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GOVERNORS NOR

TH AMERICA

LOW PRESSURE GAS REGULATOR

DESCRIPTION AND OPERATION

REV. A

Operation, maintenance and warning manual

In Tab. 4.24 flow rate values are given for each model as a function of set point and inlet pressure:

Flow rate in Scfh with filter (flow rate without filter in brackets)

Model

Set point

outlet pressure

Operating inlet pressure

14”WC

1 psig

2 psig

31051OPD ½”

8”WC

785 (923)

11”WC

785 (923)

14”WC

785 (923)

31052OPD ¾”

8”WC

946 (1154)

11”WC

946 (1154)

14”WC

946 (1154)

31053OPD 1”

8”WC

1270 (1500)

11”WC

1270 (1500)

14”WC

1270 (1500)

31150OPD ½”

High Capacity

8”WC

1558 (2193)

11”WC

1558 (2193)

14”WC

1558 (2193)

30151OPD ¾”

High Capacity

8”WC

1824 (2771)

11”WC

1824 (2771)

14”WC

1824 (2771)

31152OPD 1”

8”WC

2309 (3290)

11”WC

2309 (3290)

14”WC

2309 (3290)

31153OPD 1¼”

8”WC

5311 (7851)

11”WC

5311 (7851)

14”WC

5311 (7851)

31154OPD 1½”

8”WC

6581 (8197)

11”WC

6581 (8197)

14”WC

6581 (8197)

31155OPD 2”

8”WC

13278 (15009)

11”WC

13278 (15009)

14”WC

13278 (15009)

31156OPD 2½”

8”WC

16741 (19741)

11”WC

16741 (19741)

14”WC

16741 (19741)

31157OPD 3”

8”WC

18473 (23092)

11”WC

18473 (23092)

14”WC

18473 (23092)

31158OPD 4”

8”WC

32906 (40411)

11”WC

32906 (40411)

14”WC

32906 (40411)

Tab. 4.24.

Содержание 30051

Страница 1: ... AVVERTENZA E AVVERTENZA Regolatori per gas di bassa pressione IT Revisione A Edizione 12 2022 GOVERNORS NORTH AMERICA OPERATION MAINTENANCE OPERATION MAINTENANCE AND WARNING MANUAL AND WARNING MANUAL Low pressure gas regulators Review A Edition 12 2022 ...

Страница 2: ...2 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR INTRODUCTION REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 3: ...anufacturer The Manufacturer is in no way responsible for the consequences of any operations performed in a manner different from what is stated in the manual GENERAL CONSIDERATIONS All operating instructions and recommendations described in this manual must be followed to get the best possible performance from the equipment keep the equipment in efficient condition Of particular importance is the...

Страница 4: ...4 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR INTRODUCTION REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 5: ...5 GOVERNORS NORTH AMERICA LOW PRESSURE GAS REGULATOR INTRODUCTION REV A US Operation maintenance and warning manual 1 1 REVISION HISTORY Revision index Date Review Contents A 12 2022 First issue Tab 1 1 ...

Страница 6: ...CONSERVATION OF THE MANUAL 12 2 6 LANGUAGE 12 2 7 SYMBOLS USED IN THE MANUAL 13 2 8 IDENTIFICATION PLATES APPLIED 14 2 8 1 IDENTIFICATION PLATES GLOSSARY 16 2 9 MEASUREMENT UNIT GLOSSARY 17 2 10 QUALIFIED PROFESSIONALS 18 3 SAFETY 21 3 1 GENERAL SAFETY WARNINGS 21 3 2 PERSONAL PROTECTIVE EQUIPMENT 22 3 3 OBLIGATIONS AND PROHIBITIONS 23 3 4 SAFETY PICTOGRAMS 23 3 5 NOISE LEVEL 23 3 6 RESIDUAL RISKS...

Страница 7: ...DEVICES 44 4 6 1 SAFETY MEMBRANE 44 4 6 2 VENT LIMITER 45 4 6 3 PRESSURE TAP 46 4 6 3 1 PROCEDURE FOR USE WITH STANDARD PRESSURE TAP 47 5 TRANSPORT AND HANDLING 49 5 1 SPECIFIC WARNINGS FOR TRANSPORT AND HANDLING 49 5 1 1 PACKAGING AND FASTENING SYSTEMS USED FOR TRANSPORT 50 5 2 PHYSICAL CHARACTERISTICS OF STABILIZER WITH AND WITHOUT FILTER 51 5 2 1 PHYSICAL CHARACTERISTICS OF THE ZERO VERSION 52 ...

