119 22 Built in slam shut valve SB 82 DN 4 8 ...

Page 315: ...g the replacement O ring clean the retaining slots with a cleaning solution 31 Remove the seeger ring 58 from the cup 15 32 Remove the I DWR ring 25 from the cup 15 and replace it taking care to lubricate it with synthetic grease NOTICE Before fitting the replacement I DWR ring clean the retaining slots using a cleaning solution 33 Place the seeger ring 58 in the cup 15 34 Take out the pressure sw...

Page 316: ...316 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 29 119 22 Built in slam shut valve SB 82 DN 4 8 ...

Page 317: ... 4 tab 9 126 DN 6 tab 9 127 DN 8 tab 9 128 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 47 Fit the pressure switch unit 48 Fit the cup 15 49 Insert and fix the screws 35 according to the following tightening torques DN 4 tab 9 126 DN 6 tab 9 127 DN 8 tab 9 128 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 50 Insert and fix the side s...

Page 318: ...318 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 29 119 22 Built in slam shut valve SB 82 DN 4 8 ...

Page 319: ...t 60 Insert the screws 3 together with the toothed washers 60 NOTICE Before inserting the screw 3 apply thread locking glue 61 Fasten the screws 3 holding down the plug unit to compress the spring 47 in the plug guide 4 62 WARNING During the next steps support the SB 82 slam shut valve so as to prevent any falls 63 Put the SB 82 built in slam shut valve in place 64 Insert and fasten the screws 31 ...

Page 320: ...AL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 11 4 BUILT IN SLAM SHUT VALVE SB 82 DN 10 Fig 9 95 Built in slam shut valve SB 82 DN 10 ...

Page 321: ... 9 Undo and remove the screws 33 10 Separate the plug 2 from the plug sleeve 1 11 Remove the I DWR rings 24 from the plug sleeve 1 and replace them taking care to lubricate them with synthetic grease NOTICE Before fitting the replacement I DWR ring clean the retaining slots using a cleaning solution 12 Unscrew and remove the extension 3 from the stem 6 13 Remove the spring 48 and the spring suppor...

Page 322: ...322 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in slam shut valve SB 82 DN 10 ...

Page 323: ...ricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 32 Remove the O ring 42 from the bush 10 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 33 Fit the valve seat 10 taking care not to damage the O ring 41 3...

Page 324: ...324 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Built in slam shut valve SB 82 DN 10 ...

Page 325: ...ing to the cross diagram in paragraph 9 4 2 2 47 Fit the bush 5 in the plug 2 48 Put the spring 48 and spring support 4 in place 49 Position and screw the extension 3 50 Remove the plug 2 together with the plug sleeve 1 51 Position and secure the nuts 131 together with the washer 32 52 WARNING During the next steps support the SB 82 slam shut valve so as to prevent any falls 53 Put the SB 82 built...

Page 326: ...e and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 13 MAINTENANCE PROCEDURE FOR PRESSURE SWITCHES MOD 100 9 4 13 1 PRESSURE SWITCH MOD 101M 101MH Fig 9 96 Pressure switch Mod 101M 101MH ...

Page 327: ...acement I DWR ring clean the retaining slots with a cleaning solution 7 Undo and remove the screws 42 8 Remove the upper cover 40 9 Remove and replace the diaphragm 43 taking care to lubricate the lanyard with synthetic grease NOTICE Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 10 Unscrew the screw 46 while holding the diaphragm protection disc 44 i...

Page 328: ...328 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Pressure switch Mod 101M 101MH ...

Page 329: ...phragm protection disc 44 in place 24 Fit the diaphragm 43 25 Fit the cover 40 26 Insert and fasten screws 42 according to torque Mod 101M 101MH tab 9 134 27 Completely release the maximum pressure spring 11 by adjusting the ring nut 13 NOTICE For spring calibration please refer to chapter 13 Calibration tables 28 Position the minimum spring 17 by adjusting the ring nut 15 NOTICE Check that it is ...

Page 330: ...EVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 13 2 PRESSURE SWITCH MOD 102M 102MH Mod 102 Fig 9 97 Pressure switch Mod 102M 102MH ...

