PIETRO FIORENTINI HBC 975 Manual Download

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HBC 975

Use, maintenance and warning manual

SLAM-SHUT VALVE

MAINTENANCE AND FUNCTIONAL CHECKS

REV. 00

1.4 - ROUTINE MAINTENANCE PROCEDURES

Routine maintenance

Operator qualification

Mechanical maintenance technician

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;

•

any information provided by the Safety Manager at the installation facility.

Necessary
equipment

Refer to chapter 7 “Equipment for commissioning/maintenance”.

Tab. 1.49.

Summary of Contents for HBC 975

Page 1: ...HBC 975 EN Revision 00 Edition 09 2021 Slam shut valve USE MAINTENANCE AND WARNING MANUAL ...

Page 2: ...2 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE INTRODUCTION REV 00 ...

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

Page 4: ...4 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE INTRODUCTION REV 00 ...

Page 5: ...5 HBC 975 Use maintenance and warning manual SLAM SHUT VALVE INTRODUCTION REV 00 EN 1 1 REVISION HISTORY Revision index Edition Revision contents 00 09 2021 Tab 1 1 ...

Page 6: ...6 ADDRESSEES SUPPLY AND STORAGE OF THE MANUAL 13 2 7 LANGUAGE 13 2 8 NAMEPLATES APPLIED 14 2 8 1 GLOSSARY FOR NAMEPLATES 15 2 9 GLOSSARY OF MEASUREMENT UNITS 16 2 10 QUALIFIED PROFESSIONAL FIGURES 17 3 SAFETY 19 3 1 GENERAL SAFETY INSTRUCTIONS 19 3 2 PERSONAL PROTECTIVE EQUIPMENT 20 3 3 RESIDUAL RISKS 21 3 3 1 TABLE SHOWING RESIDUAL RISKS DUE TO PRESSURE 22 3 3 2 TABLE OF RESIDUAL RISKS FOR POTENT...

Page 7: ... 3 ANCHORING AND LIFTING METHOD 40 5 3 1 FORKLIFT HANDLING METHOD 41 5 3 2 CRANE HANDLING METHOD 43 5 4 PACKAGING REMOVAL 44 5 4 1 PACKAGING DISPOSAL 44 5 5 STORAGE AND ENVIRONMENTAL CONDITIONS 45 5 5 1 PRE INSTALLATION WARNINGS AFTER PROLONGED STORAGE 45 6 INSTALLATION 47 6 1 INSTALLATION PRE REQUISITES 47 6 1 1 ENVIRONMENTAL CONDITIONS ALLOWED 47 6 1 2 CHECKS BEFORE INSTALLATION 48 6 2 SPECIFIC ...

Page 8: ...RATION PROCEDURE WITH MAIN REGULATOR 66 8 5 3 PROCEDURE FOR COMMISSIONING THE EQUIPMENT WITH LINE OFF 2 0 68 9 MAINTENANCE AND FUNCTIONAL CHECKS 71 9 1 GENERAL WARNINGS 71 9 2 PERIODICALLY CHECKING AND INSPECTING THE EQUIPMENT FOR PROPER OPERATION 73 9 3 ROUTINE MAINTENANCE 74 9 3 1 GENERAL SAFETY WARNINGS 74 9 3 2 REPLACEMENT FREQUENCY FOR COMPONENTS SUBJECT TO WEAR 75 9 4 ROUTINE MAINTENANCE PRO...

Page 9: ...ROUBLESHOOTING TABLES 145 11 UNINSTALLATION AND DISPOSAL 149 11 1 GENERAL SAFETY WARNINGS 149 11 2 QUALIFICATION OF THE OPERATORS IN CHARGE 149 11 3 UNINSTALLATION 149 11 4 INFORMATION REQUIRED IN CASE OF RE INSTALLATION 149 11 5 DISPOSAL INFORMATION 150 12 RECOMMENDED SPARE PARTS 151 12 1 GENERAL WARNINGS 151 12 2 HOW TO REQUEST SPARE PARTS 151 13 CALIBRATION TABLES 153 13 1 CALIBRATION TABLES FO...

Page 10: ...10 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE INTRODUCTION REV 00 ...

Page 11: ...cordance with module H1 according to Annex III of the Directive NOTE The declaration of conformity in its original version is delivered together with the equipment and this oper ating and warning manual 2 4 WARRANTY PIETRO FIORENTINI S p A guarantees that the equipment was manufactured using the best materials with high quality workmanship and complies with the quality requirements specifications ...

Page 12: ...he operating and warning instructions of the machine before working with or on it Tab 2 4 HAZARD Alerts to a hazard with a high level of risk an imminent hazardous situation which if not prevented will result in death or severe damage WARNING Alerts to a hazard with a medium level of risk a potentially hazardous situation which if not prevented may result in death or severe damage ATTENTION Alerts...

Page 13: ...pment WARNING Removing rewriting or modifying the pages of the manual and their contents is not allowed Keep the 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 descri...