Страница 8: ... INSTALLATION PROCEDURES 71 7 4 1 POST INSTALLATION INDICATIONS 72 7 5 EQUIPMENT ADJUSTMENTS 72 7 5 1 STANDARD VERSION ADJUSTMENTS 73 7 5 2 ZERO VERSION ADJUSTMENTS 74 7 5 3 RATIO VERSION ADJUSTMENTS 75 7 5 4 OPD VERSION ADJUSTMENTS 76 7 5 5 DUAL CUT VERSION ADJUSTMENTS 77 8 COMMISSIONING 79 8 1 GENERAL WARNINGS 79 8 1 1 SAFETY REQUIREMENTS FOR COMMISSIONING 79 8 2 PRELIMINARY PROCEDURES FOR COMMI...

Страница 9: ...RIFICATIONS OF PROPER OPERATION 86 9 2 1 FUNCTIONAL CHECKS OF SAFETY DEVICES 86 9 3 TIGHTENING TORQUES 87 9 4 STABILIZER MAINTENANCE 88 10 UNINSTALLATION AND DISPOSAL 95 10 1 GENERAL SAFETY WARNINGS 95 10 2 QUALIFICATION OF THE OPERATORS IN CHARGE 95 10 3 UNINSTALLING 95 10 4 INFORMATION NEEDED IN CASE OF NEW INSTALLATION 96 10 5 DISPOSAL INFORMATION 96 11 CALIBRATION TABLES 97 11 1 CALIBRATION TA...

Страница 10: ...10 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR INTRODUCTION REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 11: ...RICA Possible versions Standard Zero Ratio Goval Over Pressure Device OPD Dual Cut Tab 2 3 2 3 REGULATORY SYSTEM PIETRO FIORENTINI S p A with registered office in Arcugnano Italy Via E Fermi 8 10 declares that the equipment GOVERNORS NORTH AMERICA subject of this manual is designed manufactured tested and controlled in accordance with the requirements of the standards UNI EN 88 1 2016 UNI 11655 20...

Страница 12: ...ct use of the equipment in order to keep its functional and qualitative char acteristics unchanged over time All the information and warnings for correct use in complete safety are also provided The manual like the declaration of conformity and or test certification is an integral part of the equipment and must al ways accompany it in every transfer or change of ownership It is the user s duty to ...

Страница 13: ...o concern the safety of personnel involved in using the equipment Obligation to consult the manual Indicates a requirement for personnel to consult and understand the equipment manual before working with or on it Tab 2 4 DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation which if not avo...

Страница 14: ...thers If for accidental reasons the plates are damaged or removed the customer must inform PIETRO FIORENTINI S p A The equipment and its accessories are equipped with identification plates Id 1 to Id 7 The plates bear the identification details of the equipment and its accessories to be quoted if necessary to PIETRO FIORENTINI S p A List of applied identification plates Id Type Image 1 STANDARD CS...

Страница 15: ...ESSURE GAS REGULATOR GENERAL INFORMATION REV A US Operation maintenance and warning manual Id Type Image 5 OPD LABEL MONITOR 5a OPD LABEL WORKER 6 DUAL CUT LABEL 1ST CUT 6a DUAL CUT LABEL 2ND CUT 7 IDENTIFICATION PLATE MONITOR Tab 2 5 ...

Страница 16: ...ut pdsu ЛЗК МИН Pdsu Zaw szyb kz EBA Block VIS Slam Shut Pdso Pdsu Minimum rated flow rate Q pumin Q min max Q Pumin Maximum rated flow rate Q pumax Q max Q min max Q Pumax Regulator model Reg per Typ FE Reg Regulator manufacturing batch P L ДАТА P L Date barcode Year P L Regulator serial number S N С н No barcode S N Rated flow rate of the regulator Q nom Input connection DNe DN Connection Outlet...

Страница 17: ... flow Sm h Standard cubic meters per hour SCFH Standard cubic feet per hour Sm Standard cubic meters m h Cubic meters per hour m Cubic meters Pressure bar Bar psi Pounds per square inch psia Pounds per square inch absolute psig Pounds per square inch manometric WC Inch of water column Pa Pascal Temperature C Degree Celsius K Kelvin Tightening torque Nm Newton meter Other measurements V Volt W Watt...

Страница 18: ... the de installation and subsequent dis posal of the equipment in accordance with the regulations in the country of installation Specialized technician Maintenance techni cian Trained and licensed technician to operate and manage the equipment who must be able to carry out all the operations necessary for the proper functioning of the equip ment and system guaranteeing their own safety and that of...

Страница 19: ...19 GOVERNORS NORTH AMERICA LOW PRESSURE GAS REGULATOR GENERAL INFORMATION REV A US Operation maintenance and warning manual ...

Страница 20: ...20 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR GENERAL INFORMATION REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 21: ...operators shall not perform operations or interventions on their own initiative that are not with in their competence Never work on the equipment Under the influence of exciting substances such as for example alcohol In the case of using drugs that can lengthen reaction time The employer must train and inform operators on how to behave during operations and what equipment to use Before installatio...

