PIETRO FIORENTINI Dival 600 User Manual Download Page 149 | Manualshive

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149

DIV

AL 600

Use, maintenance and warning instructions

MEDIUM PRESSURE REGULATOR

|

RECOMMENDED SPARE PARTS

|

REV. A

EN

12 - RECOMMENDED SPARE PARTS

12.1 - GENERAL WARNINGS

NOTICE!

If non-original 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.

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Summary of Contents for Dival 600

Page 1: ...Dival 600 Revision A EN Medium low pressure gas regulator USE MAINTENANCE AND WARNING INSTRUCTIONS EN...

Page 2: ...2 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV A...

Page 3: ...e 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 instruct...

Page 4: ...4 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV A...

Page 5: ...5 DIVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV A EN 1 1 REVISION HISTORY Revision index Date Revision contents A 10 2022 Tab 1 1...

Page 6: ...2 6 ADDRESSEES SUPPLY AND STORAGE OF THE INSTRUCTION MANUAL 13 2 7 LANGUAGE 13 2 8 NAMEPLATES APPLIED 14 2 8 1 GLOSSARY FOR NAMEPLATES 15 2 9 GLOSSARY OF UNITS OF MEASUREMENT 16 2 10 QUALIFIED PROFESS...

Page 7: ...ACCESSORIES 34 4 5 3 REGULATOR WITH MONITOR FUNCTION 36 4 5 4 SLAM SHUT VALVE 39 4 5 4 1 LA INCORPORATED SLAM SHUT VALVE 40 5 TRANSPORT AND HANDLING 43 5 1 SPECIFIC WARNINGS FOR TRANSPORT AND HANDLIN...

Page 8: ...GS 67 8 1 1 SAFETY REQUIREMENTS FOR COMMISSIONING 67 8 2 PRELIMINARY PROCEDURES FOR COMMISSIONING 68 8 3 PROPER COMMISSIONING CHECK 69 8 4 CALIBRATION OF EQUIPMENT AND ACCESSORIES INSTALLED 69 8 5 REG...

Page 9: ...9 4 8 LA SLAM SHUT VALVE 130 9 4 10 PROCEDURE FOR RECOMMISSIONING AFTER MAINTENANCE 142 10 TROUBLESHOOTING 143 10 1 GENERAL WARNINGS 143 10 2 OPERATOR QUALIFICATION SPECIFICATION 144 10 3 TROUBLESHOOT...

Page 10: ...10 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV A...

Page 11: ...t 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 ope...

Page 12: ...nd 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 no...

Page 13: ...ment WARNING Removing rewriting or editing the pages of the manual and their contents is not allowed Keep the instruction manual near the equipment in an accessible place known by all qualified techni...

Page 14: ...tify PIETRO FIORENTINI S p A The equipment and its accessories are provided with nameplates from Id 1 to Id 2 The nameplates specify identification details of the equipment and its accessories to be p...

Page 15: ...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 va...

Page 16: ...ot replacing the components Tab 2 6 2 9 GLOSSARY OF UNITS OF MEASUREMENT Type of measurement Unit of measurement Description Volumetric flow rate Sm h Standard cubic metres per hour Scfh Standard cubi...

Page 17: ...e 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 cha...

Page 18: ...18 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR GENERAL INFORMATION REV A...

Page 19: ...TION 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 intoxicat...

Page 20: ...nt 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 c...

Page 21: ...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 c...

Page 22: ...llic pressurised 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...

Page 23: ...on the device 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 e...

Page 24: ...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 standards EN 12186 a...

Page 25: ...ea 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 requireme...

Page 26: ...essure 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...

Page 27: ...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 noi...

Page 28: ...28 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR SAFETY REV A...

Page 29: ...he downstream value stable even 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...

Page 30: ...EV A 4 1 1 REGULATOR REACTION MODES The DIVAL 600 equipment is a direct acting regulator with a fail open reaction on opening reaction that is it opens in the event of breakage of main diaphragm downs...

Page 31: ...e mobile equipment is balanced The DIVAL 600 regulator is equipped with two anti pumping valves 6 7 are located in the sensing line of downstream pressure Pd and at the top of the regulator head The a...

Page 32: ...ns the use of the equipment in a way not foreseen in the design phase but which can result from readily predictable human behaviour corrosive fluids fluids not properly treated upstream liquids instin...

Page 33: ...Inlet gas temperature range 20 C 60 C Inlet pressure range bpu Pd 0 1 bar to 20 bar Possible regulation range Wd 0 012 4 2 bar Minimum differential pressure 0 1 bar Accuracy class AC up to 5 depending...

