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Summary of Contents for PIETRO FIORENTINI FE75
- Page 1 FE75, FE100 Low-pressure gas regulator Revision A - Edition 04/2022 USE, MAINTENANCE USE, MAINTENANCE AND WARNING AND WARNING INSTRUCTIONS INSTRUCTIONS...
- Page 2 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR INTRODUCTION REV. A Use, maintenance and warning instructions...
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Page 3: Introduction
Training the personnel in charge is essential in order to: • properly use the equipment; • correctly apply the safety alerts and procedures recommended. COPYRIGHT 2024 © PIETRO FIORENTINI S.P.A. LOW-PRESSURE GAS REGULATOR INTRODUCTION REV. A Use, maintenance and warning instructions... - Page 4 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR INTRODUCTION REV. A Use, maintenance and warning instructions...
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Page 5: Revision History
1.1 - REVISION HISTORY Revision index Date 04/2022 Tab. 1.1. LOW-PRESSURE GAS REGULATOR INTRODUCTION REV. A Use, maintenance and warning instructions... -
Page 6: Table Of Contents
INDICE 1 - INTRODUCTION ........................3 1.1 - REVISION HISTORY ..........................5 2 - GENERAL INFORMATION ....................9 2.1 - MANUFACTURER IDENTIFICATION ......................9 2.2 - IDENTIFICATION OF THE PRODUCT ......................9 2.3 - REGULATORY FRAMEWORK ........................9 2.4 - WARRANTY .............................. 9 2.5 - ADDRESSEES, SUPPLY AND STORAGE OF THE INSTRUCTION MANUAL ........... - Page 7 4 - DESCRIPTION AND OPERATION ..................25 4.1 - GENERAL DESCRIPTION ........................25 4.2 - OPERATION ............................26 4.3 - INTENDED USE ............................27 4.3.1 - ENVISAGED USE ..........................27 4.3.2 - REASONABLY FORESEEABLE MISUSE ....................27 4.3.3 - TYPES OF FLUIDS ..........................27 4.4 - MODELS AND CONFIGURATIONS ......................
- Page 8 7 - COMMISSIONING ......................53 7.1 - GENERAL WARNINGS ........................... 53 7.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING ................53 7.2 - PRELIMINARY PROCEDURES FOR COMMISSIONING ................54 7.3 - CALIBRATION OF SAFETY DEVICES ...................... 54 7.4 - COMMISSIONING THE REGULATOR ..................... 54 7.4.1 - COMMISSIONING OF THE REGULATOR WITH SLAM-SHUT VALVE ............55 7.5 - PROPER COMMISSIONING CHECK ......................
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Page 9: General Information
PIETRO FIORENTINI S.P.A. guarantees that the equipment was manufactured using the best materials, with high quality workmanship, and complies with the quality requirements, specifications and performance set out in the order. The warranty shall be considered null and void and PIETRO FIORENTINI S.P.A. shall not be liable for any damage and/or malfunctions: •... -
Page 10: Addressees, Supply And Storage Of The Instruction Manual
Keep the instruction manual near the equipment, in an accessible place known by all qualified technicians involved in using and running it. PIETRO FIORENTINI S.p.A. shall not be held liable for any damage to people, animals and property caused by failure to adhere to the warnings and operating procedures described in this instruction manual. -
Page 11: Symbols Used In The Manual
2.7 - SYMBOLS USED IN THE MANUAL Throughout the manual, symbols (some of them conforming to ANSI Z535.4) are used for: • emphasise relevant information; • draw attention to the correct and safe use of the machine. Symbol Definition Symbol used to identify important warnings for the safety of the operator and/or equipment. Symbol used to identify information of particular importance in the instruction manual. -
Page 12: Nameplates Applied
Removing nameplates and/or replacing them with other plates is strictly not allowed. Should the plates be unintentionally damaged or removed, the customer must notify PIETRO FIORENTINI S.p.A. The equipment and its accessories are provided with nameplates (from Id.1 to Id.4). -
Page 13: Glossary For Nameplates
2.8.1 - GLOSSARY FOR NAMEPLATES Tab. 2.6. terms and abbreviations used on the identification plate are described: Label terminol- Description S.N. Regulator serial number. Inlet Input pressure range. Delivery Outlet pressure. OPSO Value for the downstream overpressure mechanism tripping. Date Date of manufacture. -
Page 14: Qualified Professional Figures
2.10 - QUALIFIED PROFESSIONAL FIGURES Qualified operators in charge of using and managing the equipment throughout its technical service life: Professional figure Definition Qualified operator able to: • handle materials and equipment. • carry out all the operations necessary to properly install the equipment; •... -
Page 15: Safety
