PIETRO FIORENTINI VS/AM 58 User manual

VS/AM 58
EN
Relief valve
USE, MAINTENANCE
AND WARNING
MANUAL
Revision A - Edition 05/2023

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1 - INTRODUCTION
FOREWORD
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 photocopies, recording or any other storage and retrieval system,
for any other purposes that are not exclusively the personal use of the buyer, without the express written permission of
the Manufacturer.
The manufacturer is in no way responsible for the consequences of operations carried out in a manner not in accordance
with the manual.
GENERAL REMARKS
All operating, maintenance instructions and recommendations described in this manual must be followed to in order to:
• get the best possible performance from the device;
• maintain the device in an efcient condition;
• carry out maintenance work regularly.
Training the personnel in charge is essential in order to:
• the use and maintenance of the device in the correct manner;
• correctly apply the safety alerts and recommended procedures.
Revision: A
COPYRIGHT 2023
© PIETRO FIORENTINI S.P.A.

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1.1 - REVISION HISTORY
Revision
index Date Revision contents
A05/2023 First issue
Tab. 1.1.

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INDICE
1 - INTRODUCTION .................................................................................................................. 3
1.1 - REVISION HISTORY.................................................................................................................................. 5
2 - GENERAL INFORMATION .................................................................................................. 9
2.1 - MANUFACTURER IDENTIFICATION .......................................................................................................... 9
2.2 - IDENTIFICATION OF THE PRODUCT ........................................................................................................ 9
2.3 - REGULATORY FRAMEWORK................................................................................................................... 9
2.4 - WARRANTY............................................................................................................................................ 10
2.5 - SYMBOLS USED IN THE MANUAL......................................................................................................... 10
2.6 - ADDRESSEES, SUPPLY AND STORAGE OF THE MANUAL................................................................... 11
2.7 - LANGUAGE ............................................................................................................................................ 11
2.8 - APPLIED RATING PLATES...................................................................................................................... 12
2.8.1 - GLOSSARY FOR RATING PLATES........................................................................................................13
2.9 - GLOSSARY OF MEASUREMENT UNITS................................................................................................. 13
2.10 -QUALIFIED PROFESSIONAL FIGURES................................................................................................... 14
3 - SAFETY .............................................................................................................................. 15
3.1 - GENERAL SAFETY WARNINGS.............................................................................................................. 15
3.2 - PERSONAL PROTECTIVE EQUIPMENT.................................................................................................. 16
3.3 - RESIDUAL RISKS ................................................................................................................................... 17
3.3.1 - TABLE SHOWING RESIDUAL RISKS DUE TO PRESSURE ...................................................................18
3.3.2 - TABLE OF RESIDUAL RISKS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES ...................................20
3.4 - OBLIGATIONS AND PROHIBITIONS ....................................................................................................... 22
3.5 - SAFETY PICTOGRAMS .......................................................................................................................... 22
3.6 - NOISE LEVEL ......................................................................................................................................... 22
4 - DESCRIPTION AND OPERATION .................................................................................... 23
4.1 - GENERAL DESCRIPTION ....................................................................................................................... 23
4.2 - OPERATION............................................................................................................................................ 24
4.3 - INTENDED USE ...................................................................................................................................... 25
4.3.1 - ENVISAGED USE ..................................................................................................................................25
4.3.2 - REASONABLY FORESEEABLE MISUSE ...............................................................................................25
4.3.3 - TYPES OF FLUIDS ................................................................................................................................25
4.4 - TECHNICAL FEATURES/PERFORMANCE .............................................................................................. 26

