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PIETRO FIORENTINI ASX 176, Translation Of Original Instructions

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175 

ASX 176

Use, maintenance and warning instructions

HIGH PRESSURE REGULATOR 

|

 MAINTENANCE AND FUNCTIONAL CHECKS 

|

 REV. 00 

EN

Step Action

48

Insert and fasten the screws (34.1) in the two threaded holes of the downstream cover (3) to compress the 
spring (54), and hold the upstream mouthpiece (1) and cover (2) assembly parallel to the downstream cover (3), 
according to the tightening torque:
•  DN 2”: tab. 9.75;
•  DN 3”: tab. 9.76;
•  DN 4”: tab. 9.77;
•  DN 6”: tab. 9.78.

 NOTICE!

Take care not to tilt the top cover (2) when fastening the screws (34.1).

49

Place the downstream cover (3) in position with the upstream cover (2).

 NOTICE!

Ensure that the diaphragm lanyard (50) remains in place.

50

Insert and fasten the remaining screws (34) and screw (37) together with the washers (60) according to the 
tightening torque:
•  DN 2”: tab. 9.75;
•  DN 3”: tab. 9.76;
•  DN 4”: tab. 9.77;
•  DN 6”: tab. 9.78.

 NOTICE!

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

51

Rotate the regulator, resting the downstream mouthpiece (4) on a shockproof surface.

52

Remove and replace the O-rings (42, 44, 47) from the indicator rod guide (12), lubricating them with synthetic 
grease.

 NOTICE!

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

53

Remove and replace the O-ring (42) from the stroke indicator cap (13), lubricating it with synthetic grease.

 NOTICE!

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

54

Insert the indicator rod assembly (15, 16) into the downstream cover (3).

55

Hook the extension (15) into the diaphragm holder (11).

56

Insert and screw the indicator rod guide (12) into the downstream cover (3).

57

Insert and secure the stroke indicator cap (13) together with the indicator slide (14) in the indicator rod guide 
(12).

Tab. 9.95.

 NOTICE!

After maintenance, reposition the regulator and spacer (if present) in line following the procedure indicat-
ed in section 6.5 “Installation procedure”.

 WARNING!

Ensure that all parts have been fitted correctly.

Summary of Contents for ASX 176

Page 1: ...ASX 176 TRANSLATION OF ORIGINAL INSTRUCTIONS EN EN Revision 00 Edition 12 2021 High medium pressure gas regulator USE MAINTENANCE AND WARNING INSTRUCTIONS ...

Page 2: ...2 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR INTRODUCTION REV 00 ...

Page 3: ... shall in no way be held liable for the consequences resulting from any operations carried out in a manner not in accordance with the instructions GENERAL REMARKS All operating and maintenance instructions as well as any recommendations described in these instructions must be adhered to In order to obtain the best performance and to keep the equipment in efficient condition the manufacturer recomm...

Page 4: ...4 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR INTRODUCTION REV 00 ...

Page 5: ...5 ASX 176 Use maintenance and warning instructions HIGH PRESSURE REGULATOR INTRODUCTION REV 00 EN 1 1 REVISION HISTORY Revision index Date Revision contents 00 12 2021 Tab 1 1 ...

Page 6: ...UAL 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...

Page 7: ... 2 M A ACCELERATING VALVE 46 4 5 3 SLAM SHUT VALVE 47 4 5 3 1 BUILT IN SLAM SHUT VALVE SSX 176 47 4 5 4 SLAM SHUT VALVE PRESSURE SWITCHES 50 5 TRANSPORT AND HANDLING 53 5 1 SPECIFIC WARNINGS FOR TRANSPORT AND HANDLING 53 5 1 1 PACKAGING AND FASTENERS USED FOR TRANSPORT 54 5 2 PHYSICAL CHARACTERISTICS OF THE EQUIPMENT 56 5 2 1 ASX 176 LDB 176 56 5 2 2 ASX 176 PM 176 57 5 2 3 ASX 176 SSX 176 58 5 3 ...

Page 8: ...AL WARNINGS 83 8 1 1 SAFETY REQUIREMENTS FOR COMMISSIONING 83 8 2 PRELIMINARY PROCEDURES FOR COMMISSIONING 84 8 3 PROPER COMMISSIONING CHECK 85 8 4 CALIBRATION OF ANY ACCESSORIES 85 8 5 REGULATOR COMMISSIONING PROCEDURE 86 8 6 COMMISSIONING PROCEDURE FOR THE ASX 176 REGULATOR WITH BUILT IN MONITOR PM 176 88 8 7 COMMISSIONING PROCEDURE FOR THE ASX 176 REGULATOR WITH BUILT IN PM 176 MONITOR AND M A ...

Page 9: ...LENCER LDB 176 144 9 4 5 MAINTENANCE PROCEDURE FOR BUILT IN MONITOR PM 176 OR BUILT IN SLAM SHUT VALVE SSX 176 160 9 4 6 PILOT MAINTENANCE PROCEDURE 200 A SERIES PRE REGULATOR R14 A 176 9 4 7 M A ACCELERATING VALVE MAINTENANCE PROCEDURE 192 9 4 8 MAINTENANCE PROCEDURE FOR PRESSURE SWITCHES MODELS 102M 102MH 105M 105MH 196 9 4 9 LINE OFF 2 0 MAINTENANCE PROCEDURE 208 9 4 10 PROCEDURE FOR RECOMMISSI...

Page 10: ...N OF THE OPERATORS IN CHARGE 245 11 3 UNINSTALLATION 245 11 4 INFORMATION REQUIRED IN CASE OF RE INSTALLATION 245 11 5 DISPOSAL INFORMATION 246 12 RECOMMENDED SPARE PARTS 247 12 1 GENERAL WARNINGS 247 12 2 HOW TO REQUEST SPARE PARTS 247 13 CALIBRATION TABLES 249 13 1 200 SERIES PILOT CALIBRATION TABLES 249 13 2 CALIBRATION TABLES FOR PRESSURE SWITCHES MODELS 102M 102MH 105M 105MH 250 ...

Page 11: ...11 ASX 176 Use maintenance and warning instructions HIGH PRESSURE REGULATOR INTRODUCTION REV 00 EN ...

Page 12: ...12 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR INTRODUCTION REV 00 ...

Page 13: ...sessment procedure adopted is in accordance with form H1 as per Annex III of the Directive NOTICE The declaration of conformity in its original version is delivered together with the equipment 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 requirements specifications and perfor...

Page 14: ... to 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 dam...

Page 15: ...llowed 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 manual was drawn up in Italia...

Page 16: ...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 REGULATOR IDENTIFICATION PLATE EC version ARCUGNANO VI ITALY REGULATOR PS Bar Bar S n T DN Wd Bar bpu Bar Fluid Fall safe modes Bar Wds AC SG Cg Strength type Flange Pumax Bar 2 NAMEPLATE PILOT ARCUGNANO VI ...

Page 17: ...d Bar bpu Bar Fluid Fall safe modes Bar Wds Control head PS AC SG Cg Strength type Flange Pumax Bar 6 NAMEPLATE SLAM SHUT VALVE ARCUGNANO VI ITALY SLAM SHUT DEVICE S n DN Class T 7 NAMEPLATE PRESSURE SWITCH ARCUGNANO VI ITALY TRIPPING UNIT S n T AG max AG min Bar Wdo Bar Wdso Bar Wdu Bar Wdsu 8 NAMEPLATE ACCELERATING VALVE ARCUGNANO VI ITALY Accelerator S n T Wdo Wdso Pumax Bar PS Bar Tab 2 5 ...

Page 18: ...ody participating in the conformity assessment of the equipment Monitor Monitor family 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...