3 - SAFETY 3.1 - GENERAL SAFETY WARNINGS The equipment described in this instruction manual is: • a device subjected to pressure in pressurised systems; • normally installed in systems carrying flammable gases (for example: natural gas). If the gas used is a combustible gas, the installation area of the equipment is defined as a “danger zone” as there are residual risks that potentially explosive atmospheres may be generated. -
Page 16: Personal Protective Equipment
3.2 - PERSONAL PROTECTIVE EQUIPMENT Table 3.9 shows the personal protective equipment (PPE) and its description. An obligation is associated with each symbol. Personal protective equipment means any equipment intended to be worn by the worker in order to protect them against one or several risks that are likely to threaten their safety or health during work. -
Page 17: Residual Risks
3.3 - RESIDUAL RISKS The equipment of FE75, FE100 does not fall within the scope of the PED 2014/68/EU directive. The risks associated with the equipment are assessed below and the principles adopted for their prevention are indicated, according to the following classification: a) Elimination and/or reduction of the risk. - Page 18 3.3.1 - TABLE SHOWING RESIDUAL RISKS DUE TO PRESSURE If there are any functional faults, do not operate. Immediately contact PIETRO FIORENTINI S.p.A. for the necessary directions. Effect and Risk and Hazard Event and Cause Solution and Prevention Consequence Pressurised gas a.
- Page 19 Deterioration of Projection of • Environments with a. The user must shut off the line and con- external surfaces. metallic and aggressive atmos- tact PIETRO FIORENTINI S.p.A. • corrosion. non-metallic pres- phere. surised parts. Tab. 3.10. LOW-PRESSURE GAS REGULATOR SAFETY REV.
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Page 20: Table Of Residual Risks For Potentially Explosive Atmospheres
3.3.2 - TABLE OF RESIDUAL RISKS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES Table 3.11 shows the conditions that can lead the pressure regulators FE75, FE100 to generate a potentially explosive atmosphere. The table is valid for use with natural gas with a density of no more than 0.8; for different densities, the installation and environmental conditions must also be evaluated. - Page 21 Management measures in- Atmosphere Operating cluded in the use, potentially Regulatory References conditions maintenance and warning explosive manual • Pressure must be reduced in the system section, where the equip- The manual refers to the need to ment is installed, inside a suitably Decommissioning operate in a suitably ventilated en- ventilated room.
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Page 22: Obligations And Prohibitions
3.4 - OBLIGATIONS AND PROHIBITIONS The following is a list of obligations and prohibitions to be observed for the safety of the operator: • carefully read and understand the use, maintenance and warning manual; • check whether the downstream equipment is suitably sized according to the performance required of the regulator in the actual operating condition;... -
Page 23: Safety Pictograms
For the value of the noise generated by the equipment and further information, contact PIETRO FIORENTINI S.p.A. The obligation to use headphones or ear plugs to protect the operator's hearing remains in the event that the noise in the installation environment of the equipment (depending on specific operating conditions) exceeds the value of 85 dBA. - Page 24 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR SAFETY REV. A Use, maintenance and warning instructions...
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Page 25: Description And Operation
Double stage regulation valve (3) imum downstream pressure Reset knob protection cap (4) Tab. 4.13. pstream pressUre ntermedIate pressUre ownstream pressUre Fig. 4.1. General description FE75, FE100 (basic version) LOW-PRESSURE GAS REGULATOR DESCRIPTION AND OPERATION REV. A Use, maintenance and warning instructions... -
Page 26: Operation
4.2 - OPERATION FE75, FE100 equipment consists of regulators featuring: • self-operation; • low pressure suitability; • a dual regulation stage. Tab. 4.14. describes the operation of the equipment in a simplified manner: Step Description The upstream pressure (A) feeds the regulator. -
Page 27: Intended Use
If no written approval is provided, use shall be considered improper. In the event of “improper use”, PIETRO FIORENTINI S.p.A. shall not be held liable for any damage caused to people or property, and any type of warranty on the equipment shall be deemed void. -
Page 28: Models And Configurations
4.4 - MODELS AND CONFIGURATIONS FE75, FE100 has 2 standard models based on the nominal flow rate as shown in Tab. 4.16.: Regulator trade Nominal Minimum name flow rate input pressure FE75 2649 scfh pds + 7.3 psig FE100 3531 scfh pds + 7.3 psig... - Page 29 Some typical versions are listed below, also by way of example: The different versions of the equipment must be: • contractually established; • set up at PIETRO FIORENTINI S.p.A. plants only Type Description In case of breakage of the working diaphragm, installing a safety diaphragm guarantees: Version •...