Страница 22: ...for personnel to use safety shoes to protect their feet Obligation to use noise protection devices Indicates a requirement for personnel to use earmuffs or earplugs for hearing protection Wear appropriate protective clothes Indicates a requirement for personnel to wear the specific protective clothing Mandatory use of protective mask Indicates a requirement for personnel to use masks for respirato...

Страница 23: ... on the nameplate use the equipment with fluids other than those indicated in this manual use the equipment outside the operating temperature range stated in this manual install or use the equipment in environments other than those specified in this manual 3 4 SAFETY PICTOGRAMS The following safety pictograms may appear on equipment and or packaging PIETRO FIORENTINI S p A Symbol Definition Symbol...

Страница 24: ...ies operation is prohibited Contact PIETRO FIORENTINI S p A immediately for necessary guidance The equipment has no residual risk to the operator associated with its normal operation The risks associated with the equipment and the principles adopted for their prevention are evaluated below according to the following classification a Elimination and or reduction of risk b Application of appropriate...

Страница 25: ...le temperature is given in this manual refer to section 4 5 Pressurized gas outlet Projection of metal and non pressur ized parts Explosion Overpressure or ex ceeding nameplate limits maximum allowable pressure Explosion Breakage Cracking Permanent defor mations a The device has appropriate design safe ty margins b The user should check the maximum pressure available to the equipment c The design ...

Страница 26: ...sk and Hazard Event and Cause Effect and Consequence Solution and Prevention Pressurized gas leakage Projection of metal and non metal parts Humidity Environments with aggressive atmo sphere Deterioration of exterior surfaces corrosion a The user must intercept the line and contact PIETRO FIORENTINI S p A Tab 3 11 ...

Страница 27: ...ure reducing systems the requirements of UNI EN 12186 2014 and UNI EN12279 2007 shall be met The manual indicates the need to perform external leakage testing and when applicable meet the re quirements of UNI EN 12186 2014 and UNI EN 12279 2007 Normal operating conditions No The previous point applies and also the installation of the equipment is outdoors or in a naturally ventilated environ ment ...

Страница 28: ...y ventilated environment Restart No After a new regulator assembly an external leak test should be performed at a convenient pres sure value as specified by the Manufacturer Prior to commissioning the exter nal tightness of the portion of the system on which the equipment is installed is checked according to the requirements applicable at the place of installation when installed in pressure reduci...

Страница 29: ...n be supplied with internal filtration element to protect the plugs block valve for maximum and minimum downstream pres sure Version Zero This version can be used as a zero device that is keeping the downstream pressure at zero as the flow demand changes Version Ratio This version can be used as a gas air ratio device by keeping gas air mixing constant as the flow rate changes It is possible to ca...

Страница 30: ... atmospheres with high humidity Tab 4 13 The different models of the GOVERNORS NORTH AMERICA are identified based on the type of connections as shown in Tab 4 14 Regulator Name Model Version Connections 30051 1 2 30052 3 4 30053 1 30150 High capacity 1 2 30151 High capacity 3 4 30152 High capacity 1 30153 1 1 4 30154 1 1 2 30155 2 30156 DN65 30157 DN80 30158 DN100 Tab 4 14 4 1 1 SURFACE TREATMENTS...

Страница 31: ... balanced plug system guarantees a constant outlet pressure value as the inlet pressure and the required flow rate change The main elements of the equipment are shown in Tab 4 15 Pos Description Pos Description 1 Inlet connection 6 Filter cartridge optional 2 Outlet connection 7 Lower cover 3 Balanced plug 8 Top cap 4 Safety membrane 9 Setting ring nut 5 Working membrane 10 Vent limiter Tab 4 15 5...

Страница 32: ... version are shown in Tab 4 16 Pos Description Pos Description 1 Inlet connection 6 Filter cartridge optional 2 Outlet connection 7 Lower cover 3 Balanced plug 8 Top cap 4 Double membrane work and safety 9 Setting screw 5 Vent threaded connection 10 By pass Tab 4 16 8 10 3 6 1 9 5 7 4 2 Upstream inlet pressure Downstream outlet pressure Air pressure Fig 4 2 Zero version general description ...

Страница 33: ...TION AND OPERATION REV A US Operation maintenance and warning manual 4 2 2 OPD VERSION DESCRIPTION See Section 4 2 General Description for the location of the main elements of the OPD version Upstream inlet pressure Downstream outlet pressure Fig 4 3 OPD version ...

Страница 34: ...ATION REV A Operation maintenance and warning manual 4 2 3 DUAL CUT VERSION DESCRIPTION See Section 4 2 General Description for the location of the main elements of the Dual Cut version Upstream inlet pressure Downstream outlet pressure Pressure 1 7 PSIG Fig 4 4 Dual Cut Version ...