Page 331: ...ots with a cleaning solution 7 Undo and remove the screws 42 8 Remove the upper cover 40 9 Take out the diaphragm unit 43 44 45 46 47 10 Unscrew the nut 47 11 Remove the diaphragm protection disc 44 12 Remove and replace the diaphragm 43 taking care to lubricate the lanyard with synthetic grease NOTICE Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 13...

Page 332: ...332 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 102 Pressure switch Mod 102M 102MH ...

Page 333: ... and fasten screws 48 according to torque Mod 102M 102MH tab 9 135 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 25 Insert the ring 49 26 Put the diaphragm unit in place 43 44 45 46 47 27 Fit the cover 40 28 Insert and fasten screws 42 according to torque Mod 102M 102MH tab 9 135 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 29 Comple...

Page 334: ...L 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 13 3 PRESSURE SWITCH MOD 103M 103MH Mod 103 103MH Fig 9 98 Pressure switch Mod 103M 103MH ...

Page 335: ... using a cleaning solution 7 Undo and remove the screws 42 8 Remove the upper cover 40 9 Remove and replace the diaphragm 43 taking care to lubricate the lanyard with synthetic grease NOTICE Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 10 Undo and remove the screws 46 11 Remove diaphragm protection disc 44 12 Remove the ring 49 13 Remove the O ring ...

Page 336: ...336 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 103 103MH Pressure switch Mod 103M 103MH ...

Page 337: ...ews 46 according to the following tightening torque Mod 103M 103MH tab 9 136 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Before inserting the screw 46 apply thread locking glue 25 Fit the diaphragm 43 26 Fit the cover 40 27 Insert and fix the screws 42 according to the following tightening torque Mod 103M 103MH tab 9 136 NOTICE Tighten the screws according to the ...

Page 338: ...TOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 14 LINE OFF 2 0 DISCONNECTION BY PASS IMPULSO A VALLE PRESSIONE DI COMANDO 1 9 5 2 7 10 20 21 6 8 12 3 4 11 B A C E D IMPULSO DI MONTE Fig 9 99 LINE OFF 2 0 DOWNSTREAM SENSING ELEMENT CONTROL PRESSURE UPSTREAM SENSING ELEMENT BYPASS ...

Page 339: ... fixing screw to disconnect the LINE OFF 2 0 3 Disconnect the pipe 20 from the fittings 5 6 4 Disconnect the pipe 21 from the fittings 7 8 5 Remove assembly A bypass device HP2 2 and adjust the fitting 9 6 Remove assembly B lamination valve AR100 and adjust the fitting 10 7 Remove assembly D VS FI safety valve by turning the screw 11 8 Remove assembly E valve 3 2 and control pressure switch from a...

Page 340: ...AINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 15 MAINTENANCE SLAM SHUT VALVE INCORPORATED HB 97 35 33 80 71 34 33 30 70 6 36 20 137 27 23 9 88 72 87 86 41 40 73 62 37 69 64 62 68 67 47 17 46 45 59 60 11 74 36 15 81 82 19 63 21 75 28 65 43 94 42 51 Fig 9 100 HB 97 built in slam shut valve ...

Page 341: ...eaning solution 9 Undo and remove the screws 35 NOTICE In this step support the built in SB 97 slam shut valve to prevent any falls 10 Remove the HB 97 built in slam shut valve and fit it vertically with the plug 71 on an anti shock surface 11 Unscrew and remove the nuts 67 together with the washers 68 12 Remove the flange 74 NOTICE Check that the vent 94 is not clogged by dirt 13 Remove the O rin...

Page 342: ...ions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 35 33 80 71 34 33 30 70 6 36 20 137 27 23 9 88 72 87 86 41 40 73 62 37 69 64 62 68 67 47 17 46 45 59 60 11 74 36 15 81 82 19 63 21 75 28 65 43 94 42 51 HB 97 built in slam shut valve ...

Page 343: ...the balancing piston guide 11 25 Remove the balancing piston 15 from the balancing piston guide 11 26 Remove the O rings 36 43 from the balancing piston guide 11 and replace them taking care to lubricate them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 27 Fit the balancing piston 15 from the balancing piston guide 11 28 T...