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Page 30: Surface Treatments
Type Description Special surface guards combined with the use of specific components make this ver- sion suitable for installation in underground wells. The underground version of the regulator is not suitable for operation if com- pletely covered by earth or other types of debris. For specific installation and checks of the underground version after com- missioning, see chapter 7. -
Page 31: Technical Features/Performance
4.5 - TECHNICAL FEATURES/PERFORMANCE To classify the functional performance of the equipment, refer to standards UNI 11655:2016 and UNI EN 16129:2013. The main specifications can be found in Tab.4.19: Technical features Design pressure 0.86 MPa (DP) 124.7 psig 0.01 - 0.86 MPa Inlet pressure range 1.5 - 124.7 psig... -
Page 32: Safety Devices
4.6 - SAFETY DEVICES To prevent the safety devices from tripping during normal service (when there are no faults at user level): • do not exceed the maximum capacity values of the regulator; • do not feed the regulator with pressures lower than the minimum values specified; •... -
Page 33: Relief Valve
4.6.2 - RELIEF VALVE The relief valve (A) is a safety device that is used to: • automatically discharge a gas flow into the atmosphere through the exhaust conveyor (B), when the pressure detect- ed downstream exceeds a pre-set value and •... -
Page 34: Pressure Outlet
4.6.3 - PRESSURE OUTLET For an in-field check of the safety devices, a pressure outlet (A) built in the regulator or on the downstream section of the system is required. Only two types of pressure outlet can be built into the regulator: •... -
Page 35: Procedure Of Use With Standard Pressure Outlet
4.6.3.1 - PROCEDURE OF USE WITH STANDARD PRESSURE OUTLET The maximum operating pressure for the standard pressure outlet is 7.3 psig. To use the standard pressure outlet (A), proceed as shown in Tab.4.20: Step Action Undo the locking screw (B). Fit the rubber tube on the tang (C) making sure that the connection is sealed. -
Page 36: Procedure Of Use With Peterson Model Pressure Outlet
4.6.3.2 - PROCEDURE OF USE WITH PETERSON MODEL PRESSURE OUTLET The maximum operating pressure for a Peterson model standard pressure outlet is 145 psig. The pressure gauge (E) and the ring nut (D) are not included in the standard scope of supply and are sup- plied only on request. -
Page 37: Transport And Handling
5 - TRANSPORT AND HANDLING 5.1 - SPECIFIC WARNINGS FOR TRANSPORT AND HANDLING NOTICE! Transport and handling must be carried out in compliance with the regulations in force in the country of installation by personnel who are: • qualified (specially trained); •... -
Page 38: Packaging And Fasteners Used For Transport
• immediately report any damage found to PIETRO FIORENTINI S.p.A.. 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. Tab. 5.23. describes the types of packaging used: Ref. -
Page 39: Serie Fex Csa Physical Characteristics
1" x 1" 1/4 NPT fittings Maximum increase with 2" x 2" NPT fittings Tab. 5.25. Refer to the product configurator (“sizing”) of the website PIETRO FIORENTINI S.p.A. (www.fiorentini.com) for the dimensions and weight of the equipment. LOW-PRESSURE GAS REGULATOR TRANSPORT AND HANDLING REV. -
Page 40: Equipment Anchoring And Lifting Method
5.3 - EQUIPMENT ANCHORING AND LIFTING METHOD Using lifting equipment (if necessary) for unloading, carrying and handling packages is reserved only for skilled operators who have been properly trained (and are appropriately qualified if required by the regula- tions in force in the country of installation) and are familiar with: •... -
Page 41: Forklift Handling Method
5.3.1 - FORKLIFT HANDLING METHOD It is forbidden to: • Do not transit under suspended loads; • Do not move the load over the personnel operating in the site/plant area. The following is not allowed on forklifts: • carrying passengers; •... - Page 42 Step Action Image Sollevare lentamente il carico di qualche decina di centimetri e veri carne la stabilità facendo attenzio- Inclinare il montante all’indietro (verso il posto guida) per avvantaggiare il momento ribaltante e Adeguare la velocità d ne che il baricentro del carico sia posizionato al centro delle forche di sollevamento. garantire una maggiore stabilità...