Страница 35: ...on of the equipment is described in a simplified way Phase Description 1 The upstream pressure A feeds the regulator is adjusted by the balanced plug system B to the value of the downstream pressure C required by the user 2 In the event of working membrane D rupture the presence of the safety membrane E limits gas leakage into the atmosphere to 30 l h Tab 4 17 D E A B C Upstream inlet pressure Dow...

Страница 36: ...onitor regulator A through the external pressure tap C regulates at a safety pressure normally 70 higher than the regulator pressure B The action of the monitor regulator A keeps the operating set point below the CSA limit of 2 PSIG In the event of failure of the regulating regulator B the monitor regulator A should limit the downstream outlet pressure without undergoing set point changes A B C Up...

Страница 37: ...G downstream B adjusts the pressure to the required outlet pressure If the downstream regulator B fails the upstream regulator A maintains the outlet pressure below the CSA limit of 2 PSIG In the event of failure of the downstream regulator B the upstream regulator A should limit the down stream outlet pressure without undergoing set point changes A B Upstream inlet pressure Downstream outlet pres...

Страница 38: ...he use of the equipment in a way not foreseen at the design stage but which may result from easily predictable human behavior corrosive fluids fluids not properly treated upstream liquids instinctive reaction of an operator in the event of a malfunction accident or failure during the use of the equipment behavior resulting from pressure to keep the equipment in operation in all circumstances condu...

Страница 39: ...o Version 14 F to 140 F Inlet pressure range Standard Version Wd 0 25 kPa to 50 kPa Ratio Version Zero Version Wd 2 kPa to 35 kPa Goval Version Wd 0 75 kPa to 100 kPa Downstream pressure regulation range Standard Version Goval Version 0 5 kPa to 30 kPa Ratio Version 0 2 kPa to 15 kPa Zero Version 0 5 kPa to 0 5 kPa Accessories Built in inlet filter Inlet and outlet pressure taps Vent limiter Accur...

Страница 40: ... 710 1300 1650 2000 3500 Cg Zero Ratio Versions 160 205 240 580 610 1100 1400 1700 2980 Cg Goval Version Pu 350 bar Pd 35 mbar 56 70 90 135 170 200 545 570 1200 1480 1800 3150 Tab 4 20 In Tab 4 21 the flow rate coefficients Cg of stabilizers with filter as indicated by DIN EN 334 are given Flow rate coefficients stabilizers with filter Version High flow rate Nominal size mm 15 20 25 15 20 25 32 40...

Страница 41: ...5 1097 1 543 1558 2193 11 WC 433 609 10 14 1 428 1558 2193 31151 High Capacity 8 WC 714 1 080 1284 1 949 1824 2771 11 WC 507 770 1187 1 803 1824 2771 31152 1 High Capacity 8 WC 903 1 283 1625 2 314 2309 3290 11 WC 642 914 1503 2 142 2309 3290 31153 1 8 WC 2 071 3 062 3 735 5 522 5311 7851 11 WC 1 476 2 183 3 457 5 110 5311 7851 31154 1 8 WC 2 567 3 197 4 629 5 766 6581 8197 11 WC 1 829 2 279 4 284...

Страница 42: ...151DC High Capacity 8 WC 1824 2771 1824 2771 1824 2771 11 WC 1824 2771 1824 2771 1824 2771 14 WC 1824 2771 1824 2771 1824 2771 31152DC 1 8 WC 2309 3290 2309 3290 2309 3290 11 WC 2309 3290 2309 3290 2309 3290 14 WC 2309 3290 2309 3290 2309 3290 31153DC 1 8 WC 5311 7851 5311 7851 5311 7851 11 WC 5311 7851 5311 7851 5311 7851 14 WC 5311 7851 5311 7851 5311 7851 31154DC 1 8 WC 6581 8197 6581 8197 6581...

Страница 43: ...1OPD High Capacity 8 WC 1824 2771 1824 2771 1824 2771 11 WC 1824 2771 1824 2771 1824 2771 14 WC 1824 2771 1824 2771 1824 2771 31152OPD 1 8 WC 2309 3290 2309 3290 2309 3290 11 WC 2309 3290 2309 3290 2309 3290 14 WC 2309 3290 2309 3290 2309 3290 31153OPD 1 8 WC 5311 7851 5311 7851 5311 7851 11 WC 5311 7851 5311 7851 5311 7851 14 WC 5311 7851 5311 7851 5311 7851 31154OPD 1 8 WC 6581 8197 6581 8197 65...

Страница 44: ... carried out with the reducer installed 4 6 1 SAFETY MEMBRANE Tripping of the safety membrane A results in replacement of the regulator The safety membrane A is a device capable of limiting the leakage of gas into the atmosphere if the working membrane B ruptures The tripping of the safety membrane A ensures gas leakage to the atmosphere of a maximum value of 30 l h Micro leakage of gas into the a...