Page 344: ...ions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 35 33 80 71 34 33 30 70 6 36 20 137 27 23 9 88 72 87 86 41 40 73 62 37 69 64 62 68 67 47 17 46 45 59 60 11 74 36 15 81 82 19 63 21 75 28 65 43 94 42 51 HB 97 built in slam shut valve ...

Page 345: ... rings clean the retaining slots with a cleaning solution 40 Remove the O rings 40 41 from the stem guide 20 and replace them taking care to lubricate them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 41 Remove the O ring 42 from the stem 6 and replace it taking care to lubricate it with synthetic grease NOTICE Before inse...

Page 346: ...ions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 35 33 80 71 34 33 30 70 6 36 20 137 27 23 9 88 72 87 86 41 40 73 62 37 69 64 62 68 67 47 17 46 45 59 60 11 74 36 15 81 82 19 63 21 75 28 65 43 94 42 51 HB 97 built in slam shut valve ...

Page 347: ...ole with the plug guide hole 70 51 Insert and fix the screws 27 together with the washers 137 according to the following tightening torques DN 4 tab 9 130 DN 6 tab 9 131 DN 8 tab 9 132 DN 10 tab 9 133 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 52 APPLICABLE TO DN 6 10 ONLY Insert the spacer 19 53 Insert the nut 69 NOTICE Make sure that the key 28 is present and c...

Page 348: ...ions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 35 33 80 71 34 33 30 70 6 36 20 137 27 23 9 88 72 87 86 41 40 73 62 37 69 64 62 68 67 47 17 46 45 59 60 11 74 36 15 81 82 19 63 21 75 28 65 43 94 42 51 HB 97 built in slam shut valve ...

Page 349: ...the flow and visible in the in line installation 62 Insert and fasten the nuts 67 according to the tightening torques DN 4 tab 9 130 DN 6 tab 9 131 DN 8 tab 9 132 DN 10 tab 9 133 63 Remove the O ring 37 from the flange 70 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 64 Put the HB 9...

Page 350: ...ions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 35 33 80 71 34 33 30 70 6 36 20 137 27 23 9 88 72 87 86 41 40 73 62 37 69 64 62 68 67 47 17 46 45 59 60 11 74 36 15 81 82 19 63 21 75 28 65 43 94 42 51 HB 97 built in slam shut valve ...

Page 351: ... following tightening torques DN 4 tab 9 130 DN 6 tab 9 131 DN 8 tab 9 132 DN 10 tab 9 133 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 70 Fit and set the indicator washer 59 to 0 71 Insert and fix the screws 60 72 NOTICE To reconnect the LINE OFF 2 0 device please refer to section 9 5 Tab 9 177 WARNING Ensure that all parts have been fitted correctly ...

Page 352: ...ning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 16 LINE OFF 2 0 MAINTENANCE PROCEDURE 9 4 16 1 HP2 2 BYPASS DEVICE 9 8 14 3 11 6 1 13 4 2 15 20 22 23 20 21 12 22 24 20 21 Fig 9 101 HP2 2 bypass device ...

Page 353: ...ots with a cleaning solution 10 Undo and remove the screws 6 NOTICE Attention do not to ruin the seat profile during this step 11 Remove the O ring 21 from the seat 6 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 12 Undo and remove the screws 14 13 Remove the flange 3 14 Remove the ...

Page 354: ... REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 SECT A 9 8 14 3 11 6 1 13 4 2 15 20 22 23 20 21 12 22 24 20 21 HP2 2 bypass device ...

Page 355: ... the cover 2 21 Screw the stem 8 into the plug 12 NOTICE Before fitting the stem 8 apply thread locking glue 22 Fit the spring 13 23 Fit the plug 12 together with the stem 8 into the bush 4 24 Fit the cover 2 together with the bush 4 25 Insert and fix the screws 15 according to the following tightening torque HP2 2 tab 9 137 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4...

Page 356: ...2 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 16 2 AR100 LAMINATION VALVE A A SEZ A A 97 96 96 2 5 1 4 7 3 7 6 Fig 9 102 AR100 lamination valve ...