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Page 43: Packaging Removal
• contact PIETRO FIORENTINI S.p.A. and specify the details provided on the equipment nameplate. 5.4.1 - PACKAGING DISPOSAL Sort the various materials making up the packaging and dispose of them in compliance with the regula- tions in force in the country of installation. -
Page 44: Storage And Environmental Conditions
5.5 - STORAGE AND ENVIRONMENTAL CONDITIONS Protect the regulator from blows and impacts, even accidental, until it is installed. If the equipment needs to be stored for an extended period, the minimum environmental conditions for the intended stor- age are provided in Tab.5.29. Compliance with these conditions will guarantee the declared performance: Conditions Data Maximum storage period... -
Page 45: Installation
6 - INSTALLATION 6.1 - INSTALLATION PRE-REQUISITES 6.1.1 - ALLOWED ENVIRONMENTAL CONDITIONS To safely use the equipment, in full respect of the allowed environmental conditions, follow the data shown on the regulator plate and on any accessories (refer to paragraph 2.8 “Nameplates applied”). The installation site must be suitable for the safe use of the equipment. -
Page 46: Checks Before Installation
6.1.3 - CHECKS BEFORE INSTALLATION With respect to its design pressure (DP), the equipment does not require any further safety device upstream to protect against any overpressure when, for the upstream reduction station, the maximum incidental downstream pressure is: MIPd ≤ 1.1 DP MIPd = Maximum incidental downstream pressure value (for further information, see UNI EN 12186:2014). -
Page 47: Specific Safety Instructions For The Installation Step
The installer must: • use the fittings and gaskets supplied with the equipment by PIETRO FIORENTINI S.p.A. • fix the swivel joints (when provided) according to the tightening torques specified by standards: NF E29-533: 2014 and NF E29-536: 2017. -
Page 48: General Information On The Line
6.3 - GENERAL INFORMATION ON THE LINE The device must be installed in the line, with the arrow on its body pointing to the gas flow direction. In the typical and most frequent installation, the following must be available: Pos. Description Pressure regulator. -
Page 49: Installation Procedures
6.4 - INSTALLATION PROCEDURES • With natural gas or other non-corrosive gases that are not subject to recondensation, the equipment can be installed in any flow direction. • Please avoid any mounting positions with outlet flow facing upwards in installations using LPG. For information about how to mount the regulator in keeping with the available models and configurations (see paragraph 4.4. -
Page 50: Post-Installation Instructions
UNI EN ISO 228-1). Tab. 6.33. The warranty shall be deemed null and void and PIETRO FIORENTINI S.p.A. shall not be held liable for any damage and/or malfunctions if the fittings used during installation are not those supplied. 6.4.1 - POST-INSTALLATION INSTRUCTIONS Make sure all connections are properly tightened to prevent any leakage during commissioning. -
Page 51: Equipment Adjustments
6.5 - EQUIPMENT ADJUSTMENTS All regulators are calibrated to the values requested by the customer directly at PIETRO FIORENTINI S.p.A. factory No further adjustments are required. The calibration values are specified on the nameplate (refer to paragraph 2.8). Adjustment Operator qualification •... - Page 52 10 (“Calibra- tion tables”). The relief valve pressure does not need to be adjusted. Contact PIETRO FIORENTINI S.p.A. for any further need. Do not make any unauthorised changes to the equipment without the approval of PIETRO FIORENTINI S.p.A.