Page 19: ... 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: ...n 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: ...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 placement on site Operator qualified to use lifting equipment handle materials and equipment The equipment must be lifted and handled strictly in accorda...

Page 22: ...22 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR GENERAL INFORMATION REV 00 ...

Page 23: ...ION 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 be ...

Page 24: ...ent 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 ev...

Page 25: ... 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: ...d 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 dlin...

Page 27: ...e 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 devic es c The above requirements are referred to in the use and warning instruction manual Pressurised gas leakage Projection of metallic and non metall...

Page 28: ...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 standa...

Page 29: ...nvolves 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 requirement...

Page 30: ...luid 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 the equip...

Page 31: ... 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 ATTENT...

Page 32: ...32 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR SAFETY REV 00 ...

Page 33: ...he downstream value stable even when the following varies inlet pressure value the required flow rate within the operating conditions of the equipment The regulator ASX 176 consists of see fig 4 1 Pos Description Pos Description 1 Main regulator 5 Regulator plug 2 Piloting unit 6 Reinforced gasket 3 Pre regulator R14 A 7 Main diaphragm 4 200 A series pilot Tab 4 13 2 3 1 4 7 6 5 Upstream pressure ...

Page 34: ...at is it closes in the event of breakage of main diaphragm breakage of the pilot diaphragm no power supply in the pilot 4 2 OPERATION B 9 E 12 14 11 7 13 6 A 4 2 3 5 1 8 C 10 15 17 18 16 Upstream pressure Downstream pressure Loading pressure Pre regulator pressure Fig 4 2 Operation ASX 176 NOTICE To check the position of the plug 5 look at the position of the stroke indicator rod 17 referring to t...

Page 35: ... regulator in order to open the plug 5 of the regulator through the opening of the plug 14 The loading pressure Pm is set by comparing the force exerted by the pilot calibration spring 11 the action of the downstream pressure Pd which acts on the diaphragm 12 in the chamber B The loading circuit is an open circuit with continuous discharge by means of a transfer hole 16 in the diaphragm protec tio...

Page 36: ...he 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 result...

Page 37: ...ssure Up to 102 bar Ambient temperature range 10 C to 60 C class 1 20 C to 60 C class 2 Inlet gas temperature range 20 C 60 C Inlet pressure range bpu 0 8 100 bar Possible regulation range Wd 0 3 74 bar depending on the pilot installed Minimum differential pressure 0 5 bar Accuracy class AC up to 1 depending on operating conditions Shut off pressure class SG up to 2 5 depending on operating condit...

Page 38: ...lencer LDB 176 PM 176 built in monitor Built in slam shut valve SSX 176 The possible configurations are described in Table 4 18 ASX 176 Silencer LDB 176 Monitor PM 176 Slam shut valve SSX 176 LDB 176 silencer Yes Yes PM 176 monitor Yes No SSX 176 slam shut valve Yes No Tab 4 18 The accessories can be installed directly at the factory or at a later time directly on site NOTICE The installation of a...

Page 39: ...76 silencer 1 is incorporated in the regulator 2 The LDB 176 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 1 2 Upstream pressure Downstream pressure Loading pressure Pre regulator pressure Fig 4 3 Built in silencer LDB 176 ...

Page 40: ...r can be incorporated in the regulator 2 installed in line with the regulator 2 2 1 Upstream press Downstream press Loading press Pre regulator press Monitor loading press Fig 4 4 ASX 176 with built in monitor PM 176 4 5 2 1 BUILT IN MONITOR The PM 176 monitor 1 is mounted in series directly on the service regulator housing 2 The PM 176 1 monitor is nor mally in stand by position fully open and in...

Page 41: ...rced gasket 5 The upstream pressure Pu although variable does not change this position as the plug 3 is fully balanced The position of the plug 3 is controlled by the movements of the diaphragm 6 that the forces act on during shut off the load of the spring 4 and thrust resulting from the downstream pressure Pd in the chamber C in opening towards the open position the thrust resulting from the loa...

Page 42: ...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 R14 A pre regulator 5 through the completely open pilot 4 also keeps the PM 176 built in monitor 1 fully open 2 4 5 1 Upstream pressure Downstream pressure Pre regulator pressure Monitor loading pressure Fig 4 6 Operation of the built in monit...

Page 43: ...43 ASX 176 Use maintenance and warning instructions HIGH PRESSURE REGULATOR DESCRIPTION AND OPERATION REV 00 EN ...

Page 44: ...TION AND OPERATION REV 00 BUILT IN MONITOR OPERATION IN THE EVENT OF FAILURE OF THE MAIN REGULATOR 4 A 5 3 C 9 7 1 6 B 2 Upstream pressure Downstream pressure Pre regulator pressure Monitor loading pressure Fig 4 7 Built in monitor operation in the event of failure of the main regulator ...

Page 45: ...in the value of the load ing pressure Pm inside the chamber B Opening of the plug 7 of the PM 176 monitor 1 until the equilibrium of forces between the downstream pressure Pd in the chamber A and the cali bration spring 3 of the pilot 4 has been restored Increase in downstream pressure Pd with the pilot 4 plug 5 being moved to the shut off position Move the plug 7 of the PM 176 monitor 1 to the sh...

Page 46: ...ing of the built in PM 176 monitor 1 The M A accelerating valve 3 based on a downstream pressure signal Pd discharges the gas contained in the loading chamber of the monitor into the atmosphere thus enabling more rapid tripping The calibration of the M A accelerating valve must be higher than the shut off pressure of the monitor 1 with reference to the specific SG value is carried out by turning t...

Page 47: ... IN SLAM SHUT VALVE SSX 176 The built in slam shut valve SSX 176 can be operated by the pressure switch manually with remote control The main features of the SSX 176 built in slam shut valve are balanced valve plug local shut off button tripping due to downstream pressure increase and or decrease built in bypass manual resetting only Pressure switch type Set Operating range bar AG Mod 102M max 0 2...

Page 48: ...essure loading speed in the pneumatic circuit and to filter the gas entering the R44 SS regulator 6 NOTICE The load speed is adjusted by a screw minimum value 1 maximum value 8 7 VS FI safety valve used to discharge any overpressure generated by malfunction of the R44 SS pressure regulator into the atmosphere protect the entire circuit downstream of the R44 SS pressure regulator 8 Valve 3 2 used t...

Page 49: ...ation button 13 of the bypass the pressurised gas is filtered and feeds the AR100 lamination valve 5 which in turn supplies the chamber of the adjustment spring B the R44 SS regulator 6 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 lever 16 acts on the pressure switch coupling system 9 so as to allow through the 3 2 valve 8...

Page 50: ...ig 4 10 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 nuts 6 8 OPSO maximum spring adjustment nuts 5 10 Manual release button Tab 4 23 8 7 5 6 4 3 2 1 10 Downstream pressure Fig 4 10 Slam shut device pr...

Page 51: ...RATION REV 00 EN Table 4 23 lists the models of the pressure switches available for this slam shut valve Model pressure switch Max bar Min bar 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 104M 15 45 1 6 18 104MH 15 45 18 41 105M 30 90 3 44 105MH 30 90 44 90 Tab 4 24 ...

Page 52: ...52 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR DESCRIPTION AND OPERATION REV 00 ...

Page 53: ...h 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 installation ...

Page 54: ...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 5...

Page 55: ...55 ASX 176 Use maintenance and warning instructions HIGH PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 EN ...

Page 56: ... ASX 176 LDB 176 ASX 176 overall dimensions Nominal diameter mm 25 50 80 100 150 Size inches 1 2 3 4 6 S Class 300 197 267 317 368 473 S Class 600 210 286 336 394 508 Ø 279 279 359 440 550 A 180 180 223 263 318 F 335 335 375 409 465 G 181 181 186 203 201 H 321 321 365 425 476 Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 27 Weights kgf Class 300 55 72 123 214 333 Class 600 55 74 126 225 ...