Страница 45: ...sed outdoors or in environments exposed to the weather The vent limiter A is designed in accordance with ANSI Z21 80a 2005 requirements optional The vent limiter A prevents vent piping to the outside when stabilizer use is planned in enclosed rooms or spaces where limiting the amount of gas leakage due to membrane malfunction is critical A Fig 4 9 Installation of the vent limiter ...

Страница 46: ...RE GAS REGULATOR DESCRIPTION AND OPERATION REV A Operation maintenance and warning manual 4 6 3 PRESSURE TAP The pressure tap integrated A to the regulator is required for field verification of safety devices A Fig 4 10 Standard pressure taps ...

Страница 47: ...e maximum use pressure for the standard pressure tap is 0 5 bar To use the standard pressure tap A proceed as shown in Tab 4 25 Step Operation 1 Unscrew the locking screw B 2 Fit the rubber hose on the tang C making sure that the connection ensures tightness 3 Tighten the sealing screw B by checking for leakage from the pressure tap Tab 4 25 B A C Fig 4 11 Using standard pressure tap ...

Страница 48: ...48 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR DESCRIPTION AND OPERATION REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 49: ...tion and safety in the workplace authorized to use the lifting equipment and vehicles Transport and handling Operator qualification Installer PPE required The PPE listed in this chart relates to the risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions refer to the regulations in force in the country of i...

Страница 50: ... of the equipment it is necessary to check that the packaging is intact and that no part has been damaged during transport and or handling immediately report to PIETRO FIORENTINI S p A any damage found PIETRO FIORENTINI S p A is not liable for damage to property or persons caused by accidents caused by failure to comply with the instructions given in this manual In Tab 5 27 the types of packaging ...

Страница 51: ...n G in 31051 1 2 NPT 4 09 1 2 5 59 3 78 1 54 31052 3 4 NPT 4 09 3 4 5 59 3 78 1 54 31053 1 NPT 4 09 1 5 59 3 78 1 54 31150 1 2 NPT 4 72 1 2 6 89 4 49 2 75 31151 3 4 NPT 4 72 3 4 6 89 4 49 2 75 31152 1 NPT 4 72 1 6 89 4 49 2 75 31153 1 1 4 NPT 7 68 1 1 4 10 7 56 7 5 31154 1 1 2 NPT 7 68 1 1 2 10 7 56 7 5 31155 2 NPT 9 29 2 12 44 13 74 7 56 12 34 31156 F 2 1 2 Flanged 16 9 3 ANSI 150 17 09 12 52 27 ...

Страница 52: ...s Weight Lbs Model A in B in C NPT D NPT E in F in L150 R150 Y150 V150 1 2 4 72 1 2 67 32 8 82 L151 R151 Y151 V151 3 4 4 72 3 4 67 32 8 82 L152 R152 Y152 V152 1 4 72 1 67 32 8 82 L153 R153 Y153 1 1 4 7 72 1 1 4 94 88 70 55 L154 R154 Y154 1 1 2 7 72 1 1 2 94 88 70 55 L155 R155 Y155 2 9 21 2 119 29 108 03 L156 R156 Y156 2 1 2 DN65 16 93 2 1 2 168 70 304 24 L157 R157 Y157 3 DN80 16 93 3 168 70 304 24...

Страница 53: ...of the Ratio version Dimensions Weight Lbs Model A in B in C NPT D NPT E in F in L150 Y150 1 2 4 72 1 2 71 85 11 02 L151 Y151 3 4 4 72 3 4 71 85 11 02 L152 Y152 1 4 72 1 71 85 11 02 L153 Y153 1 1 4 7 72 1 1 4 98 23 74 96 L154 Y154 1 1 2 7 72 1 1 2 98 23 74 96 L155 Y155 2 9 21 2 122 83 114 64 L156 Y156 2 1 2 DN65 16 93 2 1 2 172 24 313 06 L157 Y157 3 DN80 16 93 3 172 24 313 06 L158 Y158 4 DN100 16 ...

Страница 54: ...1 1 2 NPT 8 46 1 2 5 59 3 78 3 25 31052 3 4 NPT 8 46 3 4 5 59 3 78 3 25 31053 1 NPT 8 46 1 5 59 3 78 3 25 31150 1 2 NPT 10 10 1 2 6 89 4 49 5 75 31151 3 4 NPT 10 10 3 4 6 89 4 49 5 75 31152 1 NPT 10 10 1 6 89 4 49 5 75 31153 1 1 4 NPT 16 69 1 1 4 10 7 56 15 5 31154 1 1 2 NPT 16 69 1 1 2 10 7 56 15 5 31155 2 NPT 19 88 2 12 44 13 74 7 56 25 31156 F 2 1 2 Flanged 33 93 3 ANSI 150 17 09 12 52 56 31157...

Страница 55: ...priate license when regulations in the country of installation require it and knowledgeable of accident prevention rules of safety in the workplace of the functionality and limitations of the lifting equipment Before moving a load make sure that its weight does not exceed the load capacity of the lifting means and any other equipment indicated on the specific plate Before moving the equipment remo...