Page 14: ...vided with nameplates from Id 1 to Id 3 The plates specify identification details of the equipment and its accessories to be mentioned in case of need to PIETRO FIORENTINI S p A Table 2 5 shows the identification plates applied Id Type Image 1 EQUIPMENT NAMEPLATE EC version ARCUGNANO VI ITALY S n DN Pu PSD Bar Bar PS Bar TS Flange Strenght type Fluid 2 SLAM SHUT VALVE NAMEPLATE ARCUGNANO VI ITALY ...

Page 15: ...Maximum permissible pressure for which the equipment was designed PSD Specific maximum permissible pressure for which the equipment was designed Pu Up Upstream pressure Pumax Maximum inlet pressure at which the regulator can operate continuously under specific condi tions REGULATOR Equipment family SG Lock up pressure class Slam shut device Slam shut valve family S n Equipment serial number Streng...

Page 16: ...essure decrease 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 2 9 GLOSSARY OF MEASUREMENT UNITS Type of measurement Unit of measurement Description 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 ...

Page 17: ... voltage inside electri cal panels junction boxes control equipment etc only if he she is a suitable person 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 Qualified operator for the use of lifting equipment for the handling of materials and equipment Lifting and handling of the equipment must be carried ...

Page 18: ...18 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE GENERAL INFORMATION REV 00 ...

Page 19: ...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 NOTE The employer must train and inform operators on how to behave during operations and on the equipment to be used Before installation co...

Page 20: ...tion safety shoes Obligation to use noise protection equipment Indicates a requirement for personnel to use ear muffs or ear plugs to protect their hearing Obligation to wear protective clothing Indicates a requirement for personnel to wear specific protective clothing Obligation to use a protective mask Indicates a requirement for personnel to use respiratory masks in the event of a chemical risk...

Page 21: ...014 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 the appropriate protective measures c Information to users about residual risks ...

Page 22: ...ately b The minimum temperature allowed is indicated on the data plate Pressurised gas leakage Projection of metallic and non metallic pressurised parts Explosion Overpressure or exceeding of the rated limit values maximum pressure allowed Explosion Breaks Cracks Permanent defor mations a The device has appropriate design safety margins b The user must check the maximum pressure applicable to the ...

Page 23: ...burst a With the exclusion of what is set out in the project the user must verify that no additional concentrated load bears 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 equip the device with the necessary protection and earthing devices c The ab...

Page 24: ...ions of standards EN 12186 and EN 12279 The instructions for use indicate the need to meet the requirements of Standards EN 12186 and EN 12279 Operation in normal conditions No The indications in the previous point apply in addition the equipment is installed out doors or in an environment with natural ventilation in accordance with Standards EN 12186 and EN 12279 the installation is subject to su...

Page 25: ... residual gas must be dis charged as indicated above The instructions for use indicate the need to meet the requirements of Standards EN 12186 and EN 12279 Restart No After reassembling the equip ment carry out an external leak age test at a suitable pressure value as specified by the man ufacturer Before commissioning the ex ternal sealing of the system por tion on which the equipment is installe...

Page 26: ...is strictly 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 equipment with...

Page 27: ...e 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 ATTENTION The...

Page 28: ...tor or individually If the slam shut valve is mounted upstream of the regulator the control pressure reaching the pressure switch is taken downstream of the regulator If the valve is mounted individually the pressure switch takes the pressure downstream of the slam shut valve The HBC 975 built in slam shut valve consists of see fig 4 1 Pos Description 1 Balanced valve plug 2 Single acting pneumati...

Page 29: ...ressure 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 this device is used to pressurise and depressurise the cylinder of the HB 97 slam shut valve 9 Control pressure switch through the head of the control pressure switch connected downstream it allows the HB 97 built in slam shut valv...

Page 30: ... the upstream of the R44 SS regulator 6 calibrated at a pressure of 4 5 bar to overcome the force of the closing 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 the actuator 2 of the slam shut valve to be pressurised by the R44 SS regulator 6 the plug 1 to open In the event that the slam shut valve is requ...

Page 31: ... 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 resulting from carelessness behaviour resulting from t...

Page 32: ...is equipment are Technical features Maximum allowable pressure Up to 100 bar Inlet gas temperature range 10 C 60 C class 1 20 C 60 C class 2 Ambient temperature range 20 C 60 C Inlet pressure range bpu 1 100 bar Accuracy class AG up to 1 Max pressure tripping range Wdso OPSO 0 2 90 bar Min pressure tripping range Wdsu UPSO 0 2 90 bar Tab 4 16 Cg Kg and K1 coefficients Nominal diameter mm 100 150 2...

Page 33: ...33 HBC 975 Use maintenance and warning manual SLAM SHUT VALVE DESCRIPTION AND OPERATION REV 00 EN ...