Page 57: ...6 overall dimensions Nominal diameter mm 25 50 80 100 150 Size inches 1 2 3 4 6 S Class 300 372 516 581 694 901 S Class 600 385 535 600 720 936 Ø 279 279 359 440 550 A 180 180 223 263 318 F 335 335 375 409 318 G 181 181 186 203 201 H 321 321 365 425 476 Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 29 Weights kgf Class 300 110 137 239 425 656 Class 600 110 139 242 445 730 Tab 5 30 ...

Page 58: ... Nominal diameter mm 25 50 80 100 150 Size inches 1 2 3 4 6 S Class 300 372 516 581 694 901 S Class 600 385 535 600 720 936 Ø 279 279 359 440 550 A 180 180 223 263 318 C 346 346 352 369 388 F 348 348 389 425 460 G 181 181 186 203 201 H 489 489 532 590 653 L 284 308 365 443 523 Connecting pneumatic connections eØ 10mm x Øi 8mm Tab 5 31 Weights kgf Class 300 115 142 244 429 661 Class 600 115 144 246...

Page 59: ...59 ASX 176 Use maintenance and warning instructions HIGH PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 EN ...

Page 60: ... 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 t...

Page 61: ...vvantaggiare 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 sotto i...

Page 62: ...centro 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 If obstacles along the path particular opera...

Page 63: ...n to drag the 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 For proper transport follow the procedure below Step Action Image 1 Attach the lifting rope or chain to the appropriate supports WARNING The lift...

Page 64: ...cility Tab 5 35 To unpack equipment in a cardboard boxes proceed as in tab 5 36 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 weight Tab...

Page 65: ...nstallation 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 37 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 order ...

Page 66: ...66 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR TRANSPORT AND HANDLING REV 00 ...

Page 67: ...ipment The installation area of the equipment must be properly lit to ensure proper operator visibility during working on the equip ment 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 a...

Page 68: ...nsured 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 clean ...

Page 69: ... 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 70: ... pointing to the gas flow direction The online installation must include 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 39 Fig 6 14 In line installation Fig 6 15 Angle installa...

Page 71: ...andards 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 16 and 6 17 show how the regulator can be arranged Fig 6 16 Horizontal position Fig 6 17 Vertical position with flow direction from bottom to top ...

Page 72: ...without spacer Step Action 1 Place the equipment in the section of the line designated for it 2 Place the gaskets between the line flanges and the regulator flanges 3 Insert the bolts into the appropriate holes of the connecting flanges 4 Screw the bolts following the technical rules for tightening flanges Tab 6 40 NOTICE For installation after maintenance replace the gaskets and clean the flange ...

Page 73: ...ent in the section of the line designated for it 2 Place the gaskets between the line flange and the upstream regulator flange 3 Insert the bolts into the appropriate holes of the upstream connecting flanges 4 Place a gasket between the spacer and the regulator 5 Place a gasket between the spacer and the downstream pipe flange 6 Insert the bolts into the appropriate holes of the downstream connect...

Page 74: ...Use maintenance and warning instructions HIGH PRESSURE REGULATOR INSTALLATION REV 00 Table 6 41 lists the dimensions of the mounting spacer Fig 6 20 Mounting spacer DN S 25 30 50 50 80 60 100 60 150 80 Tab 6 42 DN S ...

Page 75: ...nstream sensing lines are placed on a straight section of pipe with uniform diameter having a length equal to at least 4 times the nominal diameter of the piping itself the velocity of the pressurised fluid at the sampling point does not exceed the following values Vmax 30 m s for Pa 5 bar Vmax 25 m s for Pa 5 bar To calculate the flow rate use the following formula 345 92 2 1 0 002 1 V gas veloci...

Page 76: ...and condensation it is necessary that the pneumatic connection couplings are always welded on the upper part or at maximum 90 degrees on the axis of the piping refer to fig 6 22 the hole in the piping has no burrs or internal protrusions the slope of the pneumatic connection is always 5 10 towards the downstream pipe connection Fig 6 22 Welded connections of the pneumatic connection ...

Page 77: ...sing lines of the accelerator and or of the slam shut device 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 23 Equipment connections 6 6 POST INSTALLATION AND PRE COMMISSIONING CHECKS When the equipment is...

Page 78: ...78 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR INSTALLATION REV 00 ...

Page 79: ...his 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 Tab 7 43 The types of equipment required to commission and service the equip...

Page 80: ...l tool Tab 7 44 7 2 EQUIPMENT NEEDED FOR THE DIFFERENT CONFIGURATIONS Each table is distinguished by Term Description K Wr Key with reference to the equipment indicated in tab 7 43 Code Code referring to the equipment DN Indicates the Nominal Diameter of the reference configuration L Length referred to the equipment Ref Reference to the equipment Type Type size or code of the equipment Tab 7 45 ...

Page 81: ... 5 6 7 F Code 7999099 Tab 7 46 ASX 176 PM 176 Equipment DN Ref Type 1 2 3 4 6 A K Wr 13 17 19 24 30 13 17 19 24 30 13 17 19 24 27 30 13 17 19 24 30 32 13 17 19 24 30 41 B L 300 C K Wr 17 17 17 17 17 D K Wr 10 10 14 14 14 E K Wr 5 6 7 5 6 7 5 6 7 5 6 7 5 6 7 F Code 7999099 Tab 7 47 ASX 176 SSX 176 Equipment DN Ref Type 1 2 3 4 6 A K Wr 13 17 19 24 30 13 17 19 24 30 13 17 19 24 27 30 13 17 19 24 30 ...

Page 82: ...82 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR COMMISSIONING AND MAINTENANCE EQUIPMENT REV 00 ...

Page 83: ...176 or the built in slam shut valve SSX 176 is fitted to the equipment any pilots or pressure switches present will be already calibrated NOTICE The calibration of the equipment accessories may vary due to external causes e g vibration during trans port while remaining within the values indicated on the nameplates Before commissioning the equipment it is necessary to check that all shut off valves...

Page 84: ...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 co...

Page 85: ... calibrate all the accessories in the equipment refer to table 8 50 where starting from the calibration of the regulator all relevant values are defined Calibration of a line consisting of ASX 176 built in monitor PM 176 or SSX 176 slam shut valve Calibration REGULATOR Pd bar Calibration MONITOR Calibration ACCELERATOR Calibration Max pressure SLAM SHUT DEVICE Calibration Min pressure SLAM SHUT DE...

Page 86: ...ISSIONING 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 24 Commissioning the regulator ASX 176 ...

Page 87: ...r an increase phase does not exceed the shut off pressure value refer to the SG value on the nameplate see 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 7 Check all fittings between the shut off valves V1 V2 f...

Page 88: ...rning instructions HIGH PRESSURE REGULATOR COMMISSIONING REV 00 8 6 COMMISSIONING PROCEDURE FOR THE ASX 176 REGULATOR WITH BUILT IN MONITOR PM 176 Fig 8 25 Procedure for commissioning the ASX 176 regulator with the PM 176 built in monitor ...

Page 89: ...the PM 176 monitor 8 is fully open 100 by checking the position of the stroke indicator rod fig 4 5 NOTICE Check the pressure referring to the pressure gauge 5 located upstream 9 Slowly close the drain cock 6 10 Check that the downstream pressure after an increase phase does not exceed the shut off pressure value refer to the SG value on the nameplate see 2 8 NOTICE If the downstream pressure exce...

