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PIETRO FIORENTINI 200/MP Series Use And Maintenance Manual

Magnetic pilot for pressure regulators
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Series 200/MP
Magnetic pilot for pressure regulators
Revision H - Edition 09/2024
USE, MAINTENANCE
AND WARNING
MANUAL
EN

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Summary of Contents for PIETRO FIORENTINI 200/MP Series

  • Page 1 Series 200/MP Magnetic pilot for pressure regulators Revision H - Edition 09/2024 USE, MAINTENANCE AND WARNING MANUAL...
  • Page 2 MAGNETIC PILOT FOR PRESSURE REGULATORS INTRODUCTION REV. H Use, maintenance and warning manual...

  • Page 3: Introduction

    It is of particular importance that the personnel responsible for the equipment be trained in its use, maintenance and ap- plication of the safety instructions and procedures indicated in this manual. COPYRIGHT 2025 © PIETRO FIORENTINI S.P.A. MAGNETIC PILOT FOR PRESSURE REGULATORS INTRODUCTION REV.
  • Page 4 MAGNETIC PILOT FOR PRESSURE REGULATORS INTRODUCTION REV. H Use, maintenance and warning manual...

  • Page 5: Revision History

    1.1 - REVISION HISTORY Revision index Date 02/2022 05/2022 10/2022 10/2022 09/2022 09/2023 02/2024 09/2024 Tab. 1.1 MAGNETIC PILOT FOR PRESSURE REGULATORS INTRODUCTION REV. H Use, maintenance and warning manual...

  • Page 6: Table Of Contents

    INDEX 1 - INTRODUCTION ........................3 1.1 - REVISION HISTORY ..........................5 2 - GENERAL INFORMATION ....................11 2.1 - MANUFACTURER IDENTIFICATION ......................11 2.2 - IDENTIFICATION OF THE PRODUCT ...................... 11 2.3 - REGULATORY FRAMEWORK ......................... 11 2.4 - WARRANTY ............................12 2.5 - SYMBOLS USED IN THE MANUAL ......................
  • Page 7 4 - DESCRIPTION AND OPERATION ..................27 4.1 - GENERAL DESCRIPTION ........................27 4.1.1 - REGULATOR REACTION MODES ......................28 4.2 - MAGNETIC ACTUATOR .......................... 28 4.3 - PILOT 200/MP OPERATION ........................30 4.4 - PILOT 200/MP/D/FO OPERATION ......................31 4.5 - INTENDED USE ............................33 4.5.1 - ENVISAGED USE ..........................33 4.5.2 - REASONABLY FORESEEABLE MISUSE ....................33 4.5.3 - TYPES OF FLUIDS ..........................33...
  • Page 8 8.3.2 - ELECTRICAL PART ..........................61 8.1 - SETTING THE SUPPLY CURRENTS ....................... 61 8.4 - REGULATOR COMMISSIONING PROCEDURE ..................66 8.5 - CALIBRATION OF 200/MP SERIES PILOTS .................... 68 8.5.1 - MODEL 200/MP(H)/D E 200/MP(H)/D/FO PILOTS.................68 8.5.2 - MODEL 200/MP(H)/I PILOTS ........................68 8.6 - CALIBRATION OF ANY ACCESSORIES ....................
  • Page 9 11 - UNINSTALLATION AND DISPOSAL ................115 11.1 - GENERAL SAFETY WARNINGS ......................115 11.2 - QUALIFICATION OF THE OPERATORS IN CHARGE ................115 11.3 - UNINSTALLATION ..........................115 11.4 - INFORMATION REQUIRED IN CASE OF RE-INSTALLATION ..............115 11.5 - DISPOSAL INFORMATION ........................116 12 - RECOMMENDED SPARE PARTS ...................
  • Page 10 MAGNETIC PILOT FOR PRESSURE REGULATORS INTRODUCTION REV. H Use, maintenance and warning manual...

  • Page 11: General Information

    2.3 - REGULATORY FRAMEWORK PIETRO FIORENTINI S.P.A., with registered offices in Arcugnano (Italy) - Via E. Fermi, 8/10, declares under its sole re- sponsibility that the equipment of the series described in this manual is designed, manufactured, tested and checked in compliance with the requirements of EN 334 standard on gas pressure regulators.

  • Page 12: 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 13: Recipients, Supply And Storage Of The 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 manual.

  • Page 14: Applied Rating Plates

    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 rating plates. The rating plates specify identification details of the equipment and its accessories to be provided, if necessary, to PIETRO FIORENTINI S.p.A.

