PIETRO FIORENTINI 30051 User manual

MANUALE USO,MANUALE USO,
MANUTENZIONEMANUTENZIONE
E AVVERTENZAE AVVERTENZA
Regolatori per gas di bassa pressione
IT
Revisione A - Edizione 12/2022
GOVERNORS
NORTH AMERICA
OPERATION, MAINTENANCEOPERATION, MAINTENANCE
AND WARNING MANUALAND WARNING MANUAL
Low pressure gas regulators
Review A - Edition 12/2022

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1 - INTRODUCTION
PREFACE
All rights reserved. No part of this publication may be reproduced, distributed, translated into other languages, or trans-
mitted by any electronic or mechanical media, including photocopying, recording, or any other storage and retrieval
system, for any purpose other than the purchaser's exclusively personal use, without the express written consent of the
Manufacturer.
The Manufacturer is in no way responsible for the consequences of any operations performed in a manner different from
what is stated in the manual.
GENERAL CONSIDERATIONS
All operating instructions and recommendations described in this manual must be followed to:
• get the best possible performance from the equipment;
• keep the equipment in efcient condition.
Of particular importance is the training of personnel responsible for:
• the use of the equipment in the correct way;
• the application of the indicated safety directions and procedures.
The images in this document are indicative of the product type and may differ in the
details.
Revision: A
COPYRIGHT 2022
© PIETRO FIORENTINI S.P.A.

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1.1 - REVISION HISTORY
Revision
index Date Review Contents
A12/2022 First issue
Tab. 1.1.

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INDEX
1 - INTRODUCTION.................................................................................................................. 3
1.1 - REVISION HISTORY.................................................................................................................................. 5
2 - GENERAL INFORMATION ................................................................................................ 11
2.1 - MANUFACTURER IDENTIFICATION........................................................................................................ 11
2.2 - PRODUCT IDENTIFICATION ................................................................................................................... 11
2.3 - REGULATORY SYSTEM ......................................................................................................................... 11
2.4 - WARRANTY............................................................................................................................................ 12
2.5 - RECIPIENTS, SUPPLY AND CONSERVATION OF THE MANUAL............................................................ 12
2.6 - LANGUAGE ............................................................................................................................................ 12
2.7 - SYMBOLS USED IN THE MANUAL......................................................................................................... 13
2.8 - IDENTIFICATION PLATES APPLIED ........................................................................................................ 14
2.8.1 - IDENTIFICATION PLATES GLOSSARY ..................................................................................................16
2.9 - MEASUREMENT UNIT GLOSSARY ........................................................................................................ 17
2.10 -QUALIFIED PROFESSIONALS ................................................................................................................ 18
3 - SAFETY .............................................................................................................................. 21
3.1 - GENERAL SAFETY WARNINGS.............................................................................................................. 21
3.2 - PERSONAL PROTECTIVE EQUIPMENT.................................................................................................. 22
3.3 - OBLIGATIONS AND PROHIBITIONS ....................................................................................................... 23
3.4 - SAFETY PICTOGRAMS .......................................................................................................................... 23
3.5 - NOISE LEVEL ......................................................................................................................................... 23
3.6 - RESIDUAL RISKS ................................................................................................................................... 24
3.6.1 - TABLE OF RESIDUAL RISKS DUE TO PRESSURE ...............................................................................25
3.6.2 - RESIDUAL RISKS TABLE FOR POTENTIALLY EXPLOSIVE ATMOSPHERES.........................................27