Page 90: ...lot spring 10 by turning the adjusting screw fig 8 30 anti clockwise 5 Fully compress the M A accelerating valve spring 11 by turning the adjusting screw clockwise 6 Open the upstream shut off valve V1 very slowly NOTICE Check the pressure by referring to the pressure gauge 4 located upstream 7 Slowly increase the downstream pressure by turning the adjusting screw fig 8 30 of the monitor pilot 10 ...

Page 91: ...ain cock 6 13 Check that the downstream pressure after an increase phase does not exceed the shut off pressure value refer to the SG value on the nameplate see 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 14 ...

Page 92: ...SSURE REGULATOR COMMISSIONING REV 00 8 8 COMMISSIONING PROCEDURE FOR THE ASX 176 REGULATOR WITH BUILT IN SSX 176 SLAM SHUT VALVE 8 8 1 CHECKING THE SSX 176 SLAM SHUT VALVE FOR PROPER SEALING DURING SHUT OFF 9 Fig 8 27 SSX 176 slam shut valve sealing during sealing ...

Page 93: ...drain the downstream section completely 5 Disconnect the piping between the R14 A pre regulator 2 and the intermediate mouthpiece 9 6 Check the tightness of the built in slam shut valve with a foaming substance through the connection connect ed to the intermediate mouthpiece 9 of the regulator 1 NOTICE If the connection is leaking refer to chapter 10 Fault search and troubleshooting to remove the ...

Page 94: ...nstructions HIGH PRESSURE REGULATOR COMMISSIONING REV 00 8 8 2 LINE OFF 2 0 COMMISSIONING AND CALIBRATION PROCEDURE FOR SSX 176 BUILT IN SLAM SHUT VALVE Fig 8 28 LINE OFF 2 0 commissioning and calibration for the SSX 176 built in slam shut valve ...

Page 95: ...e spring inside 5 Check the VS FI valve 7 6 for correct calibration decreasing the pressure by 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 th...

Page 96: ...e gauge fig 8 11 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 Decrease the pressure in the downstream section by opening the ven...

Page 97: ...her compress the spring 17 3 Close the vent fig 8 11 ref 6 4 Balance the upstream and downstream pressure of the slam shut valve using the HP2 2 bypass valve fig 8 4 ref 7 1 5 Open the vent again fig 8 11 ref 6 6 Increase the downstream pressure up to the calibration value by adjusting the main regulator 7 Reset the slam shut device by adjusting the lever in the 3 2 valve fig 4 1 ref 8 8 Check the...

Page 98: ...TICE For the pressure switch calibration procedure refer to paragraph 8 8 3 Calibration procedure for pressure switches 102M 102MH 105M 105MH 8 10 DEVICE CALIBRATION 8 10 1 CALIBRATION OF 200 A SERIES PILOTS 10 Fig 8 30 200 A series pilots Turn the adjusting screw 10 anti clockwise to decrease the adjusted pressure clockwise to increase the adjusted pressure ...

Page 99: ...102MH 105M 105MH Adjust the maximum pressure 11 ring nut 13 anti clockwise 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...

Page 100: ...100 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR COMMISSIONING REV 00 ...

Page 101: ...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 clarifica tions 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 wo...

Page 102: ... 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 i...

Page 103: ... 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 flo...

Page 104: ...CE 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 105: ...s 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 function between parts at least one of which is in motion under normal working operating conditions Pressure regulators 6 years Gas flow slam shut type safety devi...

Page 106: ...ns HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Category Part description Evaluation criterion Minimum replacement frequency 2 Lubricating parts Shut off valves Yearly Other equipment Yearly 2 Filter elements Filters As needed Tab 9 63 ...

Page 107: ...ired 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 Equipm...

Page 108: ...SX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 TIGHTENING TORQUES ASX 176 36 33 32 34 37 31 34 1 Fig 9 32 Tightening torques ASX 176 ...

Page 109: ...X12 UNI 5931 10 7 34 Screw M16X120 UNI 5739 200 147 34 1 Screw M16X120 UNI 5739 200 147 36 Screw M6X20 UNI 5931 10 7 37 Screw M16X130 UNI 5737 200 147 Tab 9 66 ASX 176 DN 3 Pos Description Torque Nm Torque ft lb 31 Screw M14X25 UNI 5931 130 95 32 Screw M14X45 UNI 5931 130 95 33 Screw M6X14 UNI 5931 10 7 34 Screw M18X120 UNI 5739 200 147 34 1 Screw M18X120 UNI 5739 200 147 36 Screw M6X18 UNI 5931 1...

Page 110: ...110 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 36 33 32 34 37 31 34 1 Tightening torques ASX 176 ...

Page 111: ...L CHECKS REV 00 EN ASX 176 DN 6 Pos Description Torque Nm Torque ft lb 31 Screw M18X50 UNI 5931 220 162 32 Screw M18X60 UNI 5931 220 162 33 Screw M6X14 UNI 5931 10 7 34 Screw M27X200 UNI 5739 300 221 34 1 Screw M27X200 UNI 5739 300 221 36 Screw M6X16 UNI 5931 10 7 37 Pilot screw ASX 176 300 221 Tab 9 69 ...

Page 112: ...tenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 1 TIGHTENING TORQUES ASX 176 SILENCER LDB 176 36 33 32 34 37 31 34 1 Fig 9 33 Tightening torques ASX 176 Silencer LDB 176 ...

Page 113: ...6X12 UNI 5931 10 7 34 Screw M16X120 UNI 5739 200 147 34 1 Screw M16X120 UNI 5739 200 147 36 Screw M6X20 UNI 5931 10 7 37 Screw M16X130 UNI 5737 200 147 Tab 9 71 ASX 176 DN 3 LDB 176 Pos Description Torque Nm Torque ft lb 31 Screw M14X25 UNI 5931 130 95 32 Screw M14X45 UNI 5931 130 95 33 Screw M6X14 UNI 5931 10 7 34 Screw M18X120 UNI 5739 200 147 34 1 Screw M18X120 UNI 5739 200 147 36 Screw M6X18 U...

Page 114: ...114 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 36 33 32 34 37 31 34 1 Tightening torques ASX 176 Silencer LDB 176 ...

Page 115: ...ECKS REV 00 EN ASX 176 DN 6 LDB 176 Pos Description Torque Nm Torque ft lb 31 Screw M18X50 UNI 5931 220 162 32 Screw M18X60 UNI 5931 220 162 33 Screw M6X14 UNI 5931 10 7 34 Screw M27X200 UNI 5739 300 221 34 1 Screw M27X200 UNI 5739 300 221 36 Screw M6X16 UNI 5931 10 7 37 Pilot screw ASX 176 300 221 Tab 9 74 ...

Page 116: ...ning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 2 BUILT IN MONITOR TORQUES PM 176 OR SLAM SHUT VALVE SSX 176 36 33 34 37 31 34 1 32 Fig 9 34 Built in monitor torque PM 176 or slam shut valve SSX 176 ...

Page 117: ...X12 UNI 5931 10 7 34 Screw M16X120 UNI 5739 200 147 34 1 Screw M16X120 UNI 5739 200 147 36 Screw M6X20 UNI 5931 10 7 37 Screw M16X130 UNI 5737 200 147 Tab 9 76 PM 176 or SSX 176 DN 3 Pos Description Torque Nm Torque ft lb 31 Screw M14X25 UNI 5931 130 95 32 Screw M14X45 UNI 5931 130 95 33 Screw M6X14 UNI 5931 10 7 34 Screw M18X120 UNI 5739 200 147 34 1 Screw M18X120 UNI 5739 200 147 36 Screw M6X18 ...

Page 118: ...118 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 36 33 34 37 31 34 1 32 Built in monitor torque PM 176 or slam shut valve SSX 176 ...