Page 34: ...scription 1 Control element NOTE The control element can be a diaphragm or a piston 2 Stem 3 4 Adjustment feeler gauges 5 Spring for maximum pressure tripping 6 Spring for minimum pressure tripping 7 UPSO minimum spring adjustment ring nut 6 8 OPSO maximum pressure spring adjustment ring nut 5 10 Release button Tab 4 18 8 7 5 6 4 3 2 1 10 Downstream pressure Fig 4 3 Slam shut valve pressure switch...

Page 35: ...TION REV 00 EN Table 4 19 lists the models of the pressure switches available for this valve Model pressure switch Min bar Max bar 102M 0 2 2 8 0 2 5 5 102MH 2 2 5 5 0 2 5 5 103M 0 2 8 2 22 103MH 8 19 2 22 104M 1 6 18 15 45 104MH 18 41 15 45 105M 3 44 30 90 105MH 44 90 30 90 Tab 4 19 ...

Page 36: ...36 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE DESCRIPTION AND OPERATION REV 00 ...

Page 37: ...orklift 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 any...

Page 38: ...n 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 NOTE 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 21 show...

Page 39: ... Nominal diameter mm 100 150 200 250 300 Size inches 4 6 8 10 12 S Class 150 PN 16 352 451 543 673 737 S Class 300 368 473 568 708 775 S Class 600 394 508 609 752 819 A 518 645 687 796 940 B 650 835 900 1060 1220 C 180 225 265 340 372 D 205 275 320 440 480 F 358 410 445 510 530 H 700 870 952 1136 1312 Tab 5 22 Weight kgf Class 150 PN 16 104 233 305 600 1125 Class 300 120 239 349 650 1200 Class 600...

Page 40: ...ipment 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 that the load...

Page 41: ...mento 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 NOTE 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 il piano del carico A...

Page 42: ...rche 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 operating situations...

Page 43: ...n the ground do not operate near power lines do not stand within the range of action of the crane NOTE Packaging must be always handled in a vertical position The equipment must be handled using the lifting points provided on the equipment itself To carry out the transport cor rectly follow the procedure below Step Action Image 1 Attach the lifting rope or chain to the appropriate supports A WARNI...

Page 44: ...ion facility Tab 5 26 To unpack the equipment proceed as follows 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 NOTE Have at least 2 operators manually move the equipment if required due to its dimensions weight Tab 5 27 NOTE After ...

Page 45: ...allation 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 28 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 to ...

Page 46: ...46 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE TRANSPORT AND HANDLING REV 00 ...

Page 47: ...pment NOTE The equipment must operate in places that are properly lit by artificial lighting that is suitable for the protection of the operator in compliance with UNI EN 12464 1 2011 and UNI EN 12464 2 2014 If mainte nance work is to be performed in areas and or parts that are poorly lit it is mandatory to use all the light sources of the installation plant equip themselves with a portable lighti...

Page 48: ...e expected dimensions of the installation site are compatible with the equipment size there is a space around the equipment that facilitates maintenance operations for employees 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 pipe are parallel the inlet and outlet connections of the equipment are clean and hav...

Page 49: ...ing with installation make sure that the upstream and downstream valves installed on the line are closed WARNING The installation may also take place in areas where there is a risk of explosion and this implies that all nec essary prevention and protection measures must be taken For these measures please refer to the regulations in force at the place of installation ...

Page 50: ... and one downstream of the equipment 3 Two pressure gauges 2 one upstream and another downstream of the equipment 4 One slam shut valve 5 One shut off valve downstream of the equipment Tab 6 30 1 2 3 3 2 4 5 Fig 6 5 In line installation NOTE When used in gas pressure reduction stations the device must be installed at least according to the re quirements of standards UNI EN 12186 2014 or UNI EN 122...

Page 51: ...se maintenance and warning manual SLAM SHUT VALVE INSTALLATION REV 00 EN 6 4 EQUIPMENT INSTALLATION POSITIONS Figures 6 6 and 6 7 show the permitted arrangements Fig 6 6 Standard position Fig 6 7 Inverted position ...

Page 52: ...he bolts following the technical rules for tightening flanges Tab 6 31 6 5 2 CONNECTION OF THE SENSING LINES TO THE DOWNSTREAM PIPING Fig 6 8 Welded pipe connections To obtain correct operation it is essential that the downstream shut off valve is placed at a distance of at least 6 times the rated diameter of the pipe downstream of the equipment the downstream sensing lines are placed on a straigh...

Page 53: ...N If a regulator is installed downstream of the slam shut valve refer to the regulator manual to connect the sensing lines To prevent the pneumatic connections of the sensing lines from collecting impurities 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 pipe refer to fig 6 9 the hole in the p...

Page 54: ...sure switch NOTE 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 10 Equipment connections 6 6 POST INSTALLATION AND PRE COMMISSIONING CHECKS Before commissioning it must be ensured that all connections are properly secur...

Page 55: ...o 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 32 The types of equipment required for commissioning and maintenance of the equipment are de...