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4 - DESCRIPTION AND OPERATION .................................................................................... 29
4.1 - VERSIONS, MODELS AND CONFIGURATIONS...................................................................................... 29
4.1.1 - SURFACE TREATMENTS ......................................................................................................................30
4.2 - GENERAL DESCRIPTION ....................................................................................................................... 31
4.2.1 - ZERO VERSION DESCRIPTION ............................................................................................................32
4.2.2 - OPD VERSION DESCRIPTION ..............................................................................................................33
4.2.3 - DUAL CUT VERSION DESCRIPTION ....................................................................................................34
4.3 - OPERATION............................................................................................................................................ 35
4.3.1 - OPD VERSION OPERATION..................................................................................................................36
4.3.2 - DUAL CUT VERSION OPERATION........................................................................................................37
4.4 - INTENDED USE ...................................................................................................................................... 38
4.4.1 - INTENDED USE ....................................................................................................................................38
4.4.2 - REASONABLY FORESEEABLE MISUSE ...............................................................................................38
4.4.3 - TYPES OF FLUIDS................................................................................................................................38
4.5 - TECHNICAL/FUNCTIONAL FEATURES................................................................................................... 39
4.5.1 - FLOW RATE COEFFICIENTS.................................................................................................................40
4.6 - SAFETY DEVICES................................................................................................................................... 44
4.6.1 - SAFETY MEMBRANE............................................................................................................................44
4.6.2 - VENT LIMITER ......................................................................................................................................45
4.6.3 - PRESSURE TAP....................................................................................................................................46
4.6.3.1 - PROCEDURE FOR USE WITH STANDARD PRESSURE TAP.......................................................47
5 - TRANSPORT AND HANDLING......................................................................................... 49
5.1 - SPECIFIC WARNINGS FOR TRANSPORT AND HANDLING ................................................................... 49
5.1.1 - PACKAGING AND FASTENING SYSTEMS USED FOR TRANSPORT....................................................50
5.2 - PHYSICAL CHARACTERISTICS OF STABILIZER WITH AND WITHOUT FILTER...................................... 51
5.2.1 - PHYSICAL CHARACTERISTICS OF THE ZERO VERSION ....................................................................52
5.2.2 - PHYSICAL CHARACTERISTICS OF THE RATIO VERSION....................................................................53
5.2.3 - PHYSICAL CHARACTERISTICS OF THE OPD AND DUAL CUT VERSIONS..........................................54
5.3 - METHOD FOR ANCHORING AND LIFTING THE EQUIPMENT................................................................ 55
5.3.1 - FORKLIFT HANDLING METHOD...........................................................................................................56
5.4 - UNPACKING ........................................................................................................................................... 58
5.4.1 - PACKAGING DISPOSAL .......................................................................................................................58
5.5 - STORAGE AND ENVIRONMENTAL CONDITIONS .................................................................................. 59
5.5.1 - STORAGE LONGER THAN THE MAXIMUM ALLOWABLE DURATION..................................................59
6 - COMMISSIONING/MAINTENANCE EQUIPMENT........................................................... 61
6.1 - EQUIPMENT LIST ................................................................................................................................... 61

