Table of Contents
Advertisement
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for PIETRO FIORENTINI GOVERNOR 30051
Summary of Contents for PIETRO FIORENTINI GOVERNOR 30051
- Page 1 GOVERNORS Regolatori per gas di bassa pressione Low pressure gas regulators Revision A - Edition 09/2022 USE, MAINTENANCE USE, MAINTENANCE MANUALE USO, MANUALE USO, MANUTENZIONE MANUTENZIONE AND WARNING AND WARNING E AVVERTENZA E AVVERTENZA MANUAL MANUAL...
- Page 2 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR INTRODUCTION REV. A Use, maintenance and warning manual...
-
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. Revision: A COPYRIGHT 2023 © 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 manual...
-
Page 5: Revision History
1.1 - REVISION HISTORY Revision Date Revision contents index 21/09/2022 First issue Tab. 1.1. LOW-PRESSURE GAS REGULATOR INTRODUCTION REV. A Use, maintenance and warning instructions... -
Page 6: Table Of Contents
INDEX 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 ............................10 2.5 - ADDRESSEES, SUPPLY AND STORAGE OF THE INSTRUCTION MANUAL ........... - Page 7 4.5 - TECHNICAL/FUNCTIONAL FEATURES ....................31 4.5.1 - FLOW COEFFICIENTS ..........................32 4.6 - SAFETY DEVICES ........................... 33 4.6.1 - SAFETY DIAPHRAGM ...........................33 4.6.2 - SLAM-SHUT VALVE FOR MINIMUM AND MAXIMUM PRESSURE ............34 4.6.3 - PRESSURE OUTLET ..........................35 4.6.3.1 - PROCEDURE OF USE WITH STANDARD PRESSURE OUTLET ...........36 5 - TRANSPORT AND HANDLING ..................
- Page 8 7.5 - EQUIPMENT ADJUSTMENTS ......................... 59 7.5.1 - ADJUSTMENTS STANDARD VERSION ....................60 7.5.2 - ZERO VERSION ADJUSTMENTS ......................61 7.5.3 - RATIO VERSION ADJUSTMENTS ......................62 8 - COMMISSIONING ......................63 8.1 - GENERAL WARNINGS ........................... 63 8.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING ................63 8.2 - PRELIMINARY PROCEDURES FOR COMMISSIONING ................
-
Page 9: General Information
2.3 - REGULATORY FRAMEWORK PIETRO FIORENTINI S.P.A. with registered offices in Arcugnano (Italy) - Via E. Fermi, 8/10, declares that the equipment of GOVERNORS described in this manual is designed, manufactured, tested and checked in compliance with the require- ments of standards: UNI EN 88-1:2016; UNI 11655:2016, UNI EN 16129:2013 where applicable. -
Page 10: 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 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 11: Symbols Used In The Manual
2.7 - SYMBOLS USED IN THE MANUAL 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. The information may also concern the safety of the personnel involved in using the equipment. Obligation to refer to the manual. -
Page 12: Applied Rating Plates
Removing nameplates and/or replacing them with other plates is strictly not allowed. FMF3XXXXXXXXXX CONNECTION Should the plates be unintentionally damaged or removed, the customer must notify PIETRO FIORENTINI S.p.A. FMF3XXXXXXXXXX FMF3XX The equipment and its accessories are provided with nameplates (from Id.1 to Id.8). - Page 13 FMF3XXXXXXXXXX FMF3XX Filter: ____ Filter: ____ PL: xxxxx Filter: ____ PL: xxxxx PL: xxxxx Type Image FMF3XXXXXXXXXX FMF3XX FMF3XXXXXXXXXX FMF3XX FMF3XXXXXXXXXX FMF3XX FMF3XXXXXXXXXX FMF3XXXXXXXXXX Filter: ____ GOVAL LABEL (non-CE) Filter: ____ PL: xxxxx Filter: ____ PL: xxxxx Filter: ____ Filter: ____ PL: xxxxx PL: xxxxx PL: xxxxx...