  • Page 15: Glossary For Rating Plates

    2.8.1 - GLOSSARY FOR RATING PLATES The terms and abbreviations used on nameplates are described in Tab. 2.6: Term Description Accuracy class. Accuracy class of pressure boosting slam-shut valves. AG max “OPSO” (Over pressure shut off). Accuracy class of safety devices for pressure drop. AG min ”UPSO”(Under pressure shut off).

  • Page 16: Glossary Of Measurement Units

    Term Description Full setpoint range with regard to tripping caused by decreased pressure in the pressure switch built into the slam-shut valve. This range can be obtained by adjusting and/or replacing the components (for example, spring or sensitive element). Full setpoint range with regard to tripping caused by decreased pressure in the pressure switch Wdsu built into the slam-shut valve.

  • Page 17: 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 technician able to: • perform preventive/corrective maintenance operations on all mechanical parts of the equipment subject to maintenance or repair; Mechanical mainte- •...
  • Page 18 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS GENERAL INFORMATION REV. H Use, maintenance and warning manual...

  • Page 19: 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 20: Personal Protective Equipment

    3.2 - PERSONAL PROTECTIVE EQUIPMENT Tab. 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 21: Residual Risks

    3.3 - RESIDUAL RISKS In accordance with the requirements of PED 2014/68/EU, point 1.2 of Annex I, below is an assessment of the risks as- sociated with the equipment and an indication of the principles adopted for their prevention, according to the following classification: a) Elimination and/or reduction of the risk.
  • Page 22 3.3.1 - TABLE SHOWING RESIDUAL RISKS DUE TO PRESSURE Effect and Risk and Hazard Event and Cause Solution and Prevention Consequence Pressurised gas a. Handling and installation with appropri- leak. • Violent impact; • Deformation; ate devices to avoid localised stress. Projection of me- •...
  • Page 23 Effect and Risk and Hazard Event and Cause Solution and Prevention Consequence Pressurised gas • Deformation; leak. a. With the exclusion of what is set out in • Cracking and slot Projection of me- • External loads bear- the project, the user must verify that no formation;...

  • Page 24: Table Of Residual Risks For Potentially Explosive Atmospheres

    3.3.2 - TABLE OF RESIDUAL RISKS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES Tab. 3.11 shows the conditions that can lead to the generation of a potentially explosive atmosphere by the PILOT 200/MP. 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 25 Potentially Management measures in- Operating explosive Normative references cluded in the instructions for conditions atmosphere use and warning • The pressure of the system sec- tion in which the equipment is in- stalled must be reduced with ap- The instructions for use indicate propriate vent lines channelled to the need to meet the requirements Decommissioning...

  • Page 26: Obligations And Prohibitions

    Depending on the operating conditions, use and configuration required, the equipment may generate noise other than that permitted 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 27: Description And Operation

    4 - DESCRIPTION AND OPERATION 4.1 - GENERAL DESCRIPTION The equipment PILOT 200/MP is an electro-mechanical device used to drive a pilot-type pressure regulator that reduces the inlet gas pressure while maintaining a stable downstream value even when the following varies: •...

  • Page 28: Regulator Reaction Modes

    4.1.1 - REGULATOR REACTION MODES The equipment PILOT 200/MP is a “fail open” reacting equipment, i.e., it lets flow through downstream in the event of: • breakage of the diaphragm (ref. 11, fig. 4.1) • breakage of the diaphragm (ref. 15, fig. 4.1) •...
  • Page 29 The electromechanical device used in the 200/MP series pilots consists of a magnetic actuator that imparts a force pro- portional to the current set in the PWM module, which is subtracted from the force imparted by the setting spring The device consists of the components: •...

  • Page 30: Pilot 200/Mp Operation

    4.3 - PILOT 200/MP OPERATION MAGNETIC PILOT 201/MP MAGNETIC PILOT .../MPH SENSING LINE VENT VALVE VENT VALVE SENSING LINE GAS OUTLET GAS INLET SENSING LINE GAS OUTLET GAS INLET VENT VALVE REGULATOR rEssionE Di vaLLE rEssionE Di motorizzazionE rEssionE prEriDUttorE Fig.

  • Page 31: Pilot 200/Mp/D/Fo Operation

    4.4 - PILOT 200/MP/D/FO OPERATION MAGNETIC PILOT .../MPH VENT VALVE SENSING LINE SENSING LINE GAS INLET GAS OUTLET VENT VALVE REGULATOR PRE-REGULATOR rEssionE Di vaLLE rEssionE Di motorizzazionE rEssionE prEriDUttorE Fig. 4.5. Operation PILOT 200/MP/D/FO In the absence of outlet pressure from the pre-regulator (3) and power supply, the pilot plug (1) is held in the open position by the setting spring (2).
  • Page 32 DECREASE, Downstream Pressure Reduction (PUSH Type Actuator) Increasing the current intensity results in a higher closing thrust and a reduction of the pilot setting value. In this case you get: • Maximum calibration, mechanically set by the force of the setting spring; •...