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7 - INSTALLATION .................................................................................................................. 63
7.1 - INSTALLATION PRE-REQUISITES........................................................................................................... 63
7.1.1 - ENVIRONMENTAL CONDITIONS ..........................................................................................................63
7.1.2 - STORAGE LONGER THAN THE MAXIMUM ALLOWABLE DURATION..................................................63
7.1.3 - CHECKS BEFORE INSTALLATION........................................................................................................64
7.2 - INSTALLATION-SPECIFIC SAFETY WARNINGS...................................................................................... 65
7.3 - GENERAL INFORMATION ABOUT THE LINE.......................................................................................... 66
7.3.1 - INSTALLATION TYPE (STANDARD/GOVAL VERSION)...........................................................................67
7.3.2 - ZERO VERSION INSTALLATION............................................................................................................68
7.3.3 - RATIO VERSION INSTALLATION ...........................................................................................................69
7.3.4 - INSTALLATION TYPE (OPD/DUAL CUT VERSION)................................................................................70
7.4 - INSTALLATION PROCEDURES............................................................................................................... 71
7.4.1 - POST-INSTALLATION INDICATIONS .....................................................................................................72
7.5 - EQUIPMENT ADJUSTMENTS................................................................................................................. 72
7.5.1 - STANDARD VERSION ADJUSTMENTS ................................................................................................73
7.5.2 - ZERO VERSION ADJUSTMENTS .........................................................................................................74
7.5.3 - RATIO VERSION ADJUSTMENTS ........................................................................................................75
7.5.4 - OPD VERSION ADJUSTMENTS............................................................................................................76
7.5.5 - DUAL CUT VERSION ADJUSTMENTS ..................................................................................................77
8 - COMMISSIONING ............................................................................................................. 79
8.1 - GENERAL WARNINGS ........................................................................................................................... 79
8.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING ...............................................................................79
8.2 - PRELIMINARY PROCEDURES FOR COMMISSIONING .......................................................................... 80
8.3 - CALIBRATION OF SAFETY DEVICES...................................................................................................... 80
8.4 - COMMISSIONING OF THE REGULATOR................................................................................................ 80
8.4.1 - COMMISSIONING OF THE STANDARD VERSION REGULATOR...........................................................81
8.4.2 - COMMISSIONING OF THE ZERO VERSION REGULATOR....................................................................82
8.4.3 - COMMISSIONING OF THE RATIO VERSION REGULATOR ...................................................................83
8.4.4 - COMMISSIONING OF THE OPD AND DUAL CUT VERSION REGULATOR ...........................................84
8.5 - VERIFICATION OF PROPER COMMISSIONING ...................................................................................... 84

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9 - MAINTENANCE AND FUNCTIONAL TESTING ............................................................... 85
9.1 - GENERAL WARNINGS ........................................................................................................................... 85
9.2 - PERIODIC CHECKS AND VERIFICATIONS OF PROPER OPERATION .................................................... 86
9.2.1 - FUNCTIONAL CHECKS OF SAFETY DEVICES......................................................................................86
9.3 - TIGHTENING TORQUES......................................................................................................................... 87
9.4 - STABILIZER MAINTENANCE................................................................................................................... 88
10 - UNINSTALLATION AND DISPOSAL ................................................................................. 95
10.1 -GENERAL SAFETY WARNINGS.............................................................................................................. 95
10.2 -QUALIFICATION OF THE OPERATORS IN CHARGE............................................................................... 95
10.3 -UNINSTALLING....................................................................................................................................... 95
10.4 -INFORMATION NEEDED IN CASE OF NEW INSTALLATION ................................................................... 96
10.5 -DISPOSAL INFORMATION...................................................................................................................... 96
11 - CALIBRATION TABLES..................................................................................................... 97
11.1 -CALIBRATION TABLES ........................................................................................................................... 97

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2 - GENERAL INFORMATION
2.1 - MANUFACTURER IDENTIFICATION
Manufacturer PIETRO FIORENTINI S.P.A.
Address
Via Enrico Fermi, 8/10
36057 Arcugnano (VI) - ITALY
Tel. [phone] Fax [phone]
www.orentini.com sales@orentini.com
Tab. 2.2.
2.2 - PRODUCT IDENTIFICATION
Equipment LOW PRESSURE GAS REGULATOR
Series GOVERNORS NORTH AMERICA
Possible versions
• Standard.
• Zero.
• Ratio.
• Goval.
• Over Pressure Device (OPD).
• Dual Cut.
Tab. 2.3.
2.3 - REGULATORY SYSTEM
PIETRO FIORENTINI S.P.A. with registered ofce in Arcugnano (Italy) - Via E. Fermi, 8/10, declares that the equipment
GOVERNORS NORTH AMERICA subject of this manual is designed, manufactured, tested and controlled in accordance
with the requirements of the standards: UNI EN 88-1:2016; UNI 11655:2016, UNI EN 16129:2013 as applicable.
For specic approvals see appropriate section on the Manufacturer's website: https://www.orentini.com
The original version of the declaration of conformity is delivered together with the equipment and this
manual.