-
Page 14: Glossary For Nameplates
2.8.1 - GLOSSARY FOR NAMEPLATES The terms and abbreviations used on the nameplate are described below: Label terms Description Spain Standard Russia Poland Turkey Romania Kroms Inlet pressure range max/min Adjusted pressure Pç Slam-shut Slam-shut device device ЛЗК Макс Tripping pressure Zaw.up. -
Page 15: Glossary Of Measurement Units
2.9 - GLOSSARY OF MEASUREMENT UNITS Type of measurement Unit of measurement Description Sm³/h Standard cubic metres per hour Sm³ Standard cubic metres Consumption and Volumetric flow rate m³/h Cubic metres per hour m³ Cubic metres Pressure ˝wc Water column inch Pascal °C Degree centigrade... -
Page 16: 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; Installer •... -
Page 17: Safety
3 - SAFETY 3.1 - GENERAL SAFETY WARNINGS WARNING! 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). WARNING! 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 18: Personal Protective Equipment
3.2 - PERSONAL PROTECTIVE EQUIPMENT NOTICE! Personal Protective Equipment (PPE) means any equipment intended to be worn by the worker for the pur- pose of protecting him against one or more risks likely to threaten his safety or health at work. Depending on the type of intervention required, the appropriate PPE will be indicated (and must be used). -
Page 19: Obligations And Prohibitions
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! -
Page 20: Residual Risks
WARNING! If there are any functional faults, do not operate. Immediately contact PIETRO FIORENTINI S.p.A. for the necessary directions. The equipment does not present residual risks for the operator related to its normal operation. 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 21 3.6.1 - TABLE SHOWING RESIDUAL RISKS DUE TO PRESSURE Effect and Risk and Hazard Event and Cause Solution and Prevention Consequence a. Handling and installation with appropri- Pressurised gas • Violent impact. • Deformation. ate devices to avoid localised stress. leakage.
- Page 22 • 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-pressurised phere. parts. Tab. 3.10. LOW-PRESSURE GAS REGULATOR SAFETY REV. A...
-
Page 23: Table Of Residual Risks For Potentially Explosive Atmospheres
3.6.2 - TABLE OF RESIDUAL RISKS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES Table 3.12 shows the conditions that can lead the pressure regulators STABILIZZATORI to generate a potentially explo- sive 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 24 Management measures in- Atmosphere Operating cluded in the use, potentially Normative 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.
-
Page 25: Description And Operation
NOTICE! The different versions of the equipment must be: • contractually established; • set up at PIETRO FIORENTINI S.p.A. plants only Typical versions of GOVERNORS are listed in Tab. 4.13: Type Image Description This version has a maximum inlet pressure of 0.5 bar and can be supplied with:... -
Page 26: Surface Treatments
The different models of GOVERNORS are identified, based on the type of connections, as shown in Tab. 4.14.: Regulator trade Version Connections name 30051 Compact 1/2” 30052 Compact 3/4” 30053 Compact 1” 30150 1/2” 30151 3/4” 30152 1” 30153 1”1/4” 30154 1”1/2”... -
Page 27: General Description
4.2 - GENERAL DESCRIPTION The equipment is a self-operated low-pressure regulator suitable for gaseous fluids such as: • natural gas; • GPL; • propane gas; • non-corrosive gases. The balanced plug system guarantees a constant outlet pressure value as the inlet pressure and required flow rate vary. The main elements of the equipment are specified in Tab. -
Page 28: Zero Version Description