  • Page 33: 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 34: Technical Features/Performance

    4.6 - TECHNICAL FEATURES/PERFORMANCE The equipment PILOT 200/MP is a piloting device for medium and high pressure piloted regulators. This piloting system couples pneumatic actuation with electromechanical actuation ensuring a stable, precise and variable outlet pressure via a remote control. The main specifications of these devices are: Technical features Maximum allowable pressure...

  • Page 35: Technical Data Of The Magnetic Actuator

    4.6.1 - TECHNICAL DATA OF THE MAGNETIC ACTUATOR Technical features Magnet-Schultz GmbH&Co. KG Manufacturer Allgäuer Str. 30, D-87700 Memmingen Version FMME 060 K01 A02 Electric variant Resistance R [Ω] Rated current I [mA DC] 1257 Maximum current adjustment range I [mA DC] 0 –...
  • Page 36 The following will explain how to set the current and frequency values of the Duplomatic PWM module. CAUTION: this guide is intended as a brief summary of the operations required to change the minimum and maximum current that the PWM module supplies to the magnet. It is however recommended to consult the “Software Manual EDM-M40 Smart manager”...

  • Page 37: Possible Models

    4.7 - POSSIBLE MODELS The 200/MP series pilots are divided into the following models: • Pilot 201/MP… coupled to the R31/A pre-regulator; • Pilot 204/MP… coupled to the R14/A pre-regulator; • Pilot 204/MPH… coupled to the R14/A pre-regulator; • Pilot 204/MP/D/FO coupled to the R14/A/FO pre-regulator;...

  • Page 38: Accessories

    4.8 - ACCESSORIES For magnetic pilots version 200/MP(H)/D and 200/MP(H)/I, with the exception of the 200/MP(H)/D/FO version, pneumatic pilots can also be installed in the pneumatic pilot circuit (Fig. 4.8). The main purposes are: • ensure system operation in the event of a magnetic pilot failure •...

  • Page 39: Transport And Handling

    5 - TRANSPORT AND HANDLING 5.1 - SPECIFIC WARNINGS FOR TRANSPORT AND HANDLING NOTICE! Transport and handling must be carried out by personnel: • qualified (specially trained); • who are familiar with accident prevention and workplace safety regulations; • authorised to use lifting equipment; •...

  • Page 40: 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. 5.21 shows the types of packaging used: Ref.
  • Page 41 MAGNETIC PILOT FOR PRESSURE REGULATORS TRANSPORT AND HANDLING REV. H Use, maintenance and warning manual...

  • Page 42: Physical Characteristics Of The Equipment

    5.2 - PHYSICAL CHARACTERISTICS OF THE EQUIPMENT 5.2.1 - PILOT 200/MP(H)/D AND 200/MP(H)/FO/D Fig. 5.9. Physical characteristics 200/MP(H)/D and 200/MP(H)/FO/D 204/MP/D(/FO) 204/MPH/D(/FO) Dimensions and weight 201/MP/D 205/MP/D/FO 205/MPH/D(/FO) 30.05 30.05 25.2 22.25 22.25 Weight [kg] Tab. 5.22 MAGNETIC PILOT FOR PRESSURE REGULATORS TRANSPORT AND HANDLING REV.

  • Page 43: Pilot 200/Mp(H)/I

    5.2.2 - PILOT 200/MP(H)/I Fig. 5.10. Physical characteristics 200/MP(H)/I 204/MP/I 204/MPH/I Dimensions and weight 201/MP/I 205/MP/I 205/MPH/I Weight [kg] Tab. 5.23 MAGNETIC PILOT FOR PRESSURE REGULATORS TRANSPORT AND HANDLING REV. H Use, maintenance and warning manual...

  • Page 44: Equipment Anchoring And Lifting Method

    5.3 - EQUIPMENT ANCHORING AND LIFTING METHOD HAZARD! Before moving the equipment, make sure that the capacity of the lifting equipment is suitable for the load. WARNING! Unloading, transport and handling activities must be carried out by operators qualified and specially trained: •...

