This European Standard specifies the design, testing and marking requirements for spring loaded pressure relief valves (PRV), for use in liquefied petroleum gas (LPG) cylinders.
These PRVs can be either an integral part of a cylinder valve (see EN ISO 14245 [3] and EN ISO 15995 [4]) or a separate device.
This European Standard does not exclude the use of other designs of pressure relief devices that provide a similar level of safety.

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This document, in conjunction with ISO 10297 and ISO 14246, specifies design, type testing, marking
and manufacturing tests, and examinations requirements for quick-release cylinder valves intended to
be fitted to refillable transportable gas cylinders, pressure drums and tubes which convey:
— non-toxic;
— non-oxidizing;
— non-flammable; and
— non-corrosive;
compressed or liquefied gases or extinguishing agents charged with compressed gases to be used for
fire-extinguishing, explosion pr...
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This document provides requirements for the selection of safe combinations of metallic cylinder and
valve materials and cylinder gas content.
The compatibility data given is related to single gases and to gas mixtures.
Seamless metallic, welded metallic and composite gas cylinders and their valves, used to contain
compressed, liquefied and dissolved gases are considered.
NOTE In this document the term “cylinder” refers to transportable pressure receptacles, which also include
tubes and pre...
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IEC 60045-1:2020 is applicable primarily to land-based horizontal steam turbines driving generators for electrical power services. Some of its provisions are relevant to turbines for other applications. Generator, gear box and other auxiliaries which are considered as a part of the system are also mentioned in this document. Detailed specifications for this equipment are not included in this document.
The purpose of this document is to make an intending purchaser aware of options and alternativ...
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EN ISO 10297 specifies design, type testing and marking requirements for: a) cylinder valves intended to be fitted to refillable transportable gas cylinders; b) main valves (excluding ball valves) for cylinder bundles; c) cylinder valves or main valves with integrated pressure regulator (VIPR); which convey compressed, liquefied or dissolved gases. NOTE 1 Where there is no risk of ambiguity, cylinder valves, main valves and VIPR are addressed with the collective term “valves” within this Interna...view more

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This European Standard specifies basic connection dimensions of LPG cylinder valves (manufactured in accordance with EN ISO 14245 and EN ISO 15995) and connectors (including pressure regulators) to enable them to be safely connected together.
NOTE 1   Figure 1 (type G.1) to Figure 19 (type G.33) give the types of threaded outlet connections.
NOTE 2   Figure 20 (type G.50) to Figure 34 (type G.66) give the types of non-threaded outlet connections.
This European Standard lists potentially unsafe co...
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This document specifies basic connection dimensions of LPG cylinder valves (manufactured in accordance with EN ISO 14245 and EN ISO 15995) and connectors (including pressure regulators) to enable them to be safely connected together.
NOTE 1   Figure 1 (type G.1) to Figure 19 (type G.33) give the types of threaded outlet connections.
NOTE 2   Figure 20 (type G.50) to Figure 34 (type G.66) give the types of non-threaded outlet connections.
This document lists potentially unsafe connections where it...
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This document specifies the requirements for design, specification, type testing and production testing and inspection for dedicated LPG self-closing cylinder valves for use with and directly connected to transportable refillable LPG cylinders. It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this document. Annex A identifies requirements for production testing and inspection. This document excludes other...view more

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This document specifies the requirements for design, specification, type testing and production testing and inspection for dedicated LPG self-closing cylinder valves for use with and directly connected to transportable refillable LPG cylinders. It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this document. Annex A identifies requirements for production testing and inspection. This document excludes other...view more

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IEC 63006:2019 specifies terminology and definitions related to wireless power transfer (WPT) technologies below 30 MHz to promote global harmonization of wireless power transfer terminology.
This document does not address terminology of wireless power transfer outside the scope of IEC TC 100 (Audio, video and multimedia systems and equipment), such as human exposure or safety.

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This document specifies constructional, functional, testing and marking requirements, sizing and documentation of gas safety shut-off devices used in the pressure regulating stations in accordance with EN 12186 or EN 12279:
- for inlet pressures up to 100 bar and nominal diameters up to DN 400;
- for an operating temperature range from –20 °C to +60 °C,
which operate with fuel gases of the 1st and 2nd family in accordance with EN 437 in transmission and distribution networks and also in commerci...
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This document specifies constructional, functional, testing and marking requirements, sizing and
documentation of gas pressure regulators used in the pressure regulating stations in accordance with
EN 12186 or EN 12279:
- for inlet pressures up to 100 bar and nominal diameters up to DN 400;
- for an operating temperature range from -20 °C to +60 °C,
which operate with fuel gases of the 1st and 2nd family in accordance with EN 437 in transmission and
distribution networks and also in commercial a...
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This document specifies constructional, functional, testing marking and sizing requirements and documentation of gas safety shut-off devices:
-   for inlet pressures up to 100 bar and nominal diameters up to DN 400;
-   for an operating temperature range from -20 °C to +60 °C;
which operate with fuel gases of the 1st and 2nd family as defined in EN 437, used in the pressure regulating stations in accordance with EN 12186 or EN 12279, in transmission and distribution networks and also in commercia...
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This European Standard specifies constructional, functional, testing, marking, sizing and documentation requirements of gas pressure regulators:
-   for inlet pressures up to 100 bar and nominal diameters up to DN 400;
-   for an operating temperature range from - 20  °C to +60 °C,
which operate with fuel gases of the 1st and 2nd  family as defined in EN 437:2003+A1:2009, used in the pressure regulating stations in accordance with EN 12186 or EN 12279, in transmission and distribution networks an...
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This European Standard specifies the design, testing and inspection requirements for pressure relief valve isolating devices, valve manifolds, vent pipes and system assemblies which are, where necessary, used with pressure relief valves for use in static pressure vessels for Liquefied Petroleum Gas (LPG) service.
This European Standard addresses both prototype testing and production testing of isolating devices and PRV manifolds.
Pressure relief valves for LPG pressure vessels are specified in...
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This part of IEC 60534 specifies face-to-face (FTF) and centre-to-face (CTF) dimensions for
given nominal sizes and pressure ratings of flanged, two-way, globe-type, straight pattern and
angle pattern control valves. The nominal sizes included are DN 15 to DN 400 for straight
pattern control valves and DN 15 to DN 400 for angle pattern control valves.