Page 119: ...CKS REV 00 EN PM 176 or SSX 176 DN 6 Pos Description Torque Nm Torque ft lb 31 Screw M18X50 UNI 5931 220 162 32 Screw M18X60 UNI 5931 220 162 33 Screw M6X14 UNI 5931 10 7 34 Screw M27X200 UNI 5739 300 221 34 1 Screw M27X200 UNI 5739 300 221 36 Screw M6X16 UNI 5931 10 7 37 Pilot screw ASX 176 300 221 Tab 9 79 ...

Page 120: ...5 2 2 12 Fig 9 35 Tightening torques for pilots 204 205 207 PILOTS 204 205 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 80 PILOT 207 Pos Description Torque Nm Torque ft lb 2 Nut M16X1 25 18 12 Nut M16X1 25 18 24 Screw M8X30 UNI 5931 AISI 20 14 26 Nut M18X1 5 20 14 Tab 9 81 204 A 205 A 207 A ...

Page 121: ...ANCE AND FUNCTIONAL CHECKS REV 00 EN 9 4 1 4 TIGHTENING TORQUES FOR PRE REGULATORS R14 A 15 4 16 21 16 Fig 9 36 Tightening torques for pre regulator R14 A 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 82 ...

Page 122: ...INTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 5 TIGHTENING TORQUES FOR PRESSURE SWITCHES MODELS 102M 102MH 105M 105MH 10 22 20 21 47 42 48 11 46 42 48 42 48 42 48 Fig 9 37 Tightening torques for pressure switches models 102M 102MH 105M 105MH 102M 102MH 103M 103MH 104M 104MH 105M 105MH ...

Page 123: ...UNI 5931 5 3 Tab 9 83 Mod 103M 103MH 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 M8X30 UNI 5931 16 11 46 Screw M5X18 UNI 5931 8 5 48 Screw M5X20 UNI 5931 5 3 Tab 9 84 Mod 104M 104MH 105M 105MH Pos Description Torque Nm Torque ft lb 10 Screw M4X10 UNI 5931 3 2...

Page 124: ...EGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 6 TIGHTENING TORQUES FOR HP2 2 BYPASS DEVICE 14 15 Fig 9 38 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 86 ...

Page 125: ...HECKS REV 00 EN 9 4 1 7 TIGHTENING TORQUES FOR R44 SS REGULATOR 24 1 24 26 2 25 Fig 9 39 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 87 ...

Page 126: ... REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 1 8 TIGHTENING TORQUES FOR LAMINATION VALVE AR100 4 2 Fig 9 40 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 88 ...

Page 127: ...the size for which maintenance is being carried out Proceed as follows 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 present with the R14 A pre regulator from the regulator NOTICE For replacement and pilot disconnection...

Page 128: ...EGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 3 REGULATOR MAINTENANCE PROCEDURE ASX 176 9 4 3 1 REGULATOR ASX 176 DN 1 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 60 32 61 19 34 1 Fig 9 42 Regulator ASX 176 DN 1 ...

Page 129: ...ust remain parallel to the downstream cover 3 8 Remove the upstream mouthpiece 1 9 Remove the spring 54 10 Remove the diaphragm plug assembly 9 10 11 50 from the downstream cover 3 11 Position the plug 9 from the downstream side on a shockproof surface NOTICE Take care not to damage the plug 12 Undo and remove the screws 36 NOTICE During this phase prop up the diaphragm holder 11 13 Remove the dia...

Page 130: ...ce and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 60 32 61 19 34 1 Regulator ASX 176 DN 1 ...

Page 131: ...e NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 26 Remove and replace the I DWR ring 52 from the downstream cover 3 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 27 Turn the downstream cover assembly 3 and the downstream mouthpiece 4 upside down placing the cover on an impact resistant surf...

Page 132: ...ce and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 60 32 61 19 34 1 Regulator ASX 176 DN 1 ...

Page 133: ...and the downstream mouthpiece 4 upside down placing the mouth piece on an impact resistant surface 42 Insert the diaphragm plug assembly 9 10 11 50 into the downstream cover 3 NOTICE Take care not to damage the O ring 48 the I DWR 52 and the plug profile 9 43 Fit the spring 54 44 Place the upstream mouthpiece 1 in the plug 9 NOTICE Take care not to damage the O ring 48 the I DWR 52 45 Insert and f...

Page 134: ...ce and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 60 32 61 19 34 1 Regulator ASX 176 DN 1 ...

Page 135: ...grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 52 Insert the indicator rod assembly 15 16 into the downstream cover 3 53 Hook the extension 15 into the diaphragm holder 11 54 Insert and screw the indicator rod guide 12 into the downstream cover 3 55 Insert and secure the stroke indicator cap 13 together with the stroke indicator slide 14 in...

Page 136: ...ons HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 3 2 REGULATOR ASX DN 2 6 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 19 31 61 60 34 1 Fig 9 43 Regulator ASX 176 DN 2 6 ...

Page 137: ...er 3 8 Separate the upstream cover 2 from the downstream cover 3 NOTICE Place the upstream cover 2 on the side of the upstream mouthpiece 1 9 Remove the spring 54 10 Remove the diaphragm plug assembly 9 10 11 50 from the downstream cover 3 11 Position the plug 9 from the downstream side on a shockproof surface NOTICE Take care not to damage the plug 9 12 Undo and remove the screws 36 NOTICE During...

Page 138: ...d warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 19 31 61 60 34 1 Regulator ASX 176 DN 2 6 ...

Page 139: ...nd replace the I DWR ring 52 from the upstream mouthpiece 1 NOTICE Before inserting the replacement I DWR rings clean the retaining slots with a cleaning solution 27 Place upstream cover 2 in upstream mouthpiece 1 28 Insert and fix the screws 31 according to the following tightening torque DN 2 tab 9 65 DN 3 tab 9 66 DN 4 tab 9 67 DN 6 tab 9 68 NOTICE Tighten the screws according to the cross diag...

Page 140: ...d warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 19 31 61 60 34 1 Regulator ASX 176 DN 2 6 ...

Page 141: ...tab 9 68 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 41 Remove and replace the O ring 41 from the downstream cover 3 lubricating it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 42 Place the reinforced gasket assembly 4 5 6 7 8 33 43 in the downstream cover 3 43 Place the downstream mouthpie...

Page 142: ...d warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 19 31 61 60 34 1 Regulator ASX 176 DN 2 6 ...

Page 143: ...o the cross diagram in paragraph 9 4 2 2 52 Rotate the regulator resting the downstream mouthpiece 4 on a shockproof surface 53 Remove and replace the O rings 42 44 47 from the indicator rod guide 12 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 54 Remove and replace the O ring 42 from the stroke indicator ...

Page 144: ...L CHECKS REV 00 9 4 4 MAINTENANCE PROCEDURE REGULATOR ASX 176 WITH SILENCER LDB 176 9 4 4 1 REGULATOR ASX 176 WITH SILENCER LDB 176 DN 1 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 19 60 32 61 70 34 1 Fig 9 44 Regulator ASX 176 with silencer LDB 176 DN 1 ...

Page 145: ...4 9 Remove the diaphragm plug assembly 9 10 11 50 from the downstream cover 3 10 Position the plug 9 from the downstream side on a shockproof surface NOTICE Take care not to damage the plug 9 11 Undo and remove the screws 36 NOTICE During this phase prop up the diaphragm holder 11 12 Remove the diaphragm holder 10 from the plug 9 13 Remove and replace the diaphragm 50 14 Remove the O ring 45 and r...

Page 146: ...ng instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 19 60 32 61 70 34 1 Regulator ASX 176 with silencer LDB 176 DN 1 ...

Page 147: ...aining slots with a cleaning solution 26 Turn the downstream cover assembly 3 and downstream mouthpiece 4 upside down placing the down stream cover on an impact resistant surface 27 Undo the screws 32 together with the washers 61 28 Remove the downstream mouthpiece 4 29 Remove the reinforced gasket assembly 4 5 6 7 8 33 43 together with the LDB 176 grid 70 from the downstream mouthpiece 4 30 Unscr...