  • Page 45: 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 46: Step Action

    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 47: Crane Handling Method

    5.3.2 - CRANE HANDLING METHOD WARNING! CE-marked chains, ropes and eyebolts must be used. Do not use chains connected to each other by bolts. Always check that: • the safety catch of the hook returns to the initial position; • the ropes are in excellent condition and have adequate sections.

  • Page 48: Packaging Removal

    • do not install the equipment; • contact PIETRO FIORENTINI S.p.A. and specify the details provided on the equipment rating plate. 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 49: Storage And Environmental Conditions

    For the replacement of the rubber parts of the equipment, please refer to “9 - Maintenance and functional checks”. NOTICE! PIETRO FIORENTINI S.p.A. recommends checking the condition of rubber parts in case of downtime or storage longer than 3 years.
  • Page 50 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS TRANSPORT AND HANDLING REV. H Use, maintenance and warning manual...

  • Page 51: Installation

    6 - INSTALLATION 6.1 - INSTALLATION PRE-REQUISITES 6.1.1 - ALLOWED ENVIRONMENTAL CONDITIONS WARNING! 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 - Applied rating plates”). The installation site must be suitable for the safe use of the equipment.

  • Page 52: Necessary Equipment

    Installation Operator qualification Installer 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 53: General Information On Connections

    6.3 - GENERAL INFORMATION ON CONNECTIONS The equipment must be installed on the pressure regulator as prescribed in its specific manual. In line installation as well as in square installation, they must be present (see Fig. 6.11 and Fig. 6.12): Pos.

  • Page 54: Connection Of The Sensing Lines To The Downstream Piping

    NOTICE! 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 12279:2007. Equipment vents must be ducted in accordance with UNI EN 12186:2014 or UNI EN 12279:2007 or the standards in force at the place of installation of the equipment.

  • Page 55: Installation And Electrical Connection Of The Magnetic Actuator

    Fig. 6.14. Equipment connections 6.5 - INSTALLATION AND ELECTRICAL CONNECTION OF THE MAGNETIC ACTUATOR These operations must be carried out by a qualified installer. The cable gland integrated in the magnetic actuator may only be used for unarmoured, unbraided cables and fixed instal- lations.

  • Page 56: Post-Installation And Pre-Commissioning Checks

    MARKING CABLE GLAND ACCORDING FOR DIAMETER K927255 6-12 TERMINALE FOR EQUIPOTENTIAL WASHER BONDING PROTRUDING (MAX. 4 mm²) Fig. 6.16. Magnetic actuator solenoid Fig. 6.17. Cover and internal terminal block of the magnetic actuator 6.6 - POST-INSTALLATION AND PRE-COMMISSIONING CHECKS When the equipment is operating, make sure that all connections are: •...

  • Page 57: Commissioning/Maintenance Equipment

    7 - COMMISSIONING/MAINTENANCE EQUIPMENT 7.1 - LIST OF EQUIPMENT Use of commissioning/maintenance equipment • Mechanical maintenance technician; • Electrical maintenance technician; Operator qualification • Installer; • Name of the user. 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 58: Equipment Needed For The Different Configurations

    7.2 - EQUIPMENT NEEDED FOR THE DIFFERENT CONFIGURATIONS Each table is distinguished by: Term Description Key, with reference to the equipment indicated in Tab. 7.32. Code Code, referring to the equipment. Indicates the Nominal Diameter of the reference configuration. Length, referred to the equipment. Ref.

  • Page 59: 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 60: Preliminary Procedures For Commissioning

    8.2 - PRELIMINARY PROCEDURES FOR COMMISSIONING HAZARD! Before commissioning the equipment, it must be ensured that any source of explosion has been eliminat- ed if there is such a danger. WARNING! Before commissioning, you need to make sure that the characteristics of the equipment are suitable for the conditions of use.

  • Page 61: Proper Commissioning Check

    8.3 - PROPER COMMISSIONING CHECK Completely sprinkle the equipment with a foaming solution (or equivalent control system) in order to check the tightness of the regulator’s external surfaces and of the connections made during installation. 8.3.1 - PNEUMATIC PART Completely sprinkle the equipment with a foaming solution in order to check the tightness of the regulator’s external sur- faces and of the connections made during installation (or equivalent control system).
  • Page 62 To change the parameters of the PWM module, from the main screen, you must verify that the software recognises the COM with which you are connected to the board (Fig. 8.19). Fig. 8.19. PC COM port selection Then press the button “Connect to serial port” the first one on the top left and then “Identify” represented by ‘?’. Once this is done, the central part of the screen will show the parameters of the board, which can also be freely modified (Fig.
  • Page 63 At this point, it is possible to modify parameters including: • ADJ_MIN [mA] = minimum PWM current (in mA) going to the magnetic pilot • ADJ_MAX [mA] = maximum PWM current (in mA) going to the magnetic pilot To make the change effective, simply enter the corresponding field, change the value and press “Set user parameter” (Figure 8.18).
  • Page 64 Using the “Start” and “Stop” buttons (Fig. 8.22), it is possible to start and stop the live data reading of the electronic board. START STOP Fig. 8.22. Reading live data In particular, it is useful to keep an eye on (Fig. 8.23): •...
  • Page 65 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS COMMISSIONING REV. H Use, maintenance and warning manual...