Page 34: ...s Tab 4 18 4 5 2 ACCESSORIES The DIVAL 600 equipment can have different configurations through the installation of the following accessories Regulator with monitor function LA incorporated slam shut v...

Page 35: ...35 DIVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR DESCRIPTION AND OPERATION REV A EN...

Page 36: ...the downstream pressure value Pd within the preset limits in case of failure of the main regulator The regulator with monitor function is installed upstream of the main pressure regulator The regulato...

Page 37: ...RATION REV A EN OPERATION IN STAND BY CONDITIONS The regulator with monitor function is open during normal operation since it is calibrated higher than the calibration of the main regulator 2 Upstream...

Page 38: ...e Pd within the established limit for its calibration If during operation the following should occur Operating conditions Operating consequences Concluding outcome Decrease in downstream pres sure Pd...

Page 39: ...hut valve is a safety device 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 incorporated in the regul...

Page 40: ...ring support 4 Rod 9 Control shaft 5 Diaphragm 10 Sensor Tab 4 22 OPERATION In the control head C the downstream pressure Pd acts on the diaphragm 5 which integral with the control shaft 9 receives an...

Page 41: ...IVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR DESCRIPTION AND OPERATION REV A EN Upstream pressure Downstream pressure Fig 4 6 DIVAL 600 with incorporated LA slam shut va...

Page 42: ...42 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR DESCRIPTION AND OPERATION REV A...

Page 43: ...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 wi...

Page 44: ...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 FI...

Page 45: ...45 DIVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV A EN...

Page 46: ...physical characteristics DIVAL 600 overall dimensions Size inches 1 1 1 2 2 2 NPT Nominal diameter mm 25 40 50 G 2 S 183 222 254 152 4 280 280 280 280 A 145 145 145 145 B 346 346 346 346 B1 472 472 47...

Page 47: ...Overall dimensions DIVAL 600 LA Size inches 1 1 1 2 2 2 NPT Nominal diameter mm 25 40 50 G 2 S 183 222 254 152 4 280 280 280 280 A 145 145 145 145 B 346 346 346 346 B1 472 472 472 472 C 198 210 210 21...

Page 48: ...e 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 maximu...

Page 49: ...vvantaggiare il momento ribaltante e garantire una maggiore stabilit del carico durante il trasporto Adeguare la velocit d brusche 7 Posizionare il carico n Sollevare le forche fi Nota se necessario f...

Page 50: ...tro delle forche di sollevamento Inclinare il montante all indietro verso il posto guida per avvantaggiare il momento ribaltante e garantire una maggiore stabilit del carico durante il trasporto Adegu...

Page 51: ...en 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 us...

Page 52: ...Tab 5 31 To unpack the equipment in a cardboard box proceed as described in Tab 5 32 Step Action Image 1 Remove the straps A B A A A 2 Remove the packaging cardboard B 3 Remove the fasteners that sec...

Page 53: ...5 1 Pre 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 33 5 5 1 PRE INSTALLAT...

Page 54: ...54 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TRANSPORT AND HANDLING REV A...

Page 55: ...equipment 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 proper...

Page 56: ...red 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...

Page 57: ...e 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...

Page 58: ...to the gas flow direction In line installation there must be see Fig 6 9 and 6 10 Pos Description 1 1 shut off valve upstream of the equipment 2 2 vent valves one upstream and one downstream of the eq...

Page 59: ...ording 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 th...

Page 60: ...For installation after maintenance replace the seals 6 5 2 CONNECTION OF THE SENSING LINES TO THE DOWNSTREAM PIPING Fig 6 13 Connection of sensing lines to the downstream piping For proper adjustment...

Page 61: ...matic 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 th...

Page 62: ...and 6 to the sensing lines of the slam shut valve when present 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 regulat...

Page 63: ...s 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...

Page 64: ...COMMISSIONING AND MAINTENANCE EQUIPMENT REV A 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...

Page 65: ...e 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 39 DIVAL 600 REGULATOR WITH IN LINE MO...

Page 66: ...66 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING AND MAINTENANCE EQUIPMENT REV A...

Page 67: ...ction LA incorporated slam shut valve are supplied already calibrated NOTICE It is possible that for various reasons e g vibrations during transport the calibration of the equipment s accessories may...

Page 68: ...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 t...

Page 69: ...ming solution or equivalent control system in order to check the tightness of the external surfaces of the regulator and the connections made during the installation 8 4 CALIBRATION OF EQUIPMENT AND A...

Page 70: ...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...