4.2.1 - ZERO VERSION DESCRIPTION The main elements of version zero are shown in Tab. 4.17.: Pos. Description Pos. Description Inlet connections Filter cartridge (optional) Outlet connection Lower cover Balanced shutter Upper cap Double diaphragm (working and safety) Adjusting screw Vent threaded connection By-pass Tab. -
Page 29: Operation
4.3 - OPERATION The GOVERNORS are regulators: • self-operation; • low pressure suitability; • with safety diaphragm. Tab. 4.18. describes the operation of the equipment in a simplified manner: Step Description The upstream pressure (A): • powers the regulator; • is regulated by the balanced plug system (B) to the downstream pressure value (C) required by the user. -
Page 30: 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 31: Technical/Functional Features
4.5 - TECHNICAL/FUNCTIONAL FEATURES NOTICE! 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.4.20.: Technical/functional features Standard Version 0.1 MPa - 1 bar Ratio Version Design pressure (DP) 0.035 MPa - 0.35 bar Zero Version... -
Page 32: Flow Coefficients
4.5.1 - FLOW COEFFICIENTS The flow coefficients (Cg) of governors without filter are given in Tab. 4.21. (as per DIN EN 334): Flow coefficients (governors without filter) Version Compact High flow rate [mm] Diameter [inches] 1/2” 3/4” 1” 1/2” 3/4” 1”... -
Page 33: Safety Devices
4.6 - SAFETY DEVICES In order to avoid tripping the safety devices during normal service (when the user has no faults), no purging of the down- stream line should be carried out with the reducer installed. 4.6.1 - SAFETY DIAPHRAGM NOTICE! Tripping of the safety diaphragm (A) leads to replacement of the regulator. -
Page 34: Slam-Shut Valve For Minimum And Maximum Pressure
4.6.2 - SLAM-SHUT VALVE FOR MINIMUM AND MAXIMUM PRESSURE NOTICE! If the valve trips, service will be interrupted. The minimum and maximum pressure slam-shut valve (A), if fitted, is a safety device whose function is to remain in the open position under normal service conditions and to automatically and completely shut off the upstream gas flow when the downstream pressure is beyond the set values: •... -
Page 35: Pressure Outlet
4.6.3 - PRESSURE OUTLET The integrated pressure outlet point (A) at the regulator is required for field testing of safety devices: Fig. 4.6. Standard pressure outlets LOW-PRESSURE GAS REGULATOR DESCRIPTION AND OPERATION REV. A Use, maintenance and warning instructions... -
Page 36: Procedure Of Use With Standard Pressure Outlet
4.6.3.1 - PROCEDURE OF USE WITH STANDARD PRESSURE OUTLET ATTENTION! The maximum operating pressure for the standard pressure outlet is 0.5 bar. To use the standard pressure outlet (A), proceed as shown in Tab.4.23: Step Action Undo the locking screw (B). Fit the rubber tube on the tang (C) making sure that the connection is sealed. -
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
PIETRO FIORENTINI S.p.A.. NOTICE! 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. 5.25. describes the types of packaging used: Ref. -
Page 39: Physical Characteristics Of Governor With And Without Filter
5.2 - PHYSICAL CHARACTERISTICS OF GOVERNOR WITH AND WITHOUT FILTER Fig. 5.8. Physical characteristics of governor with and without filter Dimensions Weight Version [Kg] [mm] [mm] [inches] [inches] [mm] [mm] 1/2” 1/2” Threaded 3/4” 3/4” Compact 1” 1” 1/2” 1/2” Threaded High 3/4”... -
Page 40: Physical Characteristics Of Governor With Slam-Shut Valve
5.2.1 - PHYSICAL CHARACTERISTICS OF GOVERNOR WITH SLAM-SHUT VALVE Fig. 5.9. Physical characteristics of governor with slam-shut valve Dimensions Weight Version [Kg] [inches] [mm] [mm] [mm] 1/2” 1/2” Compact 3/4” 3/4” 1” 1” Tab. 5.26. LOW-PRESSURE GAS REGULATOR TRANSPORT AND HANDLING REV. -
Page 41: Physical Characteristics Zero Version
5.2.2 - PHYSICAL CHARACTERISTICS ZERO VERSION Fig. 5.10. Physical characteristics Zero version Dimensions Weight Version [Kg] [mm] [mm] [inches] [inches] [mm] [mm] L150-R150-Y150-V150 1/2” 1/2” L151-R151-Y151-V151 3/4” 3/4” L152-R152-Y152-V152 1” 1” L153-R153-Y153 1” 1/4 1” 1/4 L154-R154-Y154 1” 1/2 1” 1/2 L155-R155-Y155 2”... -