  • Page 66: Regulator Commissioning Procedure

    The set point value is mentioned on the test certificate enclosed with each piece of equipment. For the correct commissioning of the pressure regulator, please refer to the individual regulator-specific manuals. Fig. 8.24. Commissioning of the regulator with 200/MP series pilot MAGNETIC PILOT FOR PRESSURE REGULATORS COMMISSIONING REV.
  • Page 67 Step Action Manually set the PWM supply current to the set minimum value, or set it to zero, in order to deactivate the magnetic actuator component Partially open the bleed cock (6). Completely unscrew the fixing nut and adjusting screw (Fig. 8.26) of the pilot (3) to relieve the spring. Open the inlet shut-off valve (V1) very slowly.

  • Page 68: Calibration Of 200/Mp Series Pilots

    8.5 - CALIBRATION OF 200/MP SERIES PILOTS 8.5.1 - MODEL 200/MP(H)/D E 200/MP(H)/D/FO PILOTS Set the PWM supply current to the minimum permitted value as defined in paragraph 8.4. This deactivates the magnetic actuator component. Turn the adjusting screw (10) in Fig. 8.25 to set the value for the maximum calibration pressure: •...
  • Page 69 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS COMMISSIONING REV. H Use, maintenance and warning manual...

  • Page 70: Calibration Of Any Accessories

    8.6.1 - CALIBRATION OF MAXIMUM AND MINIMUM PNEUMATIC PILOTS The set point value is mentioned on the test certificate enclosed with each piece of equipment. Fig. 8.26. Commissioning of the regulator with 200/MP series pilot MAGNETIC PILOT FOR PRESSURE REGULATORS COMMISSIONING REV.
  • Page 71 Step Action Partially open the bleed cock (6). Completely unscrew the fixing nut and the screw of the magnetic pilot (2) and the maximum pneumatic pilot (3). Open the inlet shut-off valve (V1) very slowly. NOTICE! Check the pressure referring to the upstream pressure gauge (4). Turn the minimum pneumatic pilot adjusting screw (7) clockwise to load the setting spring until the regulator (1) trips.
  • Page 72 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS COMMISSIONING REV. H Use, maintenance and warning manual...

  • Page 73: Maintenance And Functional Checks

    After releasing the pressure from the line, trigger the slam-shut valve. WARNING! In case of doubt, do not perform any work. Contact PIETRO FIORENTINI S.p.A. for the necessary clarifica- tions. The management and/or use of the equipment includes interventions that are necessary as a result of normal use such as: •...
  • Page 74 Before beginning disassembly of the equipment, make sure that: • the spare parts and parts used in replacements have adequate requirements to ensure the original performance of the equipment. Use recommended original spare parts; • the operator must have the necessary equipment (see chapter "7 - Commissioning/maintenance equipment"). NOTICE! The recommended spare parts are unambiguously identified with tags indicating: •...

  • Page 75: Periodically Checking And Inspecting The Equipment For Proper Operation

    9.2 - PERIODICALLY CHECKING AND INSPECTING THE EQUIPMENT FOR PROPER OPERATION Periodic checks and inspections Operator qualification Mechanical 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 76: Routine Maintenance

    9.3 - ROUTINE MAINTENANCE 9.3.1 - GENERAL SAFETY WARNINGS HAZARD! • Put the equipment in a safe condition (close the downstream and then the upstream shut-off valve, drain the equipment completely and lastly drain the line); • Ensure that the pressure upstream and downstream of the equipment is “0”. WARNING! After releasing the pressure from the line, trigger the slam-shut valve.

  • Page 77: Replacement Frequency For Components Subject To Wear

    9.3.2 - REPLACEMENT FREQUENCY FOR COMPONENTS SUBJECT TO WEAR NOTICE! The following provisions shall apply to equipment components only. The non-metallic parts of the equipment concerned are divided into the following two categories: Preventive maintenance work Parts subject to wear and/or abrasion, where: •...
  • Page 78 Minimum Category Part description Evaluation criterion replacement frequency Shut-off valves Yearly Lubricating parts Other equipment Yearly Filter elements Filters needed Tab. 9.43 MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...