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5 - TRANSPORT AND HANDLING......................................................................................... 27
5.1 - SPECIFIC WARNINGS FOR TRANSPORT AND HANDLING ................................................................... 27
5.1.1 - PACKAGING AND FASTENERS USED FOR TRANSPORT ....................................................................28
5.2 - PACKAGING CONTENT.......................................................................................................................... 28
5.3 - PHYSICAL CHARACTERISTICS OF THE DEVICE ................................................................................... 29
5.3.1 - STANDARD VERSION ...........................................................................................................................29
5.3.2 - FLANGED VERSION .............................................................................................................................30
5.4 - DEVICE ANCHORING AND LIFTING METHOD ....................................................................................... 31
5.4.1 - FORKLIFT HANDLING METHOD...........................................................................................................32
5.5 - PACKAGING REMOVAL.......................................................................................................................... 34
5.5.1 - PACKAGING DISPOSAL .......................................................................................................................34
5.6 - STORAGE AND ENVIRONMENTAL CONDITIONS .................................................................................. 35
5.6.1 - STORAGE LASTING LONGER THAN THE MAXIMUM TIME ALLOWED................................................35
6 - INSTALLATION .................................................................................................................. 36
6.1 - INSTALLATION PRE-REQUISITES........................................................................................................... 36
6.1.1 - ALLOWED ENVIRONMENTAL CONDITIONS.........................................................................................36
6.1.2 - STORAGE LASTING LONGER THAN THE MAXIMUM TIME ALLOWED................................................36
6.1.3 - CHECKS BEFORE INSTALLATION........................................................................................................37
6.2 - SPECIFIC SAFETY INSTRUCTIONS FOR THE INSTALLATION STEP...................................................... 38
6.3 - POSSIBLE INSTALLATIONS OF THE DEVICE ......................................................................................... 39
6.4 - INSTALLATION PROCEDURE ................................................................................................................. 40
6.4.1 - DEVICE INSTALLATION PROCEDURE ..................................................................................................41
6.5 - POST-INSTALLATION CHECKS .............................................................................................................. 41
7 - COMMISSIONING/MAINTENANCE EQUIPMENT........................................................... 42
7.1 - LIST OF EQUIPMENT.............................................................................................................................. 42
8 - COMMISSIONING ............................................................................................................. 43
8.1 - GENERAL WARNINGS ........................................................................................................................... 43
8.1.1 - SAFETY REQUIREMENTS FOR COMMISSIONING ...............................................................................43
8.2 - PRELIMINARY PROCEDURES FOR COMMISSIONING .......................................................................... 44
8.3 - PROPER COMMISSIONING CHECK ...................................................................................................... 45
8.4 - CALIBRATION OF EQUIPMENT AND ACCESSORIES INSTALLED.......................................................... 45
8.5 - RELIEF VALVE COMMISSIONING PROCEDURE VS/AM 58.................................................................... 46
8.5.1 - WITH EXTERNAL PRESSURE SOURCE ...............................................................................................46
8.5.2 - WITHOUT EXTERNAL PRESSURE SOURCE ........................................................................................48