Page 148: ...ng instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 19 60 32 61 70 34 1 Regulator ASX 176 with silencer LDB 176 DN 1 ...

Page 149: ...are not to damage the O ring 48 the I DWR 52 46 Insert and fasten the screws 34 1 in the two threaded holes of the downstream cover 3 to compress the spring 54 and hold the upstream mouthpiece 1 parallel to the downstream cover 3 according to the tight ening torque DN 1 tab 9 69 NOTICE Take care not to tilt the upstream mouthpiece 1 when fastening the screws 34 1 47 Bring the upstream mouthpiece 1...

Page 150: ...ng instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 4 33 6 48 46 45 11 10 35 60 34 37 19 60 32 61 70 34 1 Regulator ASX 176 with silencer LDB 176 DN 1 ...

Page 151: ... the diaphragm holder 11 54 Insert and screw the indicator rod guide 12 into the downstream cover 3 55 Insert and secure the stroke indicator cap 13 together with the indicator slide 14 in the indicator rod guide 12 Tab 9 92 NOTICE After maintenance reposition the regulator and spacer if present in line following the procedure indicat ed in section 6 5 Installation procedure WARNING Ensure that al...

Page 152: ... MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 4 2 REGULATOR ASX 176 WITH SILENCER LDB 176 DN 2 6 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 31 61 60 70 49 19 34 1 Fig 9 45 Regulator ASX 176 with silencer LDB 176 DN 2 6 ...

Page 153: ...stream cover 3 8 Separate the upstream cover 2 from the downstream cover 3 NOTICE Place the cover 2 on the side of the mouthpiece 1 9 Remove the spring 54 10 Remove the diaphragm plug assembly 9 10 11 50 from the downstream cover 3 11 Position the plug 9 from the downstream side on a shockproof surface NOTICE Take care not to damage the plug 9 12 Undo and remove the screws 36 NOTICE During this ph...

Page 154: ...ructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 31 61 60 70 49 19 34 1 Regulator ASX 176 with silencer LDB 176 DN 2 6 ...

Page 155: ...2 from the upstream mouthpiece 1 NOTICE Before fitting the replacement I DWR ring clean the retaining slots with a cleaning solution 27 Place upstream cover 2 in upstream mouthpiece 1 28 Insert and fix the screws 31 according to the following tightening torque DN 2 tab 9 70 DN 3 tab 9 71 DN 4 tab 9 72 DN 6 tab 9 73 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 29 Re...

Page 156: ...ructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 31 61 60 70 49 19 34 1 Regulator ASX 176 with silencer LDB 176 DN 2 6 ...

Page 157: ...er 8 and the gasket ring 7 in the gasket holder 5 43 Insert and fasten the screws 33 together with the locking ring 6 according to the tightening torque DN 2 tab 9 70 DN 3 tab 9 71 DN 4 tab 9 72 DN 6 tab 9 73 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 44 Remove and replace the O ring 41 from the downstream cover 3 lubricating it with synthetic grease NOTICE Befor...

Page 158: ...ructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 4 6 5 33 43 48 46 45 11 10 32 60 35 34 37 31 61 60 70 49 19 34 1 Regulator ASX 176 with silencer LDB 176 DN 2 6 ...

Page 159: ... 9 73 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 55 Rotate the regulator resting the downstream mouthpiece 4 on a shockproof surface 56 Remove and replace the O rings 42 44 47 from the indicator rod guide 12 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 57 Remove and repla...

Page 160: ...CKS REV 00 9 4 5 MAINTENANCE PROCEDURE FOR BUILT IN MONITOR PM 176 OR BUILT IN SLAM SHUT VALVE SSX 176 9 4 5 1 BUILT IN MONITOR PM 176 O SSX 176 DN 1 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 70 33 6 48 46 45 11 10 35 60 34 37 19 58 60 32 61 Fig 9 46 Built in monitor PM 176 or SSX 176 DN 1 ...

Page 161: ...4 9 Remove the diaphragm plug assembly 9 10 11 50 from the downstream cover 3 10 Position the plug 9 from the downstream side on a shockproof surface NOTICE Take care not to damage the plug 9 11 Undo and remove the screws 36 NOTICE During this phase prop up the diaphragm holder 11 12 Remove the diaphragm holder 10 from the plug 9 13 Remove and replace the diaphragm 50 14 Remove the O ring 45 and r...

Page 162: ...arning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 70 33 6 48 46 45 11 10 35 60 34 37 19 58 60 32 61 Built in monitor PM 176 or SSX 176 DN 1 ...

Page 163: ... NOTICE Before fitting the replacement I DWR ring clean the retaining slots with a cleaning solution 26 Turn the downstream cover assembly 3 and the downstream mouthpiece 4 upside down placing the down stream cover on an impact resistant surface 27 Undo the screws 32 together with the washers 61 28 Remove the mouthpiece 70 29 Remove the reinforced gasket assembly 4 5 6 7 8 33 43 from the mouthpiec...

Page 164: ...arning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 70 33 6 48 46 45 11 10 35 60 34 37 19 58 60 32 61 Built in monitor PM 176 or SSX 176 DN 1 ...

Page 165: ...uthpiece 1 in the plug 9 NOTICE Take care not to damage the O ring 48 the I DWR 52 44 Insert and fasten the screws 34 1 in the two threaded holes of the downstream cover 3 to compress the spring 54 and hold the upstream mouthpiece 1 parallel to the downstream cover 3 according to the tight ening torque DN 1 tab 9 74 NOTICE Take care not to tilt the upstream mouthpiece 1 when tightening the screws ...

Page 166: ...arning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 54 36 50 3 15 44 47 12 16 42 13 14 42 41 52 8 7 43 5 70 33 6 48 46 45 11 10 35 60 34 37 19 58 60 32 61 Built in monitor PM 176 or SSX 176 DN 1 ...

Page 167: ... left diaphragm holder 10 52 Insert and screw the indicator rod guide 12 into the downstream cover 3 53 Insert and secure the stroke indicator cap 13 together with the indicator slide 14 in the indicator rod guide 12 Tab 9 94 NOTICE After maintenance reposition the regulator and spacer if present in line following the procedure indicat ed in section 6 5 Installation procedure WARNING Ensure that a...

Page 168: ...GULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 5 2 BUILT IN MONITOR PM 176 OR SSX 176 2 6 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 70 6 5 33 43 48 46 60 35 34 19 31 58 35 60 45 11 10 37 32 61 34 1 Fig 9 47 Built in monitor PM 176 DN o SSX 176 2 6 ...

Page 169: ... cover 3 8 Separate the upstream cover 2 from the downstream cover 3 NOTICE Place the upstream cover 2 on the side of the upstream mouthpiece 1 9 Remove the spring 54 10 Remove the diaphragm plug assembly 9 10 11 50 from the downstream cover 3 11 Position the plug 9 from the downstream side on a shockproof surface NOTICE Take care not to damage the plug 9 12 Undo and remove the screws 36 NOTICE Du...

Page 170: ...structions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 70 6 5 33 43 48 46 60 35 34 19 31 58 35 60 45 11 10 37 32 61 34 1 Built in monitor PM 176 DN or SSX 176 2 6 ...

Page 171: ...ith a cleaning solution 26 Remove and replace the I DWR ring 52 from the upstream mouthpiece 1 NOTICE Before fitting the replacement I DWR ring clean the retaining slots with a cleaning solution 27 Place upstream cover 2 in upstream mouthpiece 1 28 Insert and fix the screws 31 according to the following tightening torque DN 2 tab 9 75 DN 3 tab 9 76 DN 4 tab 9 77 DN 6 tab 9 78 NOTICE Tighten the sc...