Page 357: ...replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 7 Unscrew and remove the cap 2 8 Remove the O rings 6 7 from the cap 2 and replace them taking care to lubricate them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 9 ...

Page 358: ...00 9 4 16 3 PRESSURE REGULATOR R44 SS 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Fig 9 103 Pressure regulator R44 SS ASSEMBLY A ASSEMBLY B ...

Page 359: ...sleeve 6 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 15 Remove the O ring 35 from the sleeve 6 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 16 Remove the spacer 4 ...

Page 360: ... FUNCTIONAL CHECKS REV 00 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Pressure regulator R44 SS ASSEMBLY A ASSEMBLY B ...

Page 361: ...the surfaces 34 Remove the O ring 50 from the valve seat 38 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 35 Remove the bush 41 36 Remove the balancing piston 42 37 Take out the piston guide 40 38 Remove the O ring 51 from the piston guide 40 and replace it taking care to lubricate ...

Page 362: ... FUNCTIONAL CHECKS REV 00 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Pressure regulator R44 SS ASSEMBLY A ASSEMBLY B ...

Page 363: ... Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 53 Fit the lower protection disc 15 54 Insert and fix the screws 25 according to the following tightening torque R44 SS tab 9 139 55 Fit the upper protection disc 15 56 Fit the plug 17 57 Fit the spring 21 58 Insert and fix the pilot nut 2 according to the following tightening torque R44 SS tab 9 139 59 ...

Page 364: ... FUNCTIONAL CHECKS REV 00 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Pressure regulator R44 SS ASSEMBLY A ASSEMBLY B ...

Page 365: ...lter 68 67 Position and secure the nut 13 68 Fit the piston 59 into the spacer 4 69 Fit the sleeve 6 70 Put the bracket 14 in place 71 Insert and fix the screws 24 according to the following tightening torque R44 SS tab 9 139 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 72 Insert the spring 23 together with the spring supports 7 NOTICE Make sure that the piston pin...

Page 366: ...Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 16 4 SAFETY VALVE VS FI FOR LINE OFF 2 0 8 1 3 2 4 9 5 6 7 8 Fig 9 104 Safety valve VS FI for LINE OFF 2 0 ...

Page 367: ...g nut 5 5 Unscrew and remove the cap 6 6 Remove the O ring 9 from the ring nut 5 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 7 Remove the spring 4 8 Remove and replace the plug 3 9 Insert the plug 3 and the spring 4 10 Insert and screw in the cap 6 11 Fit the vent cap 7 12 Insert ...

Page 368: ...ons MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 16 6 VALVE 3 2 10 122 119 23 47 13 16 48 17 15 14 48 3 4 19 18 24 21 139 9 8 5 6 7 2 1 A A B B 40 41 42 43 44 11 12 45 46 1 46 2 46 3 Fig 9 105 Valve 3 2 DETAIL C SECT A A SECT B B ...

Page 369: ...slots with a cleaning solution 11 Remove and replace the gasket 16 lubricating it with synthetic grease NOTICE Orient the lip of the seal 16 towards the cover 15 12 Remove the intermediate flange 13 13 Remove the O ring 48 from the intermediate flange 13 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a ...

Page 370: ...rning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 10 122 119 23 47 13 16 48 17 15 14 48 3 4 19 18 24 21 139 9 8 5 6 7 2 1 A A B B 40 41 42 43 44 11 12 45 46 1 46 2 46 3 Valve 3 2 SECT A A SECT B B DETAIL C ...

Page 371: ...6 1 46 2 46 3 and the perforated bushings 8 9 into the valve body 3 30 Pull out the equipment G 31 Insert and screw the stem assembly 5 6 7 8 9 10 32 Remove the O ring 43 from the valve bracket 1 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 33 Turn the device upside down 34 Undo an...

Page 372: ...rning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 10 122 119 23 47 13 16 48 17 15 14 48 3 4 19 18 24 21 139 9 8 5 6 7 2 1 A A B B 40 41 42 43 44 11 12 45 46 1 46 2 46 3 Valve 3 2 SECT A A SECT B B DETAIL C ...

