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143

DIV

AL 600

Use, maintenance and warning instructions

MEDIUM PRESSURE REGULATOR

TROUBLESHOOTING

REV. A

10 - TROUBLESHOOTING

Listed below are the cases (causes and tripping) that could occur in the form of malfunctions of various kinds over time.
These situations depend on the conditions of the gas as well as on the natural ageing and wear of the materials.

10.1 - GENERAL WARNINGS

HAZARD!

Maintenance work must be carried out by qualified personnel:

•

trained on workplace safety also based on the regulations in force in the place of installation of the
work equipment;

•

qualified and authorised to carry out activities related to the equipment.

WARNING!

PIETRO FIORENTINI S.p.A. shall not be held liable for any damage to people and property due to services:

•

other than those described;

•

performed according to methods other than those specified;

•

carried out by unsuitable personnel.

NOTICE!

If an operating fault occurs and qualified personnel are not available for the specific service, call the

PIETRO FIORENTINI S.p.A. Authorised Assistance Centre

Содержание Dival 600

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

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 156: ...TM0023ENG...

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PIETRO FIORENTINI Dival 600, Руководство пользователя

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