Page 56: ...MISSIONING AND MAINTENANCE EQUIPMENT REV 00 Ref Equipment type Image G T handle hex socket wrench H Phillips screwdriver I Slotted screwdriver L O ring extraction tool M Circlip pliers N Fiorentini special key O Fiorentini special key P Fiorentini special tool Tab 7 33 ...

Page 57: ...e reference configuration L Length referred to the equipment Ref Reference to the equipment Type Type size or code of the equipment Tab 7 34 HBC 975 Equipment DN Ref Type 4 6 8 10 A K 7 14 17 19 22 24 27 30 32 41 7 14 17 19 22 24 27 30 32 41 7 14 17 19 22 24 27 32 41 7 14 16 17 19 24 27 32 36 50 57 B L 300 C Ø 4 D K 9 10 15 17 21 22 24 27 9 10 15 17 21 22 24 27 9 10 15 17 21 22 24 27 17 21 27 30 E...

Page 58: ...58 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE COMMISSIONING AND MAINTENANCE EQUIPMENT REV 00 ...

Page 59: ...ssure switch control device already calibrated NOTE It is possible that for various reasons e g vibrations during transport the calibration of the equipment s accessories may vary although within the values indicated on the identification plates Before commissioning the equipment it is necessary to check that all shut off valves inlet outlet any bypass are closed the gas is at a temperature within...

Page 60: ...wing operations must never be carried out pressurisation through a valve located downstream of the equipment depressurisation through a valve located upstream of the equipment 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 ...

Page 61: ...are visible Internal Element separating two pressure chambers The pressure in the closed chamber with the lower pressure remains stable for a period of not less than 15 minutes 8 4 CALIBRATION OF ANY ACCESSORIES The slam shut valve is normally supplied already set with the required calibration value but for safety it is advisable to check the calibration according to the procedures illustrated in ...

Page 62: ...SEALING 4 5 6 1 V1 7 1 7 9 V2 7 Fig 8 11 Sealing of the HBC 975 slam shut valve when closing Step Action 1 Check that the slam shut valve 1 is in the closed position NOTE Refer to the indicator rod above the slam shut valve 2 Open the vent 6 3 Drain the downstream section completely 4 Open the upstream valve V1 NOTE Use a foaming substance to check sealing through the vent 6 Tab 8 38 ...

Page 63: ...63 HBC 975 Use maintenance and warning manual SLAM SHUT VALVE COMMISSIONING REV 00 EN ...

Page 64: ... additional pressure gauge on the external source used for calibration 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 anticlockwise the adjustment ring nut 13 so as to relieve the spring 11 3 Decrease the pressure in the pressure switch head 4 ...

Page 65: ...rring to the additional pressure gauge on the external source used for calibration If the slam shut valve trips before the expected pressure value unscrew anticlockwise the adjustment ring nut 15 so as to relieve the spring 17 does not trip before the expected pressure value screw in clockwise the adjustment ring nut 15 so as to further compress the spring 17 6 Check the minimum pressure spring fo...

Page 66: ...eam 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 anticlockwise the adjustment ring nut 13 so as to relieve the spring 11 2 By opening the vent fig 8 11 ref 6 decrease the pressure in the downstream section to the calibra...

Page 67: ...ckwise the adjustment ring nut 15 so as to further 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 set value by acting on the main regulator 7 Trigger the slam shut device by operating the lever i...

Page 68: ...ance and warning manual SLAM SHUT VALVE COMMISSIONING REV 00 8 5 3 PROCEDURE FOR COMMISSIONING THE EQUIPMENT WITH LINE OFF 2 0 4 5 6 1 V1 7 1 7 5 7 3 7 6 7 9 V2 7 Fig 8 14 LINE OFF 2 0 commissioning and calibration for HBC 975 ...

Page 69: ... anticlockwise so as to release the spring inside 5 Check the VS FI valve 7 6 for correct calibration decreasing the pressure by acting on the adjustment screw of the R44 SS regulator 7 5 increasing the pressure until the VS FI valve 7 6 trips by acting on the adjustment screw of the R44 SS regulator 7 5 6 Repeat step 5 at least three times to properly calibrate the VS FI safety valve 7 6 7 By act...

Page 70: ...70 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE COMMISSIONING REV 00 ...

Page 71: ...s 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 NOTE Maintenance work ...

Page 72: ...d 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 in proper ...

Page 73: ... 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 flow lo...

Page 74: ... 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 NOTE Before installing new sealing elements o rings diaphragm etc they must be checked for integrity ...

Page 75: ...e 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 devices Relie...

Page 76: ...al SLAM SHUT VALVE 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 1 48 ...

Page 77: ...NING 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 Necessary equipment Refer to chapter 7 Equipment for...

Page 78: ...VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 1 TIGHTENING TORQUES FOR HB 975 BUILT IN SLAM SHUT VALVE WITH LINE OFF 2 0 81 67 11 27 32 86 32 89 33 33 9 81 67 11 27 32 89 9 33 33 Fig 1 15 Tightening torques for built in slam shut valve HBC 975 DN 6 12 DN 4 ...