Страница 56: ...vantaggiare il momento ribaltante e garantire una maggiore stabilità del carico durante il trasporto Adeguare la velocità d brusche 7 Posizionare il carico n Sollevare le forche fi Nota se necessario fi 3 Raise the forks until contact with the load If necessary secure the load to the forks with clamps or similar devices 2 1 1 2 3 4 5 6 Posizionare le forche del carrello elevatore sotto il piano de...

Страница 57: ...to al centro delle forche di sollevamento Inclinare il montante all indietro verso il posto guida per avvantaggiare il momento ribaltante e garantire una maggiore stabilità del carico durante il trasporto Adeguare la velocità d brusche 7 Posizionare il carico n 6 Adjust the transport speed according to the flooring and the type of load avoiding sudden maneuvers If encumbrances along the route part...

Страница 58: ...oard box proceed as specified in Tab 5 34 Step Operation Image 1 Remove the straps A B A A A 2 Remove the packing box B 3 Remove the clips that secure the equipment to the base when present 4 Move the equipment from the base to the place intended for it To manually handle the packages if their size weight requires it employ at least 2 operators Tab 5 34 After removing all packing materials check f...

Страница 59: ...uipment is to be stored for a long period are given in Tab 5 40 Compliance with these conditions guarantees the stated performance Terms and conditions Data Maximum storage period 5 years Temperature Not higher than 40 C Humidity Not more than 70 Radiation and light sources Away from radiation and light sources as per UNI ISO 2230 2009 standard Tab 5 35 5 5 1 STORAGE LONGER THAN THE MAXIMUM ALLOWA...

Страница 60: ...60 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR TRANSPORT AND HANDLING REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 61: ... in this chart relates to the risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or operating conditions refer to the regulations in force in the country of installation any indications provided by the Safety Manager at the installation facility Tab 6 36 We list the types of equipment required for installation commissioning a...

Страница 62: ...62 GOVERNORS NORTH AMERICA US Operation maintenance and warning manual LOW PRESSURE GAS REGULATOR COMMISSIONING MAINTENANCE EQUIPMENT REV A PAGE INTENTIONALLY LEFT BLANK ...

Страница 63: ... paragraph 2 8 Identification plates applied The equipment should be installed away from the weather and direct sunlight The place of installation must be suitable for safe use of the equipment The installation area of the equipment must have lighting that guarantees the operator good visibility during the work phases on the equipment 7 1 2 STORAGE LONGER THAN THE MAXIMUM ALLOWABLE DURATION It is ...

Страница 64: ...he installation you must make sure that The direction of flow is adhered to as indicated on the equipment At least one upstream shutoff valve is present At least one downstream shutoff valve is present the data on the identification plates affixed to the equipment refer to section 2 8 of the manual correspond to what is required by or from the connected combustion appliances the equipment has not ...

Страница 65: ...n measures For these measures please refer to the regulations in force at the place of installation Near the equipment it is forbidden to use open flames for example for welding operations smoke The equipment installation room must ensure good ventilation comply with the ambient temperature of use as stated in Section 4 5 Technical features perfor mance The installer must use the fittings and gask...

Страница 66: ...by the arrow on the equipment itself the correct mounting position M ax 90 M ax 90 Fig 7 16 Correct mounting position of the Standard Goval versions When the device is used in gas pressure reduction stations it must be installed at least according to the requirements of UNI EN 12186 2014 or UNI EN 12279 2007 The vents of the equipment must be channeled according to UNI EN 12186 2014 or UNI EN 1227...

Страница 67: ...ION TYPE STANDARD GOVAL VERSION The following must be present in the standard installation of the equipment and the Goval version Pos Description A Pressure regulator B Shut off valve upstream of the regulator A C Shut off valve downstream of the regulator when required D Burner Tab 7 38 B A C D Fig 7 17 Example of installation of the Standard Goval versions ...

Страница 68: ...LLATION REV A Operation maintenance and warning manual 7 3 2 ZERO VERSION INSTALLATION When installing the equipment in the Zero version there must be Pos Description A Filter B Solenoid valve C Zero version regulator D Motor Tab 7 39 GAS A B C D Fig 7 18 Zero version installation examples ...

Страница 69: ... Operation maintenance and warning manual 7 3 3 RATIO VERSION INSTALLATION When installing the equipment in the Ratio version there must be Pos Description A Filter B Ratio version regulator ratio 1 1 C Solenoid valve D Solenoid valve Tab 7 40 GAS AIR A B C D Fig 7 19 Ratio version installation examples ...