Page 373: ...ody 3 must be centred with the centring pin 2 48 Fasten the screws 24 of the valve body 3 49 Fasten the screws 24 of the valve cover 4 50 Fit the lever 18 51 Insert and fix the screws 19 52 Insert the flange 15 into the cylinder 14 53 Insert the gasket 16 into the cylinder 14 with the flat side facing upwards 54 Insert the flange 13 into the cylinder 14 55 Insert the screws 23 56 Fit the quick dis...

Page 374: ...LATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 5 LINE OFF 2 0 RECONNECTION BY PASS IMPULSO A VALLE PRESSIONE DI COMANDO 1 9 5 2 7 10 20 21 6 8 12 3 4 11 B A C E D IMPULSO DI MONTE Fig 9 106 LINE OFF 2 0 DOWNSTREAM SENSING ELEMENT CONTROL PRESSURE UPSTREAM SENSING ELEMENT BYPASS ...

Page 375: ...mbly D VS FI safety valve together with the screw 11 3 Remove assembly B lamination valve AR100 together with the fitting 10 4 Remove assembly A bypass device HP2 2 together with the fitting 9 5 Reconnect the pipe 21 together with the fittings 7 8 6 Reconnect the pipe 20 together with the fittings 5 6 7 Insert and tighten the fixing screw to put the LINE OFF 2 0 in place 8 Reconnect the pipes toge...

Page 376: ...376 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 ...

Page 377: ... out by qualified personnel trained on workplace safety also based on the regulations in force in the place of installation of the work equipment qualified and authorised to carry out activities related to the equipment WARNING PIETRO FIORENTINI S p A shall not be held liable for any damage to people and property due to services other than those described performed according to methods other than ...

Page 378: ...e risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions please refer to the regulations in force in the country of installation any information provided by the Safety Manager at the installation facility Equipment required Refer to chapter 7 Equipment for commissioning maintenance Tab 10 184 10 3 TROUBLES...

Page 379: ... and replace if neces sary I DWR 52 frictions Lubricate and replace if neces sary I DWR 51 friction Lubricate and replace if neces sary Breakage of the diaphragm 50 Replace SG out of class due to dirty or worn reinforced gasket 7 Clean and replace if needed PRE REGULATOR R31 A Reinforced gasket 9 dirty or damaged Clean and replace if needed Plug guide ring 8 worn Replace 201 A SERIES PILOT Plug 17...

Page 380: ...d gasket 8 dirty or damaged Clean and replace if needed O ring 35 not sealing Clean and replace if needed Balancing piston O ring 36 not sealing Clean and replace if needed O ring seal 42 not sealing Clean and replace if needed O ring 43 not sealing Clean and replace if needed P R E R E G U L A T O R R31 A O ring 18 not sealing Clean and replace if needed O ring 20 not sealing Clean and replace if...

Page 381: ...ng 35 dam aged Replace Stem guide O ring 36 frictions Lubricate and replace if neces sary I DWR 52 frictions Lubricate and replace if neces sary I DWR 51 friction Lubricate and replace if neces sary Spring 54 collapsed Replace P R E R E G U L A T O R R31 A Plug 5 damaged Replace 201 A SERIES PILOT Plug 17 damaged Replace Assembly of diaphragm holder 16 and plug 17 locked in open position Check and...

Page 382: ...et temperature Diaphragm 50 damaged Replace Stem guide 20 loose Tighten P R E R E G U L A T O R R31 A Diaphragm 10 damaged Replace 201 A SERIES PILOT Plug 17 damaged Replace Diaphragm holder assembly 16 and plug 17 locked in shut off position Check and clean if necessary Downstream sensing line ob structed Clean P R E R E G U L A T O R R14 A Filter 13 clogged Replace Reinforced gasket 9 damaged Re...

Page 383: ...4 2 TROUBLESHOOTING OF THE DB 182 SILENCER Failure Device Possible causes Service Increase in noise DB 182 SILENCER Breakage of the external basket 64 Replace No sealing Zero flow rate DB 182 SILENCER O ring 39 not sealing Clean and replace if needed O ring 84 not sealing Clean and replace if needed Tab 10 186 ...