  • Page 79: Routine Maintenance Procedures

    9.4 - ROUTINE MAINTENANCE PROCEDURES Routine maintenance Operator qualification Mechanical 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 80: Tightening Torques Pilot 200/Mp

    9.4.1 - TIGHTENING TORQUES PILOT 200/MP PILOTA PILOTA 204/MP(H)(/FO) 201/MP 205/MP(H)(/FO) Fig. 9.27. Tightening torques for pilots 201/MP… – 204/MP… (/FO) – 205/MP… (/FO) PILOT 201/MP Pos. Description Torque (Nm) Torque (ft - lb) Nut M16X1 Screw M6X35 UNI 5931 Screw M8X30 UNI 5931 Nut M16X1.5 Nut M18X1.5...

  • Page 81: Replacing Elements Subject To Wear And Abrasion

    Unscrew the conical seal fittings to disconnect all power outlets and sensing lines for the pilot and regulator. Loosen the nut securing the pilot support bracket to the regulator. Remove the 200/MP series pilot present with the R14/A or R31/A pre-regulator from the regulator. NOTICE! For replacement and pilot disconnection procedures for the 200/MP series and the R14/A or R31/A pre-regulator, please refer to section 9.4.6.

  • Page 82: Maintenance Procedure Of Pilot 200/Mp

    9.4.3 - MAINTENANCE PROCEDURE OF PILOT 200/MP 9.4.3.1 - PILOT DISCONNECTION MODEL 200/MP(H) PILOTA 200/MP... PILOTA 200/MP(H)/D/FO VENT VALVE SFIATO VENT VALVE SFIATO GAS INLET ENTRATA GAS GAS INLET ENTRATA GAS SENSING LINE IMPULSO A VALLE SENSING LINE IMPULSO A VALLE GAS OUTLET USCITA GAS GAS OUTLET...
  • Page 83 To disconnect the pilot, proceed as indicated in Tab. 9.48 (see Fig. 9.29): Step Action Disconnect the sensing lines between the 200/A pilot and the regulator by adjusting the fittings (1, 2, 3). Unscrew and remove the fixing screw to remove the pilot from the regulator. Remove the pipe (20) by adjusting the fittings (4, 5).
  • Page 84 9.4.3.2 - MAINTENANCE PROCEDURE FOR PILOT MODEL 201/MP/I (VERSIONE INCREASE) ASSEMBLY A ASSEMBLY B 26.1 ASSEMBLY C Fig. 9.30. Pilot 201/MP/I (increase version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 85 Step Action Unscrew and remove the cap (52) of the magnetic actuator (31), replace the O-ring (51) only if it is particularly worn. Remove the outer case of the magnetic actuator (31) by unscrewing the central tube (30). Remove flange (40) before pulling out the central tube (30). Remove the O-ring (32) and replace it, taking care to lubricate it with synthetic grease.
  • Page 86 ASSEMBLY A ASSEMBLY B 26.1 ASSEMBLY C Pilot 201/MP/I (increase version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 87 Step Action Remove assembly “B” (plug) from the valve body (4) by pushing it from the bottom upwards. Unscrew and remove the pilot nut (2). Remove the O-rings (18, 45) from the pilot nut (2) and replace them, taking care to lubricate them with synthetic grease.
  • Page 88 ASSEMBLY A ASSEMBLY B 26.1 ASSEMBLY C Pilot 201/MP/I (increase version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 89 Step Action Remove and replace the O-ring (11) in the nut (9), lubricating it with synthetic grease. NOTICE! Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution. Fit the adjusting screw (10) together with the cap (9). Position the flange (40).
  • Page 90 9.4.3.3 - MAINTENANCE PROCEDURE FOR PILOT MODEL 201/MP/D (VERSIONE DECREASE) ASSEMBLY A 30.1 ASSEMBLY B 26.1 ASSEMBLY C Fig. 9.31. Pilot 201/MP/D (decrease version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 91 Step Action Unscrew and remove the cap (52) of the magnetic actuator (31), replace the O-ring (51) only if it is particularly worn. Remove the outer case of the magnetic actuator (31) by unscrewing the central tube (30). Remove the stem (30.1) from the central tube (30). Remove the O-ring (32) and replace it, taking care to lubricate it with synthetic grease.
  • Page 92 ASSEMBLY A 30.1 ASSEMBLY B 26.1 ASSEMBLY C Pilot 201/MP/D (decrease version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 93 Step Action Remove assembly “B” (plug) from the valve body (4) by pushing it from the bottom upwards. Unscrew and remove the pilot nut (2). Remove the O-rings (18, 45) from the pilot nut (2) and replace them, taking care to lubricate them with synthetic grease.