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2.4 - WARRANTY
PIETRO FIORENTINI S.P.A. guarantees that the equipment has been made with the best materials, with ne workmanship
and complies with the quality requirements, specications and performance envisaged in the order.
The warranty will be considered null and void and PIETRO FIORENTINI S.P.A. will not be responsible for any damage and/
or malfunctions:
• for any acts or omissions of the purchaser or end user, or any of their carriers, employees, agents or any third party
or entity;
• in the event that the purchaser, or a third party, makes changes to the equipment supplied by PIETRO FIORENTINI S.P.A.
without the prior written authorization of the latter;
• in case of non-compliance by the purchaser with the instructions contained in this manual, as supplied by
PIETRO FIORENTINI S.P.A.
The warranty conditions are specied in the commercial contract.
2.5 - RECIPIENTS, SUPPLY AND CONSERVATION OF THE MANUAL
The manual is intended for the qualied operator responsible and enabled to use and manage the equipment in all its
phases of technical life.
It contains the information necessary for correct use of the equipment, in order to keep its functional and qualitative char-
acteristics unchanged over time. All the information and warnings for correct use in complete safety are also provided.
The manual, like the declaration of conformity and/or test certication, is an integral part of the equipment and must al-
ways accompany it in every transfer or change of ownership. It is the user's duty to keep this documentation intact so that
it can be consulted throughout the life of the equipment itself.
It is forbidden to remove, rewrite or modify the pages of the manual and their contents.
Keep the manual near the equipment, in an accessible place known to all qualied technicians involved in
its use and management.
PIETRO FIORENTINI S.p.A. declines all responsibility for any damage to people, animals and things caused
by failure to observe the warnings and operating methods described in this manual.
2.6 - LANGUAGE
The original manual was written in Italian.
Any translations must be made starting from the original manual.
Language translations cannot be fully veried. If an inconsistency is found, the text of the original manual
must be followed.
If inconsistencies are found or the text is not understandable:
• suspend all action;
• contact immediately PIETRO FIORENTINI S.p.A. at the addresses indicated in paragraph 2.1.
PIETRO FIORENTINI S.p.A. is only responsible for the information contained in the original manual.

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2.7 - SYMBOLS USED IN THE MANUAL
Symbols (some of them conforming to ANSI Z535.4) are used within the manual to:
• emphasize information of relevant importance;
• draw attention to the purpose of proper and safe use of the machine.
Symbol Denition
Symbol used to identify important warnings for operator and/or equipment safety.
Symbol used to identify particularly important information in the manual.
The information may also concern the safety of personnel involved in using the equipment.
Obligation to consult the manual.
Indicates a requirement for personnel to consult (and understand) the equipment manual before
working with or on it.
Tab. 2.4.
DANGER - Indicates an imminently hazardous situation which, if not avoided, will result in death or serious
injury.
WARNING - Indicates a potentially hazardous situation which, if not avoided, could result in death or seri-
ous injury.
CAUTION - Indicates a potentially hazardous situation which, if not avoided, may result in minor or moder-
ate injury.
NOTICE - It is used to address practices not related to bodily injury.
SAFETY INSTRUCTIONS (or equivalent) - These are signs that indicate specic safety-related instructions
or procedures.

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2.8 - IDENTIFICATION PLATES APPLIED
It is absolutely forbidden to remove the identication plates and/or replace them with others.
If, for accidental reasons, the plates are damaged or removed, the customer must inform
PIETRO FIORENTINI S.p.A.
The equipment and its accessories are equipped with identication plates (Id.1 to Id.7).
The plates bear the identication details of the equipment and its accessories to be quoted if necessary to
PIETRO FIORENTINI S.p.A.
List of applied identication plates:
Id. Type Image
1STANDARD CSA LABEL
2ZERO LABEL
3RATIO LABEL
4GOVAL LABEL

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Id. Type Image
5OPD LABEL (MONITOR)
5a OPD LABEL (WORKER)
6DUAL CUT LABEL (1ST CUT)
6a DUAL CUT LABEL (2ND CUT)
7IDENTIFICATION PLATE
MONITOR
Tab. 2.5.