Page 384: ...seat 3 Worn diaphragms 16 Replace Spring 22 collapsed or out of level Reposition and replace if necessary AC out of class due to unsuitable spring 22 Replace SG out of class due to dirty or worn plug 17 Clean and replace if needed PM 182 MONITOR Reinforced gasket 8 dirty or damaged Clean and replace if needed O ring 35 friction Lubricate and replace if necessary Stem guide O ring 36 frictions Lubr...

Page 385: ...needed O ring 20 not sealing Clean and replace if needed Diaphragm 10 worn Replace 204 A SERIES PILOTS Upper diaphragm 16 worn Replace Dirty or worn plug 17 Clean and replace if needed PM 182 MONITOR Reinforced gasket 8 dirty or damaged Clean and replace if needed No sealing of the O ring 35 Clean and replace if needed Balancing piston O ring 36 not sealing Clean and replace if needed O ring 42 no...

Page 386: ...ne obstructed Clean PM 182 MONITOR Reinforced gasket 8 dam aged Replace Ice between reinforced gasket 8 and plug 71 Increase the regulator gas inlet temperature Soiling between reinforced gasket 8 and plug 71 Clean and check gas filtration Plug 71 locked Clean and check the movements Control element assembly tightening defective Tighten properly Transfer hole clogged Clean Plug guide O ring 35 dam...

Page 387: ...aphragms 16 damaged Replace Diaphragm holder 16 and plug 17 assembly locked in open position Check and clean if neces sary Valve seat 3 clogged Clean Spring 22 collapsed Replace PM 182 MONITOR No upstream pressure Check line filter cartridges for clogging Plug 71 locked Clean and check the movements Dirty O ring 35 Clean and replace if needed Stem guide O ring 36 frictions Lubricate and replace if...

Page 388: ...nuts Downstream pressure is not consistent with minimum and or maximum slam shut device setting Adjust the downstream pressure Levers broken or chipped Replace pressure switch Diaphragm breakage 16 if min spring is installed Replace Manual release button 6 locked Clean and lubricate Failure to provide service SLAM SHUT VALVE SA Plug 151 locked in opening Clean and lubricate I DWR 175 dirty or dama...

Page 389: ...S MOD 100 Springs 11 17 collapsed Replace Springs 11 17 out of level Reposition Impossible to reset SB 82 BUILT IN SLAM SHUT VALVE Incorrect maximum and or minimum spring setting Carry out the calibration again by adjusting the ring nuts The downstream pressure is not consistent with the minimum and or maximum slam shut device setting Adjust the downstream pressure Levers broken or chipped Change ...

Page 390: ... DN 4 8 O ring 40 not sealing Clean and replace if needed Plug pad 19 not sealing Clean and replace if needed O ring 44 not sealing Clean and replace if needed Conical seat 8 damaged Replace O ring 39 not sealing Clean and replace if needed SLAM SHUT VALVE SB 82 BUILT IN SLAM SHUT VALVE DN 10 O ring 42 not sealing Clean and replace if needed Reinforced gasket 8 not sealing Clean and replace if nee...

Page 391: ...ce Springs 11 17 out of level Reposition Impossible to reset SLAM SHUT VALVE HB 97 BUILT IN SLAM SHUT VALVE Stem 6 locked due to friction Clean and lubricate Stem 6 locked in shut off position Clean and lubricate Plug 71 locked due to friction Clean and lubricate U shaped ring 63 damaged Replace I DWR ring 64 damaged Replace PRESSURE SWITCHES MOD 100 Incorrect maximum and or minimum spring setting...

Page 392: ... ring 35 Clean and replace if needed Balancing piston 42 locked Clean and lubricate O ring 62 not sealing Clean and replace if needed SAFETY VALVE VS FI No sealing Check and clean if neces sary VALVE 3 2 Outer O rings 46 not sealing Clean and replace if needed O ring 47 not sealing Clean and replace if needed O ring 48 not sealing Clean and replace if needed Pad 16 dirty or damaged Clean and repla...