  • Page 94 ASSEMBLY A 30.1 ASSEMBLY B 26.1 ASSEMBLY C Pilot 201/MP/D (decrease version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 95 Step Action Unscrew the cap (8). Remove and replace the O-ring (11) in the nut (9), lubricating it with synthetic grease. NOTICE! Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution. Fit the adjusting screw (10) together with the cap (9). Place the stem (30.1) in the central tube (30).
  • Page 96 9.4.3.4 - MAINTENANCE PROCEDURE FOR PILOT MODELS 204/MP (/FO) - 205/MP (/FO) (INCREASE VERSION) MAGNETIC PILOT .../MPH ASSEMBLY A 26.1 ASSEMBLY B Fig. 9.32. Pilots 204/MP(H)/D (/FO) - 205/MP(H)/D (/FO) (increase version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV.
  • Page 97 Passo Azione Unscrew and remove the cap (52) of the magnetic actuator (31), replace the O-ring (51) only if it is particularly worn. Remove the outer case of the magnetic actuator (31). Unscrew the central tube (30). Remove flange (40) before pulling out the central tube (30). Remove the O-ring (32) from the cap (8) and replace it, taking care to lubricate it with synthetic grease.
  • Page 98 MAGNETIC PILOT .../MPH ASSEMBLY A 26.1 ASSEMBLY B Pilots 204/MP(H)/D (/FO) - 205/MP(H)/D (/FO) (increase version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 99 Passo Azione Remove the spring (21). Remove and replace the plug (17). Remove the upper protection disc (15). Remove and replace the upper diaphragm (16), taking care to lubricate the lanyards with synthetic grease. NOTICE! Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution. Unscrew and remove the nut (25).
  • Page 100 MAGNETIC PILOT .../MPH ASSEMBLY A 26.1 ASSEMBLY B Pilots 204/MP(H)/D (/FO) - 205/MP(H)/D (/FO) (increase version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 101 Passo Azione Position the flange (40). Tighten the central tube (30) with the O-ring (32). Slide the outer body (31) of the magnetic actuator onto the tube (30). Insert O-ring (51) and screw in the cap (52) of the magnetic actuator. Tab.
  • Page 102 9.4.3.5 - MAINTENANCE PROCEDURE FOR PILOT MODELS 204/MP (/FO) - 205/MP (/FO) (DECREASE VERSION) MAGNETIC PILOT .../MPH 30.1 ASSEMBLY A 26.1 ASSEMBLY B Fig. 9.33. Pilot 204/MP(H)/D (/FO) - 205/MP(H)/D (/FO) (decrease version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV.
  • Page 103 Passo Azione Unscrew and remove the cap (52) of the magnetic actuator (31), replace the O-ring (51) only if it is particularly worn. Remove the outer case of the magnetic actuator (31). Unscrew the central tube (30) Remove the stem (30.1) from the central tube (30). Remove the O-ring (32) from the cap (8) and replace it, taking care to lubricate it with synthetic grease.
  • Page 104 MAGNETIC PILOT .../MPH 30.1 ASSEMBLY A 26.1 ASSEMBLY B Pilot 204/MP(H)/D (/FO) - 205/MP(H)/D (/FO) (decrease version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 105 Passo Azione Remove the spring (21). Remove and replace the plug (17). Remove the upper protection disc (15). Remove and replace the upper diaphragm (16), taking care to lubricate the lanyards with synthetic grease. NOTICE! Before inserting the replacement diaphragm, clean the retaining slots with a cleaning solution. Unscrew and remove the nut (25).
  • Page 106 MAGNETIC PILOT .../MPH 30.1 ASSEMBLY A 26.1 ASSEMBLY B Pilot 204/MP(H)/D (/FO) - 205/MP(H)/D (/FO) (decrease version) MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...
  • Page 107 Passo Azione Fit the adjusting screw (10) together with the cap (9). Place the stem (30.1) in the central tube (30). Tighten the central tube (30) with the O-ring (32). Slide the outer body (31) of the magnetic actuator onto the tube (30). Insert O-ring (51) and screw in the cap (52) of the magnetic actuator.
  • Page 108 9.4.3.6 - RECONNECT PILOT SERIES 200/MP(H) PILOT 200/MP... PILOT 200/MP(H)/D/FO VENT VALVE SFIATO VENT VALVE SFIATO GAS INLET ENTRATA GAS GAS INLET ENTRATA GAS SENSING LINE IMPULSO A VALLE SENSING LINE IMPULSO A VALLE GAS OUTLET USCITA GAS GAS OUTLET USCITA GAS Fig.