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Page 53: Commissioning
7 - COMMISSIONING 7.1 - GENERAL WARNINGS 7.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING During commissioning the risks associated with any discharges to the atmosphere of flammable or nox- ious gases must be evaluated. In case of installation on distribution networks for natural gas, consider the risk associated with explosive mixtures (gas/air) being formed inside the piping, if the line is not subjected to inerting. -
Page 54: Preliminary Procedures For Commissioning
7.3 - CALIBRATION OF SAFETY DEVICES The equipment is regulated at PIETRO FIORENTINI S.p.A. production plants Do not tamper with or make any unauthorised changes to the equipment without the approval of PIETRO FIORENTINI S.p.A. -
Page 55: Commissioning Of The Regulator With Slam-Shut Valve
7.4.1 - COMMISSIONING OF THE REGULATOR WITH SLAM-SHUT VALVE For commissioning of the regulator (A), with shut-off device for maximum/minimum downstream pressure, proceed as shown in Tab. 7.37.: Step Action Slowly open the shut-off valve upstream of the regulator (A) to feed it. Unscrew the protection cap (B) of the reset knob (C). -
Page 56: Proper Commissioning Check
7.5 - PROPER COMMISSIONING CHECK Check the connections made during the installation of the equipment (refer to chapter 6 “Installation”) for proper sealing through a foaming solution (or equivalent control system). 7.6 - RESET OF SAFETY DEVICES AFTER COMMISSIONING Before resetting the safety devices, eliminate the causes that caused them to trip. •... -
Page 57: Functional Checks
GENERAL WARNINGS The equipment does not need any periodic checks and maintenance procedures. PIETRO FIORENTINI S.p.A. shall not be held liable for any damage to people and property due to services provided without its approval. If you have doubts or there are any functional faults, do not operate. Contact PIETRO FIORENTINI S.p.A. -
Page 58: Periodically Checking And Inspecting The Equipment For Proper Operation
8.2 - PERIODICALLY CHECKING AND INSPECTING THE EQUIPMENT FOR PROPER OPERATION Checks and inspections must be carried out only by qualified technicians. Periodic checks and inspections Operator qualification • Commissioning technician. The PPE listed in this table is related to the risk associated with the equipment. PPE required For the PPE required to protect against risks associated with the workplace, installation or operating conditions, please refer to:... - Page 59 Step Action Checking the slam-shut device for tripping due to maximum/minimum downstream pressure: 1. open the external pressure source by increasing the pressure by approximately: • 2.9 psig/s for the BP version; • 7.25 psig/s for the MP version; until the slam-shut device trips due to maximum pressure when the reset extension trips;...
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Page 60: Tightening Torques
8.3 - TIGHTENING TORQUES For the tightening torques of the swivel joints, refer to standards: NF E29-533: 2014 and NF E29-536: 2017. LOW-PRESSURE GAS REGULATOR FUNCTIONAL CHECKS REV. A Use, maintenance and warning instructions... -
Page 61: Uninstallation And Disposal
9 - UNINSTALLATION AND DISPOSAL 9.1 - GENERAL SAFETY WARNINGS Make sure that there are no potentially explosive ignition sources in the work area set up to uninstall and/ or dispose of the equipment. Before proceeding with uninstallation and disposal, make the equipment safe by disconnecting it from any power supply. -
Page 62: Information Required In Case Of New Installation
9.4 - INFORMATION REQUIRED IN CASE OF NEW INSTALLATION Should the equipment be reused after uninstallation, please refer to chapters: “Installation” and “Commis- sioning”. 9.5 - DISPOSAL INFORMATION • Proper disposal prevents damage to humans and the environment and promotes the reuse of precious raw materials. -
Page 63: Calibration Tables
10 - CALIBRATION TABLES 10.1 - CALIBRATION TABLES When the value indicated on the regulator plate is equal to the minimum or maximum value of a spring referred to in the tables, the spring installed in the regulator is the one featuring the minimum range value equal to the calibration value specified on the data plate. - Page 64 BP FEX 75-100 SLAM-SHUT VALVE FOR UNDERPRESSURE Spring range (“w.c.) Spring item Pos. Spring colour code Min. Max. 64470308NE Black 0.04 1.16 0.60 64470128VE Green 0.05 1.38 0.59 64470024BI White 0.05 1.77 0.59 64470031RO 0.07 1.57 0.59 64470038GI Yellow 0.08 1.57 0.59 d = Wire Diameter (in)
- Page 65 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR CALIBRATION TABLES REV. A Use, maintenance and warning instructions...
- Page 66 TM0143USA...
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