Page 71: ...3 downstream pressure value Pd higher than required calibration value load the setting spring by turning the adjustment ring nut anti clockwise 3 b AFTER MAINTENANCE OF THE REGULATION LINE load the s...

Page 72: ...WITH IN LINE MONITOR FUNCTION NOTICE VALID FOR REGULATORS WITH DOWNSTREAM PRESSURE UP TO 80mbar The setting spring 328 1 of the main regulator 1 must allow you to obtain the downstream pressure val ue...

Page 73: ...or 1 clockwise NOTICE If the setting spring of the main regulator 1 does not reach a sufficient pressure to trip the regu lator with in line monitor function 2 pressurise the chamber A by using an ext...

Page 74: ...he regulator with in line monitor function 2 is fully open 100 NOTICE The regulator with in line monitor function 2 is fully open when the pressure indicated on the intermediate pressure gauge 4 is th...

Page 75: ...of the malfunctions Check the pressure referring to the downstream pressure gauge 5 19 Using a foaming agent check all the joints between shut off valves V1 V2 for proper sealing 20 In case of extern...

Page 76: ...vice the regulator with in line monitor function 2 you may pressurise the chamber A of the control head of the main regulator 1 by using an external source Pressurisation can be done with external lin...

Page 77: ...77 DIVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV A EN...

Page 78: ...regulator with LA slam shut valve Step Action 1 Check that the slam shut valve is in the shut off position 2 Open the bleed cock 6 to fully discharge the downstream section 3 Slowly open the upstream...

Page 79: ...first line pressurisation phase the pressure on the downstream pressure gauge 5 could exceed the required calibration value depending on the response time of the regulator 77 Open the upstream shut of...

Page 80: ...ves V1 V2 NOTICE Check for leaks with a foaming agent 14 If external leaks are noticed eliminate the leak points and repeat the procedure from step 7 15 Open downstream shut off valve V2 very slowly u...

Page 81: ...81 DIVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV A EN...

Page 82: ...ce and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV A 8 7 3 PROCEDURE FOR CALIBRATING THE PRESSURE SWITCH FOR THE LA INCORPORAT ED SLAM SHUT VALVE Fig 8 20 Calibration of pressure...

Page 83: ...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...

Page 84: ...nce and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV A Fig 8 20 Calibration of pressure switch for LA slam shut valve 18 328 354 Fig 8 21 Pressurising with external source for inco...

Page 85: ...valve trips at the preset value proceed as follows 1 Close the air vent valve fig 8 16 ref 6 2 Position the regulation spring fig 8 21 ref 328 the closing cap fig 8 21 ref 354 and adjustment ring nut...

Page 86: ...lam shut valve NOTICE In case of leaks please refer to the chapter 10 Troubleshooting to clear the causes of mal functions 55 Make sure that the bleed cock 6 is partially open 66 Slowly pressurise the...

Page 87: ...ith external source NOTICE The value of the pressure introduced by the external source can be up to 50 more than the calibration value of the regulator with in line monitor function 2 1414 Check that...

Page 88: ...t the regulator with in line monitor function 2 is fully open 100 NOTICE The regulator with monitor function 2 is fully open when the pressure indicated on the inter mediate pressure gauge 4 is the sa...

Page 89: ...uge 5 26 Using a foaming agent check all the joints between shut off valves V1 V2 for proper sealing 27 If external leaks are noticed eliminate the leak points and repeat the procedure from step 10 28...

Page 90: ...slam shut valve Turn the ring nut 13 for maximum tripping 11 anti clockwise to decrease the slam shut device tripping pressure clockwise to increase the slam shut device tripping pressure Turn the rin...

Page 91: ...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 a...

Page 92: ...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 in...

Page 93: ...not require any manual intervention on the individual equipment Some items thereof can be replaced remotely using suitable remote control tools The following is listed below Activity description Equip...

Page 94: ...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 upstr...

Page 95: ...rt description Evaluation criterion Minimum replacement frequency 1 Valve seat sealing rings and non metallic plugs Pressure regulators 6 years Safety devices Pressure safety system equipment 1 Non me...

Page 96: ...ic 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...

Page 97: ...ING 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 p...

Page 98: ...e maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 1 TIGHTENING TORQUES 9 4 1 1 TIGHTENING TORQUES FOR DIVAL 600 REGULATOR Fig 9 24 Tightening...

Page 99: ...L CHECKS REV A EN DIVAL 600 1 1 1 2 2 BP MP TR HEADS Pos Description Torque Nm Torque ft lb 2 Valve seat 50 36 4 Screw M5x14 UNI 5931 4 2 48 Screw M5x12 UNI 8111 4 2 103 Screw M8X25 UNI 5931 14 10 211...