  • Page 109: Maintenance Procedure Of The Magnetic Actuator

    To disconnect the pilot, proceed as indicated in Tab. 9.53 (vedere Fig. 9.34): Passo Azione Insert and fix the screw (7) in the 200/MP. Insert and fix the screw (6) to reconnect the pre-regulator R14/A or il R31/A to the pilot 200/MP. Connect the pipe (20) by adjusting the fittings (4, 5).
  • Page 110 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS MAINTENANCE AND FUNCTIONAL CHECKS REV. H Use, maintenance and warning manual...

  • Page 111: Troubleshooting

    • qualified and authorised to carry out activities related to the equipment. WARNING! PIETRO FIORENTINI S.p.A. shall not be held liable for any damage to people and property due to services: • other than those described; • performed according to methods other than those specified;...

  • Page 112: Operator Qualification Specification

    10.2 - OPERATOR QUALIFICATION SPECIFICATION Commissioning • Mechanical maintenance technician; • Electrical maintenance technician; Operator qualification • Installer; • Name of the user. 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 113: Troubleshooting Tables

    (22) SG out of class due to dirty or Clean and replace if needed worn plug (17) Operation faults 200/MP SERIES PILOT Stem of magnetic actuator not Check mounting correctly mounted Check that the switchboard Incorrect electrical connection...
  • Page 114 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS TROUBLESHOOTING REV. H Use, maintenance and warning manual...

  • Page 115: Uninstallation And Disposal

    11 - UNINSTALLATION AND DISPOSAL 11.1 - 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 116: Disposal Information

    11.5 - DISPOSAL INFORMATION NOTICE! Bear in mind that the laws in force in the country of installation must be complied with. Illegal or improper disposal involves the application of the penalties provided for by the legislation in force in the country of installation. NOTICE! Proper disposal prevents damage to humans and the environment and promotes the reuse of precious raw materials.

  • Page 117: Recommended Spare Parts

    If spare parts not marked are used, PIETRO FIORENTINI S.p.A. their declared performance cannot be guaranteed. It is recommended to use original spare parts PIETRO FIORENTINI S.p.A. 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 NOTICE! For specific information, please refer to the sales network of PIETRO FIORENTINI S.p.A.
  • Page 118 PAGE INTENTIONALLY LEFT BLANK MAGNETIC PILOT FOR PRESSURE REGULATORS RECOMMENDED SPARE PARTS REV. H Use, maintenance and warning manual...

  • Page 119: Calibration Tables

    13 - CALIBRATION TABLES 13.1 - 200 SERIES PILOT CALIBRATION TABLES The adjustment ranges of the different pilots are shown in the following tables: Pilot 201/MP/D Pos. Spring item code Spring colour Min. 2700680 Brown 0,007 0,028 2700830 Red/Black 0,029 0,050 2700920 White/Yellow...
  • Page 120 Pilot 204/MPH/D REVAL 182 Pos. Spring item code Spring colour Min. 2701260 White 2701530 Yellow 1,001 d = Wire Diameter (mm) Lo = Spring length (mm) De = External Diameter (mm) Tab. 13.63 Pilot 201/MP/I Pos. Spring item code Spring colour Min.
  • Page 121 Pilot 204/MPH/I REVAL 182 Pos. Spring item code Spring colour Min. 2701530 Yellow 2702070 Orange 7,001 d = Wire Diameter (mm) Lo = Spring length (mm) De = External Diameter (mm) Tab. 13.68 Pre-regulator R31/A Pos. Spring item code Spring colour Min.

  • Page 122: 200/Mp(H)/Fo Series Pilot Calibration Tables

    13.2 - 200/MP(H)/FO SERIES PILOT CALIBRATION TABLES Pilot 204/MP/D/FO Pos. Spring item code Spring colour Min. 2701541 White 2701800 Yellow 2,201 2702080 Orange 3,501 2702290 5,001 2702460 Green 8,001 2702660 Black 13,001 2702820 Blue 20,001 d = Wire Diameter (mm) Lo = Spring length (mm) De = External Diameter (mm) Tab.
  • Page 123 MAGNETIC PILOT FOR PRESSURE REGULATORS CALIBRATION TABLES REV. H Use, maintenance and warning manual...
  • Page 124 TM0110ENG...

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