Page 172: ...structions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 70 6 5 33 43 48 46 60 35 34 19 31 58 35 60 45 11 10 37 32 61 34 1 Built in monitor PM 176 DN or SSX 176 2 6 ...

Page 173: ...ocking ring 6 according to the tightening torque DN 2 tab 9 75 DN 3 tab 9 76 DN 4 tab 9 77 DN 6 tab 9 78 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 41 Remove and replace the O ring 41 from the downstream cover 3 lubricating it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 42 Place the reinf...

Page 174: ...structions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 9 52 48 40 54 2 36 50 3 15 44 47 12 16 13 42 14 42 41 52 8 7 70 6 5 33 43 48 46 60 35 34 19 31 58 35 60 45 11 10 37 32 61 34 1 Built in monitor PM 176 DN or SSX 176 2 6 ...

Page 175: ... diagram in paragraph 9 4 2 2 51 Rotate the regulator resting the downstream mouthpiece 4 on a shockproof surface 52 Remove and replace the O rings 42 44 47 from the indicator rod guide 12 lubricating them with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 53 Remove and replace the O ring 42 from the stroke indicator cap 13 lubr...

Page 176: ...IONAL CHECKS REV 00 DOWNSTREAM SENSING ELEMENT VENT UP STREAM SENSING ELEMENT LOADING 9 4 6 PILOT MAINTENANCE PROCEDURE 200 A SERIES PRE REGULATOR R14 A 9 4 6 1 200 A SERIES PILOT DISCONNECTION SFIATO VENT 1 6 7 20 5 4 2 3 B A MOTORIZZAZIONE IMPULSO A VALLE IMPULSO DI MONTE Fig 9 48 200 A series pilot ...

Page 177: ...ction 1 Disconnect the sensing lines between the 200 A pilot and the regulator by adjusting the fittings 1 2 3 2 Unscrew and remove the fixing screw to remove the pilot 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 5 Undo and remove the screw 7 from pilot 200 A Tab 9 96 ...

Page 178: ...8 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG 9 4 6 2 PILOT 204 A 205 A Fig 9 49 Pilot 204 A 205 A ...

Page 179: ...ricate 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 plug...

Page 180: ...180 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG Pilot 204 A 205 A ...

Page 181: ...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 Screw in the nut 26 according to the following tightening torque Pilot 204 A 205 A tab 9 79 35 Fit the spring 20 36 Fit the cover 1 37 Insert and fix the scr...

Page 182: ... ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG 9 4 6 3 PILOT 207 A 1 24 4 14 24 Fig 9 50 Pilot 207 A ...

Page 183: ...Remove the O ring 26 1 from the nut 26 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 Unscrew and remove the pilot nut 2 16 Remove the spring 21 17 Remove and replace the plug 17 18 Remove and replace the upper diaphragm 16 19 Remove assembly B valve 20 Remove the O rings 28 29 fr...

Page 184: ...184 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG 1 24 4 14 24 Pilot 207 A ...

Page 185: ...an the retaining slots with a cleaning solution 29 Put the plug 17 and then the spring 21 back in place 30 Refit and fix the pilot nut 2 according to the following tightening torque Pilot 207 A tab 9 80 31 Fit the spring 20 32 Fit the cover 1 33 Insert and fix the screws of the upper section 24 according to the following tightening torque Pilot 207 A tab 9 80 34 Fit the sleeve 6 and the bracket 14...

Page 186: ... ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 B ASSEMBLY CAP A ASSEMBLY PLUG 9 4 6 5 PRE REGULATOR R14 A Fig 9 51 Pre regulator R14 A ...

Page 187: ...orque R14 A tab 9 81 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 ring 8 15 Remove the O ring 20 from the plug guide 3 and replace it...

Page 188: ...188 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 B ASSEMBLY CAP A ASSEMBLY PLUG Pre regulator R14 A ...

Page 189: ...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 81 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Tab 9 99 WARNING Ensure that all ...

Page 190: ...RE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 DOWNSTREAM SENSING ELEMENT VENT UP STREAM SENSING ELEMENT LOADING 9 4 6 6 200 A SERIES PILOT RECONNECTION SFIATO VENT 1 6 7 20 5 4 2 3 B A MOTORIZZAZIONE IMPULSO A VALLE IMPULSO DI MONTE Fig 9 52 200 A series pilot ...

Page 191: ...the screw 7 to the 200 A pilot 2 Insert and fix the screw 6 to connect the R14 A pre regulator to the 200 A pilot 3 Connect the pipe 20 by adjusting the fittings 4 5 4 Insert and fix the fixing screw to connect the pilot to the regulator 5 Connect the sensing lines between the pilot and the regulator by adjusting the fittings 1 2 3 Tab 9 100 WARNING Ensure that all parts have been fitted correctly...

Page 192: ...ing instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 7 M A ACCELERATING VALVE MAINTENANCE PROCEDURE 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 53 M A accelerating valve ...

Page 193: ...Before inserting the replacement I DWR 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 12 b...

Page 194: ...76 EN Use maintenance and warning instructions HIGH 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 195: ...1 12 25 29 31 NOTICE 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 an...

Page 196: ... instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 8 MAINTENANCE PROCEDURE FOR PRESSURE SWITCHES MODELS 102M 102MH 105M 105MH 9 4 8 1 PRESSURE SWITCH MOD 102M 102MH Mod 102 Fig 9 54 Pressure switch Mod 102M 102MH ...

Page 197: ...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 Fit the di...

Page 198: ...198 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 102 Pressure switch Mod 102M 102MH ...

Page 199: ...and fasten screws 48 according to torque Mod 102M 102MH tab 9 82 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 82 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 29 Completel...

Page 200: ...X 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 8 2 PRESSURE SWITCH MOD 103M 103MH Mod 103 103MH Fig 9 55 Pressure switch Mod 103M 103MH ...

Page 201: ...sing 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 50...

Page 202: ...202 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 103 103MH Pressure switch Mod 103M 103MH ...

Page 203: ...x the screws 46 according to the following tightening torque Mod 103M 103MH tab 9 83 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 83 NOTICE Tighten the screws according ...

Page 204: ...nance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 8 3 PRESSURE SWITCH MOD 104M 104MH 105M 105MH Mod 104M 104MH Mod 105M 105MH Fig 9 56 Pressure switch Mod 104M 104MH 105M 105MH ...

Page 205: ... 42 8 Remove the upper cover 40 together with the piston 44 9 Pull the piston 44 out of the upper cover 40 10 Remove the O rings 43 50 from the upper cover 40 and replace it taking care to lubricate it with synthetic grease NOTICE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 11 Refit the piston 44 into the upper cover 40 12 Undo and remove the screws ...

Page 206: ...206 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 104M 104MH Mod 105M 105MH Pressure switch Mod 104M 104MH 105M 105MH ...

Page 207: ... 42 according to the following tightening torques Mod 104M 104MH 105M 105MH tab 9 84 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 22 Completely release the maximum pressure spring 11 by adjusting the ring nut 13 NOTICE For spring calibration please refer to chapter 13 Calibration tables 23 Completely release the minimum pressure spring 17 by turning the ring nut 15...

Page 208: ...CTIONAL CHECKS REV 00 UPSTREAM SENS ING ELEMENT BYPASS DOWNSTREAM SENSING ELEMENT CONTROL PRESSURE 9 4 9 LINE OFF 2 0 MAINTENANCE PROCEDURE 9 4 9 1 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 57 LINE OFF 2 0 ...

Page 209: ...crew 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 safety valve VS FI and adjust the fitting 11 8 Remove assembly E valve 3 2 and control pressure switch from assembly...