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2.8.1 - IDENTIFICATION PLATES GLOSSARY
The terms and abbreviations used on the identication plate are described below:
Description
Label terminologies
Standard Russia Poland Turkey Romania Spain
Kroms
Inlet pressure range bpu bpu Pe Pg
max/min -bpu
Regulated pressure pds Pd Pa Pç - Pd
Intervention pressure
maximum block
Block
VIS
Slam Shut
pdso
ЛЗК Макс
Pdso Zaw.up. EBÜ -
Block
VIS
Slam Shut
Pdso
Pdsu
Intervention pressure
minimum block
Block
VIS
Slam Shut
pdsu
ЛЗК МИН
Pdsu
Zaw.szyb-
kz. EBA -
Block
VIS
Slam Shut
Pdso
Pdsu
Minimum rated ow rate Q pumin -- Q min/max - Q Pumin
Maximum rated ow rate Q pumax -Q max Q min/max - Q Pumax
Regulator model Reg. per. Typ - FE Reg.
Regulator manufacturing batch P.L. ДАТА P.L. Date +
barcode Year P.L.
Regulator serial number S.N. С.н. No. barcode - S.N.
Rated ow rate of the regulator -Q nom - - - -
Input connection --DNe - DN /
Connection -
Outlet connection - -DNa - DN /
Connection -
Operating temperature range --T3 - T -
Accuracy class --- ÇT - -
Closure class - -- KT - -
Accuracy Group maximum block ---ETA - -
Accuracy Group minimum block --- ETÜ - -
Regulator head range - -- As - -
Calibration spring range --- - Wds -
Maximum block spring range --- EBÜ - -
Minimum block spring range --- EBA - -
Design pressure --- - PS -
Type of uid N.G. -- - Fluid -
Overow calibration --- - -
Overow
VAS
Relief Valve
Tab. 2.6.

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2.9 - MEASUREMENT UNIT GLOSSARY
Measurement type Unit of measurement Description
Consumption and
Volumetric ow
Sm³/h Standard cubic meters per hour
SCFH Standard cubic feet per hour
Sm³ Standard cubic meters
m³/h Cubic meters per hour
m³ Cubic meters
Pressure
bar Bar
psi Pounds per square inch
psia Pounds per square inch absolute
psig Pounds per square inch manometric
“WC Inch of water column
Pa Pascal
Temperature °C Degree Celsius
K Kelvin
Tightening torque Nm Newton meter
Other measurements
V Volt
W Watt
lb Pound
in Inch
ΩOhm
Tab. 2.7.

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2.10 - QUALIFIED PROFESSIONALS
Qualied operators in charge of using and managing the equipment in all its phases of technical life:
Professional Denition
Installer
Qualied operator able to:
• handle materials and equipment.
• carry out all the operations necessary for a correct and safe installation of the equip-
ment;
• carry out all the operations necessary for the correct functioning of the equipment and
the system in safety;
• be able to perform all necessary operations for the de-installation and subsequent dis-
posal of the equipment in accordance with the regulations in the country of installation.
Specialized
technician/
Maintenance techni-
cian
Trained and licensed technician to operate and manage the equipment who must:
• be able to carry out all the operations necessary for the proper functioning of the equip-
ment and system, guaranteeing their own safety and that of any third parties present;
• perform maintenance activities on all parts of the equipment subject to maintenance
(board and batteries);
• have access to all parts of the device for visual analysis, equipment status checking,
adjustments and calibrations;
• have proven experience in the correct use of equipment such as those described in this
manual and be trained, informed and instructed accordingly.
Tab. 2.8.

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