Страница 70: ...anual 7 3 4 INSTALLATION TYPE OPD DUAL CUT VERSION When installing the OPD and Dual Cut versions there must be Pos Description A Pressure regulator B Shut off valve upstream of the regulator A C Shut off valve downstream of the regulator when required D Burner Tab 7 41 B A C D Fig 7 20 Example of installation of the OPD Dual Cut versions ...

Страница 71: ... recommended to be avoided To install the equipment proceed as shown in Tab 7 43 Step Operation 1 Apply the checks in Section 7 1 3 Checks before installation 2 Remove any packaging protection of the equipment if any 3 Purge the line of contained air 4 Make the connection making sure that the inlet and outlet pipes do not exert excessive bending or tensile forces on the body of the equipment in re...

Страница 72: ... directly at the factory PIETRO FIORENTINI S p A No further adjustments need to be made Calibration values are indicated on the identification plate refer to Section 2 8 Adjustment Operator qualification Installer PPE required The PPE listed in this chart relates to the risk associated with the equipment For the PPE required to protect against risks associated with the workplace installation or op...

Страница 73: ...n Tab 7 45 Step Operation Equipment required 1 Remove the top cap A of the regulator 2 Turn the ring nut B clockwise to increase the downstream pressure counterclockwise to decrease the downstream pressure Hexagonal wrench CH 11 mm 3 Replace the top cap A of the regulator Tab 7 45 A B Fig 7 21 Operating pressure adjustment Standard version Small calibration variations of 10 from the value on the i...

Страница 74: ...the Zero version regulator in order to increase or decrease the zero pressure proceed as shown in Tab 7 46 Step Operation Equipment required 1 Remove the top cap A of the regulator 2 Turn the ring nut B clockwise to increase the downstream pressure counterclockwise to decrease the downstream pressure Hexagonal wrench CH11 mm 3 Replace the top cap A of the regulator Tab 7 46 GAS A B Fig 7 22 Zero v...

Страница 75: ...low rate In this way the gas air mixture does not change In case it is necessary to change the calibration values of the Ratio version regulator in order to increase or decrease the operating pressure proceed as shown in Tab 7 47 Step Operation Equipment required 1 Remove the top cap A of the regulator 2 Turn the setting screw B clockwise to increase the downstream pressure counterclockwise to dec...

Страница 76: ...of the downstream regulator 2 Turn the ring nut B of the downstream regulator clockwise to increase the downstream pressure counterclockwise to decrease the downstream pressure Hexagonal wrench CH 11 mm 3 Replace the top cap A of the downstream regulator Tab 7 48 A B Fig 7 24 Operating pressure adjustment Standard version Small calibration variations of 10 from the value on the identification plat...

Страница 77: ...ap A of the downstream regulator 2 Turn the ring nut B of the downstream regulator clockwise to increase the downstream pressure counterclockwise to decrease the downstream pressure Hexagonal wrench CH 11 mm 3 Replace the top cap A of the downstream regulator Tab 7 49 A B Fig 7 25 Operating pressure adjustment Standard version Small calibration variations of 10 from the value on the identification...

Страница 78: ...78 GOVERNORS NORTH AMERICA 78 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR INSTALLATION REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 79: ...the line is not adopted During commissioning operations unauthorized personnel must stay out Commissioning must be carried out by authorized and licensed personnel Before commissioning the equipment it is necessary to check that all shut off valves inlet outlet bypass if applicable are closed Commissioning Operator qualification Commissioning technician PPE required The PPE listed in this chart re...

Страница 80: ...e the following operations should never be carried out pressurization through a valve located downstream of the equipment itself depressurization through a valve located upstream of the equipment itself 8 3 CALIBRATION OF SAFETY DEVICES The equipment is regulated at the manufacturing plants of PIETRO FIORENTINI S p A It is prohibited to tamper with or make unauthorized changes on the equipment wit...

Страница 81: ...eed as shown in Tab 8 51 Step Operation 1 Partially open the downstream vent tap when present 2 Slowly open upstream shutoff devices e g OPSO block valve valve B etc 3 Wait for the downstream pressure to stabilize at the spring setting P2 indicated on the plate Refer to Section 2 8 Identification plates applied et seq for the values on the identification plate 4 Close the vent tap Tab 8 51 B A C D...

Страница 82: ...ially open the downstream vent tap when present 2 Slowly open upstream shutoff devices e g solenoid valves OPSO block valve etc 3 Wait for the downstream pressure to stabilize at the spring setting P2 indicated on the plate Refer to Section 2 8 Identification plates applied et seq for the values on the identification plate 4 Proceed as indicated in Section 7 5 2 Zero version adjustments 5 Close th...

Страница 83: ...en upstream shutoff devices e g solenoid valves OPSO block valve etc 3 Wait for the downstream pressure to stabilize at the spring setting P2 indicated on the plate Refer to Section 2 8 Identification plates applied et seq for the values on the identification plate 4 Proceed as indicated in Section 7 5 3 Ratio version adjustments Act on the setting screw to calibrate the regulator by checking the ...