Page 210: ...se maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 9 2 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 58 HP2 2 bypass device ...

Page 211: ... 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 O rings ...

Page 212: ...212 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 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 213: ...he 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 85 NOTICE Tighten the screws according to the cross diagram in paragraph 9 4 2 ...

Page 214: ...SSEMBLY VALVE A ASSEMBLY PLUG 9 4 9 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 59 Pressure regulator R44 SS ...

Page 215: ...eeve 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 17...

Page 216: ...NAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG 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 ...

Page 217: ...e 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 it...

Page 218: ...NAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG 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 ...

Page 219: ... 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 86 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 86 59 In...

Page 220: ...NAL CHECKS REV 00 B ASSEMBLY VALVE A ASSEMBLY PLUG 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 ...

Page 221: ...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 back in place 71 Insert and fix the screws 24 according to the following tightening torque R44 SS tab 9 86 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 222: ...e inserting the replacement O rings clean the retaining slots with a cleaning solution 3 Undo and remove the locking screw 4 4 Remove the O ring 7 from the shut off screw 4 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 5 Remove the adjusting screw 3 6 Remove the O ring 7 from the ad...

Page 223: ...9 Remove and replace the filter 5 10 Fit and fix the cap 2 according to the following tightening torque AR100 tab 9 87 NOTICE Take care not to damage the O rings 6 7 11 Insert the adjusting screw 3 taking care not to damage the O ring 7 12 Fit and fix the shut off screw 4 according to the following tightening torque AR100 tab 9 87 NOTICE Take care not to damage the O ring 7 13 Insert the locking s...

Page 224: ... Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 9 5 SAFETY VALVE VS FI FOR LINE OFF 2 0 8 1 3 2 4 9 5 6 7 8 Fig 9 61 Safety valve VS FI for LINE OFF 2 0 ...

Page 225: ...ing 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 Inser...

Page 226: ...ions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 9 4 9 7 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 62 Valve 3 2 SECT A A SECT B B DETAIL C ...

Page 227: ...ots 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 cl...

Page 228: ...rning instructions HIGH 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 229: ...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 and ...

Page 230: ...rning instructions HIGH 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 231: ...y 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 disch...

Page 232: ...R MAINTENANCE AND FUNCTIONAL CHECKS REV 00 UPSTREAM SENS ING ELEMENT BYPASS DOWNSTREAM SENSING ELEMENT CONTROL PRESSURE 9 4 9 8 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 63 LINE OFF 2 0 ...

Page 233: ...ve 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 together with the fittings 1 2 3 4 Tab 9 111 9 4 10 PROCEDURE F...

Page 234: ...234 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV 00 ...

Page 235: ...ut 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 th...

Page 236: ...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 10 112 10 3 TROUBLESHO...

Page 237: ...lace if needed Breakage of the diaphragm 50 Replace Transfer hole 19 obstructed Clean O ring 46 friction Lubricate and replace if neces sary O ring 45 friction Lubricate and replace if neces sary O ring 44 friction Lubricate and replace if neces sary O ring 47 friction Lubricate and replace if neces sary SG out of class due to dirty or worn reinforced gasket 7 Clean and replace if needed R14 PRE R...

Page 238: ... diaphragm 16 dam aged Replace Dirty or worn plug 17 Clean and replace if needed Downstream pressure increases on delivery REGULATOR Reinforced gasket 7 dirty or damaged Clean and replace if needed Ice between reinforced gasket 7 and plug 9 Increase the regulator gas inlet temperature O ring 43 not sealing Clean and replace if needed O ring 48 not sealing Clean and replace if needed Plug locked 9 ...

Page 239: ...eam pressure Check clogging of line filter cartridges Ice formation Increasing the gas tempera ture at the regulator inlet O ring 48 not sealing Clean and replace if needed R14 PRE REGULATOR Diaphragm 10 damaged Replace 200 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 Cle...

Page 240: ...ry SG out of class due to dirty or worn reinforced gasket 7 Clean and replace if needed 200 A SERIES PILOT Dirty or worn plug 17 Clean and replace if needed Diaphragm holder assembly fric tion 16 Centring the movement of the bore assembly and shaft 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 ...

Page 241: ... Downstream sensing line obstruct ed Clean Downstream pressure decreases on delivery PM 176 Breakage of the diaphragm 50 Replace O ring 48 not sealing Clean and replace if needed I DWR friction 52 Lubricate and replace if necessary Plug 9 locked Clean No upstream pressure Check clogging of line filter cartridges Ice formation Increasing the gas tempera ture at the regulator inlet O ring 48 not sea...

Page 242: ...mpossible to reset SSX 176 Plug 9 locked due to friction Clean and lubricate O ring friction 48 Lubricate and replace if necessary I DWR friction 52 Lubricate and replace if necessary Breakage of the diaphragm 50 Replace Bypass not performed Press the HP2 2 button Obstructed vents Clean PRESSURE SWITCHES MOD 100 Incorrect calibration of maxi mum and or minimum spring Carry out the calibration agai...

Page 243: ...ean and replace if needed Balancing piston 42 locked Clean and lubricate O ring 62 not sealing Clean and replace if needed VS FI No sealing Check and clean if neces sary VALVE 3 2 External O rings 46 not seal ing Clean and replace if needed O ring 47 not sealing Clean and replace if needed O ring seal 48 not sealing Clean and replace if needed Gasket 16 dirty or damaged Clean and replace if needed...

Page 244: ...t sealing Clean and replace if needed VS FI Pad 3 not sealing Clean and replace if needed VALVE 3 2 Gasket 16 locked Clean and replace if needed External O rings 46 not seal ing Clean and replace if needed O ring seal 47 not sealing Clean and replace if needed O ring 48 not sealing Clean and replace if needed Downstream pressure increase with slam shut device shutting off SSX 176 Reinforced gasket...

Page 245: ...isk 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 11 117 11 3 UNINSTALLAT...

Page 246: ...ier recycling through separate collection 3 Send the materials obtained in Step 2 to a specialised company Tab 11 118 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 ...

Page 247: ...pare 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 248: ...248 ASX 176 EN Use maintenance and warning instructions HIGH PRESSURE REGULATOR RECOMMENDED SPARE PARTS REV 00 ...

Page 249: ...1 43 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 120 Pilot 205 A Pos Spring item code Spring colour d Lo De Min Max 1 2702820 Blue 7 100 35 20 30 2 2703045 Brown 7 5 30 001 44 3 2703224 Grey 8 44 001 60 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 121 Pilot 207 A Pos Spring item code Spring colour d Lo De ...

Page 250: ...ressure Pos Spring item code Spring colour d Lo De Min Max 1 2700713 Green 2 3 40 15 0 2 0 4 2 2700750 Black 2 5 0 401 0 8 3 2700985 Brown 3 0 801 2 8 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 125 Mod 102MH Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700985 Brown 3 40 15 2 8 4 2 2 2700980 Blue 3 35 3 2700985 Brown 3 40 4 201 5...

Page 251: ...mm De External Diameter mm Min Max pressure bar Tab 13 129 Mod 104M 104MH Max pressure Pos Spring item code Spring colour d Lo De Min Max 1 2702280 White Red 5 5 60 35 15 001 30 2 2702454 Fuchsia 6 70 30 001 45 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 130 Mod 104M Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700713 Green 2 3 4...

Page 252: ...ar Tab 13 133 Mod 105M Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700713 Green 2 3 40 15 3 7 2 2700750 Black 2 5 7 001 16 3 2700985 Brown 3 16 001 44 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 134 Mod 105MH Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700985 Brown 3 40 15 44 60 2 2700980 Blue 3 35 3 27009...

Page 253: ...253 ASX 176 ...

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