Page 42: Physical Characteristics Ratio Version
5.2.3 - PHYSICAL CHARACTERISTICS RATIO VERSION Fig. 5.11. Physical characteristics Ratio version Dimensions Weight Version [Kg] [mm] [mm] [inches] [inches] [mm] [mm] L150-Y150 1/2” 1/2” 182.5 L151-Y151 3/4” 3/4” 182.5 L152-Y152 1” 1” 182.5 L153-Y153 1” 1/4 1” 1/4 249.5 L154-Y154 1”... -
Page 43: Equipment Anchoring And Lifting Method
5.3 - EQUIPMENT ANCHORING AND LIFTING METHOD HAZARD! 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 44: Forklift Handling Method
5.3.1 - FORKLIFT HANDLING METHOD HAZARD! It is forbidden to: • Do not transit under suspended loads; • Do not move the load over the personnel operating in the site/plant area. WARNING! The following is not allowed on forklifts: • carrying passengers;... - Page 45 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...
-
Page 46: Packaging Removal
• do not install the equipment; • contact PIETRO FIORENTINI S.p.A. and specify the details provided on the equipment nameplate. 5.4.1 - PACKAGING DISPOSAL NOTICE! 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 47: Storage And Environmental Conditions
5.5 - STORAGE AND ENVIRONMENTAL CONDITIONS WARNING! 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.5.33. Compliance with these conditions will guarantee the declared performance: Conditions Data Maximum storage period... - Page 48 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR TRANSPORT AND HANDLING REV. A Use, maintenance and warning manual...
-
Page 49: Commissioning/Maintenance Equipment
6 - COMMISSIONING/MAINTENANCE EQUIPMENT 6.1 - LIST OF EQUIPMENT Use of installation/commissioning/maintenance equipment • Installer. Operator qualification • Specialised technician/maintenance technician. WARNING! 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 50 PAGE INTENTIONALLY LEFT BLANK ROTARY METER REV. A COMMISSIONING AND MAINTENANCE EQUIPMENT Use, maintenance and warning manual...
-
Page 51: Installation
7 - INSTALLATION 7.1 - INSTALLATION PRE-REQUISITES 7.1.1 - ALLOWED ENVIRONMENTAL CONDITIONS WARNING! For the safe use of the equipment, observing the permissible environmental conditions, observe the data on the applied rating plate and any accessories (refer to section 2.8 ""). WARNING! The equipment must be installed away from atmospheric agents and direct sunlight. -
Page 52: Checks Before Installation
7.1.3 - 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 53: Specific Safety Instructions For The Installation Step
WARNING! 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 54: General Information On The Line
7.3 - GENERAL INFORMATION ON THE LINE The equipment must be installed on the line in compliance with: • the direction of gas flow as indicated by the arrow on the equipment itself; • the correct mounting position: Fig. 7.12. Correct installation position Standard/Goval versions NOTICE! When used in gas pressure reduction stations, the device must be installed at least according to the re-... -
Page 55: Installation Type (Standard/Goval Version)
7.3.1 - INSTALLATION TYPE (STANDARD/GOVAL VERSION) In the standard installation of the equipment and in the Goval version, the following must be present: Pos. Description Pressure regulator. Shut-off valve upstream of the regulator (A). Shut-off valve downstream of the equipment (when required). Burner. -
Page 56: Zero Version Installation
7.3.2 - ZERO VERSION INSTALLATION When installing the Zero version of the equipment, the following must be present: Pos. Description Filter Solenoid valve Zero version regulator Motor Tab. 7.36. Fig. 7.14. Zero version connection examples LOW-PRESSURE GAS REGULATOR INSTALLATION REV. -