Page 79: ...scription Torque Nm Torque ft lb 9 Locking nut M24X1 5 110 81 11 M18X1 5 balancing piston guide 110 81 27 Screw M14X50 UNI 5737 115 84 32 Screw M20x60 UNI 5737 250 184 33 Nut M18X1 5 UNI 5589 110 81 67 Nut M16 UNI 5588 200 147 81 Screw M8X20 UNI 5931 20 14 86 Screw M6X25 UNI 5931 10 7 89 Screw M6X16 UNI 5931 10 7 Tab 1 51 HBC 975 DN 8 Pos Description Torque Nm Torque ft lb 9 Locking nut M24X1 5 11...

Page 80: ...se maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 81 67 11 27 32 86 32 89 33 33 9 81 67 11 27 32 89 9 33 33 Tightening torques for built in slam shut valve HBC 975 DN 6 12 DN 4 ...

Page 81: ...Nut M20X1 5 UNI 5589 150 110 67 Nut M16 UNI 5588 200 147 81 Screw M8X20 UNI 5931 20 14 86 Screw M6X25 UNI 5931 10 7 89 Screw M6X16 UNI 5931 10 7 Tab 1 53 HBC 975 DN 12 Pos Description Torque Nm Torque ft lb 9 Locking nut M30X1 5 150 110 11 M22X1 5 balancing piston guide 150 110 27 Screw M20X70 UNI 5931 250 184 32 Screw M22x100 UNI 5737 280 206 33 Nut M20X1 5 UNI 5589 150 110 67 Nut M16 UNI 5588 20...

Page 82: ...E MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 1 1 TIGHTENING TORQUES FOR HP2 2 BYPASS DEVICE 14 15 Fig 1 16 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 1 55 ...

Page 83: ...EV 00 EN 1 4 1 2 TIGHTENING TORQUES FOR R44 SS REGULATOR 24 1 24 26 2 25 Fig 1 17 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 1 56 ...

Page 84: ... SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 1 3 TIGHTENING TORQUES FOR LAMINATION VALVE AR100 4 2 Fig 1 18 Tightening torques for lamination valve AR100 AR100 Pos Description Torque Nm Torque ft lb 2 Cap M20X1 5 20 14 4 Screw M8 4 2 Tab 1 57 ...

Page 85: ...85 HBC 975 Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 EN ...

Page 86: ...NCTIONAL CHECKS REV 00 1 4 1 4 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 1 19 Tightening torques for pressure switches models 102M 102MH 105M 105MH MOD 105M 105MH MOD 104M 104MH MOD 103M 103MH MOD 102M 102MH ...

Page 87: ... 5 3 Tab 1 58 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 1 59 MOD 104M 104MH 105M 105MH Pos Description Torque Nm Torque ft lb 10 Screw M4X10 UNI 5931 3 2 11 Scre...

Page 88: ...88 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 ...

Page 89: ...e line on which the equipment is installed has been 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 carried out 1 4 2 2 CROSS DIAGRAM FOR TIGHTENING SCREWS To tighten the screws when required by the maintenance procedure refer to the following diagram ...

Page 90: ...E AND FUNCTIONAL CHECKS REV 00 1 4 3 LINE OFF 2 0 DISCONNECTION PROCEDURE 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 1 21 LINE OFF 2 0 BYPASS CONTROL PRESSURE DOWNSTREAM SENSING ELEMENT UPSTREAM SENSING ELEMENT ...

Page 91: ... remove the fixing screw to disconnect the LINE OFF 2 0 3 Disconnect the pipe 20 from the fittings 5 6 4 Disconnect the pipe 21 from the fittings 7 8 5 Remove assembly A bypass device HP2 2 and adjust the fitting 9 6 Remove assembly B lamination valve AR100 and adjust the fitting 10 7 Remove assembly D safety valve VS FI and adjust the fitting 11 8 Remove assembly E valve 3 2 and control pressure ...

Page 92: ...5 BUILT IN SLAM SHUT VALVE MAINTENANCE PROCEDURE 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 Fig 1 22 HBC 975 Slam shut valve DN 4 ...

Page 93: ...eplacement O rings clean the retaining slots with a cleaning solution 9 Undo and remove the screws 35 NOTE If the HB 97 built in slam shut valve is in the inverted position support it during this step to pre vent any falls 10 Remove the HB 97 built in slam shut valve and fit it vertically with the plug 71 on an anti shock surface 11 Undo and remove the screws 89 12 Remove the locking ring 8 13 Rem...

Page 94: ...NCTIONAL CHECKS REV 00 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 HBC 975 Slam shut valve DN 4 ...