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9 - MAINTENANCE AND FUNCTIONAL CHECKS................................................................ 49
9.1 - GENERAL WARNINGS ........................................................................................................................... 49
9.2 - PERIODICALLY CHECKING AND INSPECTING THE EQUIPMENT FOR PROPER OPERATION .............. 51
9.3 - ROUTINE MAINTENANCE ...................................................................................................................... 52
9.3.1 - GENERAL SAFETY WARNINGS............................................................................................................52
9.3.2 - REPLACEMENT FREQUENCY FOR COMPONENTS SUBJECT TO WEAR ...........................................52
9.4 - ROUTINE MAINTENANCE PROCEDURES.............................................................................................. 54
9.4.1 - PRELIMINARY OPERATIONS................................................................................................................54
9.4.2 - DISASSEMBLY/REASSEMBLY ..............................................................................................................54
9.4.3 - TIGHTENING TORQUES ......................................................................................................................56
9.4.3.1 - TIGHTENING TORQUES FOR PRESSURE SWITCHES MODELS 102M/102MH - 105M/105MH .56
9.4.4 - REPLACING ELEMENTS SUBJECT TO WEAR AND ABRASION...........................................................59
9.4.5 - RELIEF VALVE MAINTENANCE PROCEDURE VS/AM 58......................................................................60
9.4.6 - PROCEDURE FOR RECOMMISSIONING AFTER MAINTENANCE ........................................................66
10 - TROUBLESHOOTING........................................................................................................ 67
10.1 -GENERAL WARNINGS ........................................................................................................................... 67
10.2 -OPERATOR QUALIFICATION SPECIFICATION........................................................................................ 68
10.3 -TROUBLESHOOTING PROCEDURES .................................................................................................... 68
10.4 -TROUBLESHOOTING TABLE.................................................................................................................. 68
11 - UNINSTALLATION AND DISPOSAL ................................................................................. 69
11.1 -GENERAL SAFETY WARNINGS.............................................................................................................. 69
11.2 -QUALIFICATION OF THE OPERATORS IN CHARGE............................................................................... 69
11.3 -UNINSTALLATION................................................................................................................................... 69
11.4 -INFORMATION REQUIRED IN CASE OF RE-INSTALLATION................................................................... 70
11.5 -DISPOSAL INFORMATION...................................................................................................................... 70
12 - RECOMMENDED SPARE PARTS..................................................................................... 71
12.1 -GENERAL WARNINGS ........................................................................................................................... 71
12.2 -HOW TO REQUEST SPARE PARTS........................................................................................................ 71
13 - CALIBRATION TABLES ..................................................................................................... 73
13.1 -CALIBRATION TABLES ........................................................................................................................... 73
13.1.1 - SAFETY VALVE VERSION......................................................................................................................73
13.1.2 - RELIEF VALVE VERSION .......................................................................................................................73

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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.
NOTICE!
For any problems with the device, please contact your gas network distributor.
2.2 - IDENTIFICATION OF THE PRODUCT
Device RELIEF VALVE
Series VS/AM 58
Available models
• VS/AM 58 BP
• VS/AM 58 MP
• VS/AM 58 TR
Tab. 2.3.
2.3 - REGULATORY FRAMEWORK
PIETRO FIORENTINI S.P.A. with registered ofce in Arcugnano (Italy) - Via E. Fermi, 8/10, declares under its sole respon-
sibility that the VS/AM 58 relief valve covered by this manual, is classied as a safety accessory and is:
• compliant with the Pressure Equipment Directive 2014/68/EU (PED);
• designed, manufactured, tested and controlled in accordance with the requirements of the standards: UNI 11655:2016,
UNI EN 16129:2013, UNI EN 334:2019 where applicable.
NOTICE!
For specic type approvals, see the appropriate section on the Manufacturer’s website: https://www.or-
entini.com
NOTICE!
The declaration of conformity in its original version is delivered together with the device and this manual.

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2.4 - WARRANTY
PIETRO FIORENTINI S.P.A. guarantees that the device was manufactured using the best materials, with high quality work-
manship, and complies with the quality requirements, specications 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:
• due to 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 device supplied by PIETRO FIORENTINI S.P.A.
without the prior written approval of the latter;
• in the event of failure by the purchaser to comply with the instructions contained in this manual, as provided by
PIETRO FIORENTINI S.P.A.
NOTICE!
The warranty conditions are specied in the commercial contract.
2.5 - SYMBOLS USED IN THE MANUAL
Symbol Denition
Symbol used to identify important warnings for the safety of the operator and/or device.
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 device.
Obligation to consult the instruction manual.
Indicates a requirement for the personnel to refer to (and understand) the instruction manual
before working with or on the device.
Tab. 2.4.
HAZARD!
Alerts to a hazard with a high level of risk, an imminent hazardous situation which, if not prevented, will
result in death or severe damage.
WARNING!
Alerts to a hazard with a medium level of risk, a potentially hazardous situation which, if not prevented,
may result in death or severe damage.
ATTENTION!
Alerts to a hazard with a low level of risk, a potentially hazardous situation which, if not prevented, could
result in minor or moderate damage.
NOTICE!
Alerts to specic warnings, directions or notes of particular concern, that are not related to physical injury,
as well as practices for which physical injury is not likely to occur.