Page 57: Installation Ratio Version
7.3.3 - INSTALLATION RATIO VERSION When installing the equipment in the Ratio version, the following must be present: Pos. Description Filter Regulator Ratio version 1:1 Solenoid valve Solenoid valve Tab. 7.37. Fig. 7.15. Ratio version connection examples LOW-PRESSURE GAS REGULATOR INSTALLATION REV. -
Page 58: Installation Procedures
UNI EN ISO 228-1). Tab. 7.39. NOTICE! 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. LOW-PRESSURE GAS REGULATOR INSTALLATION REV. -
Page 59: Post-Installation Instructions
Protect the equipment from blows and impacts, even accidental. 7.5 - EQUIPMENT ADJUSTMENTS NOTICE! 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). -
Page 60: Adjustments Standard Version
7.5.1 - ADJUSTMENTS STANDARD VERSION Should it be necessary, for standard regulators with or without slam-shut valve, to change the setting values in order to increase or decrease the operating pressure, proceed as shown in Tab.7.42: Step Action Necessary equipment Remove the upper cap (A) of the regulator. -
Page 61: Zero Version Adjustments
7.5.2 - ZERO VERSION ADJUSTMENTS If it is necessary to change the setting values of the zero regulator in order to increase or decrease the zero pressure, proceed as shown in Tab.7.43: Step Action Necessary equipment Remove the upper cap (A) of the regulator. Turn the ring nut (B) clockwise: •... -
Page 62: Ratio Version Adjustments
7.5.3 - RATIO VERSION ADJUSTMENTS NOTICE! The ratio regulator is driven by air line pressure. The gas outlet pressure is set at a ratio of 1:1 to the control air pressure. • The burner power can be varied by adjusting the air regulator. •... -
Page 63: Commissioning
8 - COMMISSIONING 8.1 - GENERAL WARNINGS 8.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING HAZARD! During commissioning the risks associated with any discharges to the atmosphere of flammable or nox- ious gases must be evaluated. HAZARD! 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 64: Preliminary Procedures For Commissioning
8.3 - CALIBRATION OF SAFETY DEVICES NOTICE! The equipment is regulated at PIETRO FIORENTINI S.p.A. production plants WARNING! Do not tamper with or make any unauthorised changes to the equipment without the approval of PIETRO FIORENTINI S.p.A. -
Page 65: Commissioning Of The Standard Version Regulator
8.4.1 - COMMISSIONING OF THE STANDARD VERSION REGULATOR For commissioning the regulator with and without slam-shut valve (A), proceed as shown in Tab. 8.46.: Step Action Partially open the downstream air vent valve when present. Slowly open upstream shut-off devices (e.g. OPSO slam-shut valve, valve (B), etc.). Wait for the downstream pressure to stabilise at the spring setting P2 indicated on the nameplate. -
Page 66: Zero Version Regulator Commissioning
8.4.2 - ZERO VERSION REGULATOR COMMISSIONING To commission the Zero (C) version regulator, proceed as shown in Tab. 8.47.: Step Action Partially open the downstream air vent valve when present. Slowly open upstream shut-off devices (e.g. solenoid valves, OPSO slam-shut valve, etc.). Wait for the downstream pressure to stabilise at the spring setting P2 indicated on the nameplate. -
Page 67: Putting The Ratio Version Regulator Into Service
8.4.3 - PUTTING THE RATIO VERSION REGULATOR INTO SERVICE To commission the Ratio version regulator (B), proceed as shown in Tab. 8.48.: Step Action Partially open the downstream air vent valve when present. Slowly open upstream shut-off devices (e.g. solenoid valves, OPSO slam-shut valve, etc.). Wait for the downstream pressure to stabilise at the spring setting P2 indicated on the nameplate. -
Page 68: Proper Commissioning Check
8.5 - 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). LOW-PRESSURE GAS REGULATOR COMMISSIONING REV. A Use, maintenance and warning manual... -