Страница 84: ...upstream shutoff devices e g OPSO block valve valve B etc 3 Wait for the downstream pressure to stabilize at the spring setting P2 indicated on the plate Refer to Section 2 8 Identification plates applied et seq for the values on the identification plate 4 Close the vent tap Tab 8 54 B A C D Fig 8 29 Commissioning OPD and Dual Cut versions 8 5 VERIFICATION OF PROPER COMMISSIONING Check the tightne...

Страница 85: ...mage can be attributed to PIETRO FIORENTINI S p A for interventions performed without the authorizations In case of doubts or functional abnormalities operation is prohibited Contact PIETRO FIORENTINI S p A for necessary clarification In case of equipment malfunction it is necessary to Step Operation 1 Close the downstream shut off valve of the equipment 2 Close the upstream shut off valve of the ...

Страница 86: ...e with pressure control available that the external pressure source is connected to a pressure gauge and a tap with a maximum passage cross section of 4 mm Leakage of gas into the environment must be kept to an absolute minimum To minimize gas leakage to the atmosphere perform the connection disconnection operations of the ex ternal source as quickly as possible To check the safety devices proceed...

Страница 87: ...tep Operation 6 Close the downstream pressure tap Step 3 7 Open the shut off valve closed in Step 1 8 Perform commissioning as described in Section 7 4 9 Check for leaks at the closed pressure tap at Step 6 Tab 9 57 9 3 TIGHTENING TORQUES Refer to the following standards for tightening torques for swivels NF E29 533 2014 and NF E29 536 2017 ...

Страница 88: ...ERICA US LOW PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL TESTING REV A Operation maintenance and warning manual 9 4 STABILIZER MAINTENANCE H T R Q S A M L V K F G C I N O W P U B D E J Fig 9 30 Stabilizer maintenance ...

Страница 89: ...2 1 5 Remove the top cover I 6 Remove the safety membrane S 7 Remove and replace the spring guide J 8 Unscrew and remove the screws K 9 Remove the lower cover L 10 Remove the O ring F 11 Remove the filter element A 12 Turn the stabilizer body upside down 13 Hold the stabilizer body in place using the plug lock 14 Unscrew the nut N 15 Slide out the working membrane disk O During this step hold the ...

Страница 90: ...GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL TESTING REV A Operation maintenance and warning manual H T R Q S A M L V K F G C I N O W P U B D E J Stabilizer maintenance ...

Страница 91: ...ing of the working membrane R must be inside the groove Check the cleanliness of the groove 31 Insert the balancing membrane lock disk U 32 Insert and secure the nut N according to the torque values of current guidelines and regulations 33 Turn the stabilizer body upside down 34 Insert the filter element A Verify the correct position within the housing 35 Put the O ring F in place Check for cleanl...

Страница 92: ...GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL TESTING REV A Operation maintenance and warning manual H T R Q S A M L V K F G C I N O W P U B D E J Stabilizer maintenance ...

Страница 93: ...nt hole is perpendicular to the outlet pipe 41 Insert and fasten screws H according to the torque values of current guidelines and regulations NOTICE Grease the holes before inserting the screw 42 Insert the calibration spring E 43 Position the spring press D 44 Insert and tighten the adjustment ring nut C 45 Remove and replace the O ring G 46 Insert cap B into the top cover I Tab 9 58 ...

Страница 94: ...94 GOVERNORS NORTH AMERICA US LOW PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL TESTING REV A Operation maintenance and warning manual PAGE INTENTIONALLY LEFT BLANK ...

Страница 95: ...inst risks associated with the workplace installation or operating conditions refer to the regulations in force in the country of installation any indications provided by the Safety Manager at the installation facility Tab 10 59 10 3 UNINSTALLING Before uninstalling the equipment completely drain the fluid in the reduction line and inside the equip ment For proper uninstallation of the equipment p...

Страница 96: ...Tab 10 61 Step Operation 1 Prepare a large clutter free work area so that equipment dismantling operations can be carried out safely 2 Separate the various components by material type in a way that facilitates recycling through separate collec tion 3 Entrust the materials obtained in Step 2 to a specialized company Tab 10 61 The equipment in all possible configurations consists of the following ma...

Страница 97: ...51 52 53 31051 52 53 DN 15 20 25 1 2 3 4 1 30150 51 52 31150 51 52 DN 15 20 25 1 2 3 4 1 30153 54 54F 31153 54 54F DN 32 40 1 1 4 1 1 2 30155 55F 31155 55F DN 50 2 30156F 57F 30158F DN 65 80 100 Range mbar Spring color Spring code 5 13 Green 64470219 64470228 64470246 64470255 64470320 7 20 Red 64470220 64470229 64470247 64470256 64470324 10 30 White 64470221 64470230 64470248 64470257 64470325 15...

Страница 98: ...TM0061USA ...

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