Page 95: ... with a cleaning solution 26 APPLICABLE TO DN 4 ONLY Remove the I DWR rings 76 from the plug guide 70 and replace it taking care to lubricate it with synthetic grease NOTE Before inserting the I DWR rings clean the retaining slots with a cleaning solution 27 Remove the O ring 88 from the plug 71 and replace it taking care to lubricate it with synthetic grease NOTE Before inserting the replacement ...

Page 96: ...NCTIONAL CHECKS REV 00 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 HBC 975 Slam shut valve DN 4 ...

Page 97: ...the washer 37 41 Remove the flange 73 42 Remove the O ring 62 from the flange 73 and replace it taking care to lubricate it with synthetic grease NOTE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 43 Remove the stem guide 20 together with the stem 6 and the key 28 44 Remove the stem 6 from the stem guide 20 46 Remove the I DWR ring 51 from the stem guid...

Page 98: ...NCTIONAL CHECKS REV 00 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 HBC 975 Slam shut valve DN 4 ...

Page 99: ...Y Remove the O ring 87 from the plug guide 72 and replace it taking care to lubricate it with synthetic grease NOTE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 54 APPLICABLE FOR DN 6 12 ONLY Put the plug guide 72 in place 55 APPLICABLE FOR DN 6 12 ONLY Insert and fix the screws 86 according to the following tightening torques DN 6 tab 9 51 DN 8 tab 9 ...

Page 100: ...NCTIONAL CHECKS REV 00 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 HBC 975 Slam shut valve DN 4 ...

Page 101: ...ightening tor ques DN 4 tab 9 50 DN 6 tab 9 51 DN 8 tab 9 52 DN 10 tab 9 53 DN 12 tab 9 54 64 Fit the spring 80 together with the spring support 34 and the radial bearing 30 65 Keeping the nut 69 in position insert and fix the nut 9 according to the following tightening torques DN 4 tab 9 50 DN 6 tab 9 51 DN 8 tab 9 52 DN 10 tab 9 53 DN 12 tab 9 54 66 Fit the plug 71 67 Insert and fix the nuts 33 ...

Page 102: ...NCTIONAL CHECKS REV 00 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 HBC 975 Slam shut valve DN 4 ...

Page 103: ... screws 35 NOTE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 74 Insert the indicator rod 21 NOTE The rod must be fitted into the slot in the piston 65 75 Insert and fix the screws 17 76 Put the bracket 82 in place 77 Insert and fix the screws 81 according to the following tightening torques DN 4 tab 9 50 DN 6 tab 9 51 DN 8 tab 9 52 DN 10 tab 9 53 DN 12 tab 9 54 NOTE Tight...

Page 104: ...NCTIONAL CHECKS REV 00 43 42 36 68 47 46 60 4 7 89 93 38 32 71 33 30 23 34 6 88 9 80 35 70 72 87 86 41 40 39 20 8 27 37 73 62 63 64 38 43 42 21 36 68 67 47 17 46 45 59 60 82 81 74 15 11 75 65 28 69 19 94 48 50 62 51 89 93 32 71 33 6 88 80 35 70 20 27 37 73 HBC 975 Slam shut valve DN 4 ...

Page 105: ...to prevent any falls 84 Insert and fix the screws 32 according to the following tightening torques DN 4 tab 9 50 DN 6 tab 9 51 DN 8 tab 9 52 DN 10 tab 9 53 DN 12 tab 9 54 NOTE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 85 NOTE To reconnect the LINE OFF 2 0 refer to paragraph 9 4 7 tab 9 71 Tab 1 62 WARNING Ensure that all parts have been fitted correctly ...

Page 106: ...e and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 5 LINE OFF 2 0 MAINTENANCE PROCEDURE 1 4 5 1 HP2 2 BYPASS DEVICE 9 8 14 3 11 6 1 13 4 2 15 20 22 23 20 21 12 22 24 20 21 Fig 1 23 HP2 2 bypass device ...

Page 107: ...ning solution 10 Undo and remove the screws 6 NOTE 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 NOTE 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 22 23 from ...

Page 108: ...108 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE 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 109: ...lid 2 21 Screw the stem 8 into the plug 12 NOTE 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 lid 2 together with the bush 4 25 Insert and fix the screws 15 according to the following tightening torque HP2 2 tab 9 55 NOTE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 Tab 1 63 ...

Page 110: ...ESSURE 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 1 24 Pressure regulator R44 SS B ASSEMBLY VALVE A ASSEMBLY PLUG ...

Page 111: ...56 from the sleeve 6 and replace it taking care to lubricate it with synthetic grease NOTE 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 NOTE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 16 Remove the s...

Page 112: ...CKS REV 00 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Pressure regulator R44 SS B ASSEMBLY VALVE A ASSEMBLY PLUG ...

Page 113: ...s 34 Remove the O ring 50 from the valve seat 38 and replace it taking care to lubricate it with synthetic grease NOTE 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 with synth...

Page 114: ...CKS REV 00 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Pressure regulator R44 SS B ASSEMBLY VALVE A ASSEMBLY PLUG ...