Page 69: Maintenance And Functional Checks
NOTICE! The equipment does not need any periodic checks and maintenance procedures. HAZARD! PIETRO FIORENTINI S.p.A. shall not be held liable for any damage to people and property due to services provided without its approval. WARNING! If you have doubts or there are any functional faults, do not operate. Contact PIETRO FIORENTINI S.p.A. -
Page 70: Periodically Checking And Inspecting The Equipment For Proper Operation
9.2 - PERIODICALLY CHECKING AND INSPECTING THE EQUIPMENT FOR PROPER OPERATION HAZARD! Checks and inspections must be carried out only by qualified technicians. Periodic checks and inspections Operator qualification • Commissioning technician. WARNING! 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 71: Tightening Torques
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 approx. 2 mbar/s until the maximum pressure lockout is triggered when the reset exten- sion is triggered; 2. -
Page 72: Governor Maintenance
9.4 - GOVERNOR MAINTENANCE Fig. 9.22. Governor maintenance LOW-PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV. A Use, maintenance and warning instructions... - Page 73 Step Action Remove the cap (B) from the top cover (I). Unscrew and remove the adjustment ring nut (C) together with the spring press (D). Remove the calibration spring (E). Unscrew and remove the screws (H). NOTICE! • Use the equipment (C) from Table 6.35. •...
- Page 74 Governor maintenance LOW-PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV. A Use, maintenance and warning instructions...
- Page 75 Step Action Insert the balancing diaphragm lock disc (U). NOTICE! Take care to centre all holes. Insert and fasten the screws (Q) according to the torque values of the guidelines and regulations in force. NOTICE! Grease the holes before inserting the screw. Insert the upper spacer (P).
- Page 76 Governor maintenance LOW-PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV. A Use, maintenance and warning instructions...
- Page 77 Step Action Insert and fasten the screws (H) according to the tightening torque values of the applicable guidelines and regulations. NOTICE! Grease the holes before inserting the screw. Insert the calibration spring (E). Position the spring press (D). Insert and screw in the adjustment ring nut (C). Remove and replace the O-ring (G).
- Page 78 PAGE INTENTIONALLY LEFT BLANK LOW-PRESSURE GAS REGULATOR MAINTENANCE AND FUNCTIONAL CHECKS REV. A Use, maintenance and warning instructions...
-
Page 79: Uninstallation And Disposal
10 - UNINSTALLATION AND DISPOSAL 10.1 - GENERAL SAFETY WARNINGS HAZARD! Make sure that there are no potentially explosive ignition sources in the work area set up to uninstall and/ or dispose of the equipment. WARNING! Before proceeding with uninstallation and disposal, make the equipment safe by disconnecting it from any power supply. -
Page 80: Information Required In Case Of New Installation
10.4 - INFORMATION REQUIRED IN CASE OF NEW INSTALLATION NOTICE! Should the equipment be reused after uninstallation, please refer to chapters: “Installation” and “Commis- sioning”. 10.5 - DISPOSAL INFORMATION NOTICE! • Proper disposal prevents damage to humans and the environment and promotes the reuse of precious raw materials. -
Page 81: Calibration Tables
11 - CALIBRATION TABLES 11.1 - CALIBRATION TABLES NOTICE! When the value indicated on the regulator plate is equal to the minimum or maximum value of a spring re- ferred to in the tables (Tab.11.57., Tab.11.58. and Tab.11.59.), the spring installed in the regulator is the one featuring the minimum range value equal to the calibration value specified on the data plate.
Need help?
Do you have a question about the GOVERNOR 30051 and is the answer not in the manual?
Questions and answers