Page 393: ...ILT IN SLAM SHUT VALVE O ring 40 not sealing Clean and replace if needed O ring 36 not sealing Clean and replace if needed O ring 39 not sealing Clean and replace if needed No sealing of the U ring 63 Clean and replace if needed O ring 43 not sealing Clean and replace if needed Upper O ring 62 not sealing Clean and replace if needed O ring 42 not sealing Clean and replace if needed PRESSURE REGULA...

Page 394: ...d gasket 8 dirty or damaged Clean and replace if needed O ring 39 not sealing Clean and replace if needed Plug profile 71 damaged Replace O ring 88 not sealing Clean and replace if needed O ring 87 not sealing Clean and replace if needed BYPASS DEVICE HP2 2 O ring 21 not sealing Clean and replace if needed Damaged seat profile 6 Replace Pad 12 dirty or damaged Clean and replace if needed O ring 24...

Page 395: ... risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions please refer to the regulations in force in the country of installation any information provided by the Safety Manager at the installation facility Equipment required Refer to chapter 7 Equipment for commissioning maintenance Tab 11 191 11 3 UNINSTALL...

Page 396: ...recycling through separate collection 3 Send the materials obtained in Step 2 to a specialised company Tab 11 192 The equipment in any configuration consists of the following materials Material Disposal recycling indications Plastic It must be dismantled and disposed of separately Lubricants Oils They must be collected and delivered to the appropriate specialised and authorised collection and disp...

Page 397: ... spare parts are used PIETRO FIORENTINI S p A their declared performance cannot be guaranteed It is recommended to use PIETRO FIORENTINI S p A original spare parts PIETRO FIORENTINI S p A shall not be held liable for any damage caused by using non original parts 12 2 HOW TO REQUEST SPARE PARTS NOTICE For specific information please refer to the sales network of PIETRO FIORENTINI S p A ...

Page 398: ...398 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR RECOMMENDED SPARE PARTS REV 00 ...

Page 399: ...gth mm De External Diameter mm Min Max pressure bar Tab 13 194 Pilot 204 A Pos Spring item code Spring colour d Lo De Min Max 1 2701260 White 3 5 60 35 0 2 1 2 2701530 Yellow 4 1 001 2 3 2702070 Orange 5 2 001 6 4 2702450 Red 6 6 001 12 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 195 Pre regulator R31 A Pos Spring item code Spring colour d Lo De Min M...

Page 400: ...Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 198 Mod SA 91 Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700338 White 1 3 40 15 0 01 0 025 2 2700377 Yellow 1 5 0 026 0 045 3 2700464 Orange 1 7 0 046 0 095 4 2700513 Red 2 0 096 0 125 5 2700713 Green 2 3 0 126 0 2 6 2700750 Black 2 5 0 201 0 5 7 2700985 Brown 3 0 501 0 9 d Wire Diamete...

Page 401: ...essure bar Tab 13 201 Mod SA 93 Max pressure Pos Spring item code Spring colour d Lo De Min Max 1 2701530 Yellow 4 60 35 3 4 3 2 2701790 Yellow black 4 5 4 301 7 3 2702070 Orange 5 7 001 8 5 4 2702280 White red 5 5 8 501 13 3 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 202 Mod SA 93 Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 270...

Page 402: ...in Max 1 2700338 White 1 3 40 15 0 01 0 022 2 2700377 Yellow 1 5 0 023 0 04 3 2700464 Orange 1 7 0 041 0 1 4 2700513 Red 2 0 101 0 15 5 2700713 Green 2 5 0 151 0 26 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 205 Mod 102M 102MH Max pressure Pos Spring item code Spring colour d Lo De Min Max 1 2701260 White 3 5 60 35 0 2 0 8 2 2701530 Yellow 4 0 801 1 ...

Page 403: ...2280 White red 5 5 7 501 15 4 2702454 Fuchsia 6 15 001 22 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 209 Mod 103M Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700464 Orange 1 7 40 15 0 2 0 5 2 2700513 Red 2 0 501 0 8 3 2700713 Green 2 3 0 801 1 7 4 2700750 Black 2 5 1 701 4 5 2700985 Brown 3 4 001 8 d Wire Diameter mm Lo Spring ...

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PIETRO FIORENTINI REVAL 182, Use And Maintenance Instructions

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