Page 115: ...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 56 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 56 59 Insert ass...

Page 116: ...CKS REV 00 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 2 21 25 3 28 38 50 29 40 52 42 51 41 13 57 12 53 62 1 4 59 7 14 24 6 7 35 10 9 8 11 56 53 54 23 26 1 26 20 58 56 19 68 24 1 19 17 15 16 16 15 3 28 38 50 40 52 42 51 Pressure regulator R44 SS B ASSEMBLY VALVE A ASSEMBLY PLUG ...

Page 117: ...67 Fit 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 56 NOTE 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 NOTE Make sure that the piston pin 59 is inside...

Page 118: ... 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 5 3 AR100 LAMINATION VALVE A A SEZ A A 97 96 96 2 5 1 4 7 3 7 6 Fig 1 25 AR100 lamination valve SECT A A ...

Page 119: ...ace them taking care to lubricate them with synthetic grease NOTE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 7 Unscrew and remove the cap 2 8 Remove the O rings 6 7 from the cap 2 and replace them taking care to lubricate them with synthetic grease NOTE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 9 Rem...

Page 120: ... 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 5 4 SAFETY VALVE VS FI FOR LINE OFF 2 0 8 1 3 2 4 9 5 6 7 8 Fig 1 26 Safety valve VS FI for LINE OFF 2 0 ...

Page 121: ...he vent plug 7 and make sure that it is not obstructed by any dirt 4 Loosen the ring 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 NOTE 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 a...

Page 122: ...warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 6 MAINTENANCE PROCEDURE FOR PRESSURE SWITCHES MODELS 102M 102MH 105M 105MH 1 4 6 1 PRESSURE SWITCH MOD 102M 102MH Mod 102 Fig 1 27 Pressure switch Mod 102M 102MH ...

Page 123: ...ing solution 7 Undo and remove the screws 42 8 Remove the upper lid 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 NOTE Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 13 Fit the diaphragm p...

Page 124: ...124 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 102 Pressure switch Mod 102M 102MH ...

Page 125: ...ording to the following tightening torque Mod 102 tab 9 58 NOTE 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 lid 40 28 Insert and fix the screws 42 according to the following tightening torque Mod 102 tab 9 58 NOTE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 29 Co...

Page 126: ...126 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 6 2 PRESSURE SWITCH MOD 103M 103MH Mod 103 103MH Fig 1 28 Pressure switch Mod 103M 103MH ...

Page 127: ...eaning solution 7 Undo and remove the screws 42 8 Remove the upper lid 40 9 Remove and replace the diaphragm 43 taking care to lubricate the lanyard with synthetic grease NOTE Before inserting the replacement diaphragm clean the retaining slots with a cleaning solution 10 Undo and remove the screws 46 11 Remove the diaphragm protection disc 44 12 Remove the ring 49 13 Remove the O ring 50 from the...

Page 128: ...128 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 103 103MH Pressure switch Mod 103M 103MH ...

Page 129: ... according to the following tightening torque Mod 103M 103MH tab 9 59 NOTE 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 lid 40 27 Insert and fix the screws 42 according to the following tightening torque Mod 103M 103MH tab 9 59 NOTE Tighten the screws according to the cross diagram ...

Page 130: ... maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 6 3 PRESSURE SWITCH MOD 104M 104MH 105M 105MH Mod 104M 104MH Mod 105M 105MH Fig 1 29 Pressure switch Mod 104M 104MH 105M 105MH ...

Page 131: ...lution 7 Undo and remove the screws 42 8 Remove the upper lid 40 together with the piston 44 9 Pull the piston 44 out of the upper lid 40 10 Remove the O rings 43 50 from the upper lid 40 and replace it taking care to lubricate it with synthetic grease NOTE Before inserting the replacement O rings clean the retaining slots with a cleaning solution 11 Refit the piston 44 into the upper lid 40 12 Un...

Page 132: ...132 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 Mod 104M 104MH Mod 105M 105MH Fig 1 30 Pressure switch Mod 104M 104MH 105M 105MH ...

Page 133: ...21 Insert and fix the screws 42 according to the following tightening torques Mod 104M 104MH 105M 105MH tab 9 60 NOTE Tighten the screws according to the cross diagram in paragraph 9 4 2 2 22 Completely release the maximum pressure spring 11 by turning the ring nut 13 NOTE To calibrate the spring please refer to chapter 13 Calibration tables 23 Completely release the minimum pressure spring 17 by ...

Page 134: ...VE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 1 4 6 4 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 1 31 Valve 3 2 ATM EXHAUST DOWNSTREAM SENSING ELEMENT DETAIL C SECT B B SECT A A ...

Page 135: ... with a cleaning solution 11 Remove and replace the gasket 16 lubricating it with synthetic grease NOTE Orient the lip of the seal 16 towards the lid 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 NOTE Before inserting the replacement O ring clean the retaining slots with a cleaning so...