Page 100: ...intenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 1 2 TIGHTENING TORQUES OF REGULATOR WITH MONITOR FUNCTION Fig 9 25 Regulator with monitor funct...

Page 101: ...NAL CHECKS REV A EN DIVAL 600 WITH MONITOR FUNCTION Pos Description Torque Nm Torque ft lb 2 Valve seat 50 36 4 Screw M5x14 UNI 5931 4 2 48 Screw M5x12 UNI 8111 4 2 103 Screw M8X25 UNI 5931 14 10 211...

Page 102: ...ntenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 1 3 TIGHTENING TORQUE LA SLAM SHUT VALVE A A 511 513 505 628 632 521 625 Fig 9 26 LA Slam shut v...

Page 103: ...CE AND FUNCTIONAL CHECKS REV A EN LA 1 1 1 2 2 BP MP TR HEADS Pos Description Torque Nm Torque ft lb 505 Rod guide 4 5 3 3 511 TSC M5X20 TORX screw 2 5 1 8 513 M4 nut UNI 5588 1 5 0 8 521 TGS M4X27 TO...

Page 104: ...104 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A...

Page 105: ...shut off upstream and downstream and discharged ATTENTION During assembly make sure to tighten the screws as per the tables tightening torques according to the size for which maintenance is being carr...

Page 106: ...Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 5 REGULATOR DIVAL 600 9 4 5 1 DIVAL 600 REGULATOR 1 BP MP HEAD Fig 9 28 DIVAL 600 Regula...

Page 107: ...111 Unscrew and remove the locking nut 332 1212 Pull out the spring 331 of the relief valve 1313 Pull the diaphragm support assembly 321 322 323 324 off the rod 302 1414 Remove the O ring 303 and repl...

Page 108: ...108 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 Regulator 1 BP MP head...

Page 109: ...e to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 32 Slide off the diaphragm protection disc 207 NOTICE During t...

Page 110: ...110 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 Regulator 1 BP MP head...

Page 111: ...ancing block B in the housing C 48 Insert and fasten the screws 103 that secure the control head A to the body C according to the tightening torques Tab 9 57 NOTICE Screw in as shown in the diagram at...

Page 112: ...112 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 5 2 DIVAL 600 REGULATOR 1 TR HEAD Fig 9 29 DIVAL 600 Regulator1 TR head...

Page 113: ...rew and remove the locking nut 332 1212 Pull out the spring 331 of the relief valve 1313 Pull the diaphragm support assembly 321 322 323 324 off the rod 302 1414 Remove the O ring 303 and replace it t...

Page 114: ...114 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 Regulator 1 TR head...

Page 115: ...are to lubricate it with synthetic grease NOTICE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 32 Unscrew the diaphragm protection disc 207 NOTICE During t...

Page 116: ...116 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 Regulator 1 TR head...

Page 117: ...nsert and fasten the screws 103 that secure the control head A to the body C according to the tightening torques Tab 9 57 NOTICE Screw in as shown in the diagram at 9 4 3 2 Cross diagram for tightenin...

Page 118: ...600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 5 3 DIVAL 600 REGULATOR 1 1 2 2 BP MP HEAD Fig 9 30 DIVAL 600 regulator 1 1 2 2 B...

Page 119: ...and remove the locking nut 332 1212 Pull out the spring 331 of the relief valve 1313 Pull the diaphragm support assembly 321 322 323 324 off the rod 302 1414 Remove the O ring 303 and replace it taki...

Page 120: ...120 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 regulator 1 1 2 2 BP MP head...

Page 121: ...ng slots with a cleaning solution 30 Unscrew the diaphragm protection disc 207 NOTICE During this phase keep the rod 203 still 31 Slide the rod guide 201 off the rod 203 32 Remove the O ring 202 and r...

Page 122: ...122 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 regulator 1 1 2 2 BP MP head...

Page 123: ...ead A to the body C according to the tightening torques Tab 9 57 NOTICE Screw in as shown in the diagram at 9 4 3 2 Cross diagram for tightening screws 46 Insert the regulation spring 328 47 Insert an...

Page 124: ...VAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 5 4 DIVAL 600 REGULATOR 1 1 2 2 TR HEAD Fig 9 31 DIVAL 600 Regulator 1 1 2 2 T...

Page 125: ...rew and remove the locking nut 332 1212 Pull out the spring 331 of the relief valve 1313 Pull the diaphragm support assembly 321 322 323 324 off the rod 302 1414 Remove the O ring 303 and replace it t...