Page 136: ...SLAM SHUT VALVE 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 ATM EXHAUST DOWNSTREAM SENSING ELEMENT DETAIL C SECT B B SECT A A ...

Page 137: ...rings 46 1 46 2 46 3 and the perforated bushes 8 9 into the valve body 3 30 Remove the equipment P 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 NOTE Before inserting the replacement O ring clean the retaining slots with a cleaning solution 33 Turn the device upside down 34 Undo a...

Page 138: ...SLAM SHUT VALVE 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 DETAIL C SECT B B SECT A A ATM EXHAUST DOWNSTREAM SENSING ELEMENT ...

Page 139: ...e centred with the centring pin 2 48 Fasten the screws 24 of the valve body 3 49 Fasten the screws 24 of the valve lid 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 discharge assembl...

Page 140: ...CE AND FUNCTIONAL CHECKS REV 00 1 4 7 LINE OFF 2 0 RECONNECTION PROCEDURE 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 1 32 LINE OFF 2 0 BYPASS CONTROL PRESSURE DOWNSTREAM SENSING ELEMENT UPSTREAM SENSING ELEMENT ...

Page 141: ... VS FI together with the fitting 11 3 Remove assembly B lamination valve AR100 together with the fitting 10 4 Remove assembly A bypass device HP2 2 together with the fitting 9 5 Reconnect the pipe 21 together with the fittings 7 8 6 Reconnect the pipe 20 together with the fittings 5 6 7 Insert and tighten the fixing screw to put the LINE OFF 2 0 in place 8 Reconnect the pipes together with the fit...

Page 142: ...142 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE MAINTENANCE AND FUNCTIONAL CHECKS REV 00 ...

Page 143: ...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 sp...

Page 144: ...sociated 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 72 10 3 TROUBLESHOOTING PR...

Page 145: ...necessary replace the pressure switch Springs 11 17 collapsed Replace Springs 11 17 out of level Refit Impossible to reset HB 97 SLAM SHUT DEVICE Stem 6 locked due to friction Clean and lubricate Stem 6 locked in closing position Clean and lubricate Plug 71 locked due to friction Clean and lubricate U shaped ring 63 damaged Replace I DWR ring 64 damaged Replace PRESSURE SWITCH MOD 100 Wrong max an...

Page 146: ...nd replace if needed O ring 48 not sealing Clean and replace if needed Pad 16 dirty or damaged Clean and replace if needed HB 97 SLAM SHUT DE VICE Stem 6 with friction Clean and lubricate Plug 71 with friction Clean and lubricate Balancing piston O ring 36 not sealing Clean and replace if needed VALVE 3 2 Gasket 16 locked Clean and replace if needed Clogged vents Check and clean if necessary Failu...

Page 147: ...ng Clean and replace if needed O ring 26 1 not sealing Clean and replace if needed VS FI Lack of Pad seal 3 Clean and replace if needed VALVE 3 2 Gasket 16 locked Clean and replace if needed Outer O rings 46 not sealing Clean and replace if needed O ring 47 not sealing Clean and replace if needed O ring 48 not sealing Clean and replace if needed Downstream pressure increase with slam shut device c...

Page 148: ...148 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVES TROUBLESHOOTING REV 00 ...

Page 149: ...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 74 11 3 UNINSTALLATION A...

Page 150: ...cling through separate collection 3 Send the materials obtained in Step 2 to a specialised company Tab 11 75 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 disposal ...

Page 151: ...rts 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 NOTE For specific information please refer to the sales network of PIETRO FIORENTINI S p A ...

Page 152: ...152 HBC 975 EN Use maintenance and warning manual SLAM SHUT VALVE RECOMMENDED SPARE PARTS REV 00 ...

Page 153: ...1 2 6 4 2702280 White red 5 5 2 601 5 5 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max Pressure bar Tab 13 77 Mod 102M Min pressure 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 78 Mod 102...

Page 154: ... 2700513 Red 2 0 501 0 8 3 2700713 Green 2 3 0 801 1 7 4 2700750 Black 2 5 1 701 4 5 2700985 Brown 3 4 001 8 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max Pressure bar Tab 13 81 Mod 103MH Min pressure Pos Spring item code Spring colour d Lo De Min Max 1 2700985 Brown 3 40 15 8 13 2700980 Blue 3 35 2 2700985 Brown 3 40 15 13 001 19 2700985 Brown 3 d Wire Diameter mm Lo Spri...

Page 155: ...700980 Blue 3 35 2 2700985 Brown 3 40 30 001 41 2700985 Brown 3 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max Pressure bar Tab 13 84 Mod 105M 105MH Max pressure Pos Spring item code Spring colour d Lo DE Min Max 1 2702280 White Red 5 5 60 35 30 60 2 2702454 Fuchsia 6 70 60 001 90 d Wire Diameter mm Lo Spring Length mm De External Diameter mm Min Max Pressure bar Tab 13 85 ...

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PIETRO FIORENTINI HBC 975, Manual

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