Page 126: ...126 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 Regulator 1 1 2 2 TR head...

Page 127: ...ng slots with a cleaning solution 30 Unscrew the diaphragm protection disc 207 NOTICE During this phase keep the rod 203 still 31 Slide the rod guide 201 off the rod 203 32 Remove the O ring 202 and r...

Page 128: ...128 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A DIVAL 600 Regulator 1 1 2 2 TR head...

Page 129: ...tightening torques Tab 9 58 NOTICE Screw in as shown in the diagram at 9 4 3 2 Cross diagram for tightening screws 46 Insert the regulation spring 328 47 Insert the spring guide disc 610 together wit...

Page 130: ...Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 8 LA SLAM SHUT VALVE 9 4 8 1 LA SLAM SHUT VALVE 1 2 BP MP Fig 9 32 LA slam shut valve 1 2...

Page 131: ...ing 622 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 88 Unscrew and remove the cap...

Page 132: ...132 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A LA slam shut valve 1 2 BP MP 1 1 1 2 2...

Page 133: ...cording to the tightening torques Tab 9 59 NOTICE Apply threadlocker glue 29 APPLICABLE TO SIZES 1 1 2 2 ONLY Position the flange 623 in the body 501 30 APPLICABLE TO SIZES 1 1 2 2 ONLY Insert and fix...

Page 134: ...134 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A LA slam shut valve 1 2 BP MP 1 1 1 2 2...

Page 135: ...20 51 Insert and secure the clamping screw 521 in the diaphragm holder according to the tightening torques Tab 9 59 52 Place diaphragm assembly 53 Insert cover 550 into body 501 54 Insert and fix the...

Page 136: ...36 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 8 2 LA SLAM SHUT VALVE 1 2 TR Fig 9 33 LA slam shut valve 1 2 TR 1 1 1 2...

Page 137: ...ion 77 Remove the O ring 622 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 88 Unscr...

Page 138: ...138 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A LA slam shut valve 1 2 TR 1 1 1 2 2...

Page 139: ...cording to the tightening torques Tab 9 59 NOTICE Apply threadlocker glue 29 APPLICABLE TO SIZES 1 1 2 2 ONLY Position the flange 623 in the body 501 30 APPLICABLE TO SIZES 1 1 2 2 ONLY Insert and fix...

Page 140: ...140 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A LA slam shut valve 1 2 TR 1 1 1 2 2...

Page 141: ...ion washer 519 50 Set compression bushing 520 51 Insert and secure the clamping screw 521 in the diaphragm holder according to the tightening torques Tab 9 59 52 Place diaphragm assembly 53 Insert cov...

Page 142: ...ctions MEDIUM PRESSURE REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV A 9 4 10 PROCEDURE FOR RECOMMISSIONING AFTER MAINTENANCE NOTICE For the re commissioning procedure please follow the instructions...

Page 143: ...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 relat...

Page 144: ...k 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...

Page 145: ...ream volumes Increase the volume Downstream pressure increases on delivery Broken or damaged diaphragm 321 Replace Broken or damaged diaphragm 209 Replace Tab 10 68 10 4 2 LA SLAM SHUT VALVE TROUBLESH...

Page 146: ...146 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR TROUBLESHOOTING REV A...

Page 147: ...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 installa...

Page 148: ...ing through separate collection 33 Send the materials obtained in Step 2 to a specialised company Tab 11 71 The equipment in any configuration consists of the following materials Material Disposal rec...

Page 149: ...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...

Page 150: ...150 DIVAL 600 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR RECOMMENDED SPARE PARTS REV A...

Page 151: ...2702730 Sky blue 6 5 180 65 0 166 0 26 2700645 Red 2 3 40 22 88 2702950 Brown 7 180 65 0 261 0 34 2700645 Red 2 3 40 22 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure...

Page 152: ...2370 Black 5 5 180 65 0 071 0 085 2700645 Red 2 3 40 22 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 75 DIVAL 600 BP 1 1 2 2 DN 40 50 INVERTED Pos Spring...

Page 153: ...702950 Brown 7 180 65 0 261 0 34 2700645 Red 2 3 40 22 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 77 DIVAL 600 MP 1 1 2 2 DN 40 50 INVERTED Pos Spring i...

Page 154: ...04180 White Black 10 5 147 65 2 201 4 2 2700999 3 37 22 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max pressure bar Tab 13 79 DIVAL 600 TR 1 1 1 2 2 DN 25 40 50 INVERTED Pos Sp...

Page 155: ...155 DIVAL 600 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR CALIBRATION TABLES REV A EN...

Page 156: ...TM0023ENG...

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