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This European Standard specifies the general safety, design, construction, and performance requirements and testing for safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning one or more gaseous fuels or liquid fuels. This European Standard is applicable to controls with declared maximum inlet pressure up to and including 500 kPa of nominal connection sizes up to and including DN 250.
This European standard specifies general product requirem...
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This European Standard specifies the design, testing and inspection requirements for pressure relief valve isolating devices, valve manifolds, vent pipes and system assemblies which are, where necessary, used with pressure relief valves for use in static pressure vessels for Liquefied Petroleum Gas (LPG) service.
This European Standard addresses both prototype testing and production testing of isolating devices and PRV manifolds.
Pressure relief valves for LPG pressure vessels are specified in...
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This part of IEC 60534 specifies face-to-face (FTF) and centre-to-face (CTF) dimensions for given nominal sizes and pressure ratings of flanged, two-way, globe-type, straight pattern and angle pattern control valves. The nominal sizes included are DN 15 to DN 400 for straight pattern control valves and DN 15 to DN 400 for angle pattern control valves.

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This European Standard specifies the general safety, design, construction, and performance requirements and testing of safety, control or regulating devices (hereafter referred to as controls) for burners and appliances burning one or more gaseous fuels or liquid fuels. This European Standard is applicable to controls with declared maximum inlet pressure up to and including 500 kPa and of nominal connection sizes up to and including DN 250.
This European standard specifies general product requi...
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This document specifies design, type testing, and marking requirements for cylinder valves with
integrated pressure regulators [as defined in 3.26 and referred to hereafter as valves with
integrated pressure regulators (VIPRs)] intended for the administration of medical gases in
the treatment, management, diagnostic evaluation and care of patients or for gases used for driving
surgical tools.
Examples of gases include oxygen, medical air and oxygen/nitrous oxide mixtures.
This document app...
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This document specifies the design, construction, type testing, and marking requirements for pressure
regulators (as defined in 3.18) intended for the administration of medical gases and their mixtures
in the treatment, management, diagnostic evaluation and care of patients or for gases used for driving
surgical tools.
Examples of gases include oxygen, medical air and oxygen/nitrous oxide mixtures.
This document applies to pressure regulators:
a) intended to be connected to cylinders by th...
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This document specifies design, construction, type testing, and marking requirements for manifold
pressure regulators (as defined in 3.7) and line pressure regulators (as defined in 3.5) intended
for use in medical gas pipeline systems.
Examples of gases include oxygen, medical air and oxygen/nitrous oxide mixtures.
This document applies to manifold pressure regulators and line pressure regulators supplied
as individual units or to the relevant components incorporated within an assembly.
M...
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IEC 60534-3-1:2019 specifies face-to-face (FTF) and centre-to-face (CTF) dimensions for given nominal sizes and pressure ratings of flanged, two-way, globe-type, straight pattern and angle pattern control valves This second edition cancels and replaces the first edition published in 2000. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) This standard has been extended to cover face-to-face ...
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    • Standard
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      English and French language

This document covers the emergency pressure relief valve.
It specifies the performance requirements and the critical dimensions of the emergency pressure relief valve. It also specifies the tests necessary to verify the compliance of the equipment with this document.
The service equipment specified by this document is suitable for use with liquid petroleum products and other dangerous substances of Class 3 of ADR [2] which have a vapour pressure not exceeding 110 kPa at 50 oC and petrol, and w...
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This document covers the emergency pressure relief valve.
It specifies the performance requirements and the critical dimensions of the emergency pressure relief valve. It also specifies the tests necessary to verify the compliance of the equipment with this document.
The service equipment specified by this document is suitable for use with liquid petroleum products and other dangerous substances of Class 3 of ADR [2] which have a vapour pressure not exceeding 110 kPa at 50 °C and petrol, and w...
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Specifies end-to-end dimensions for given nominal sizes and pressure ratings of buttweld, two-way, global-type, straigth pattern control valves for nominal sizes DN 15 through DN 450. Aids users in their piping design by providing normalized dimensions of buttweld end control valves.

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2016-11-28 CEN/TC 23 N 1065 : skipping FV approved

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ISO 15996:2005 specifies requirements for residual pressure valves, with or without a non-return function, for gas cylinders and the methods of testing such valves, for type approval.
ISO 15996:2005 is applicable to valves to be fitted to gas cylinders of up to 150 l water capacity, intended to contain compressed, liquefied or dissolved gases.
ISO 15996:2005 does not cover valves for fire extinguishers, cryogenic equipment or liquefied petroleum gas.

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This document specifies the design, type testing, marking and manufacturing tests and examinations
requirements for self-closing cylinder valves intended to be fitted to refillable transportable gas
cylinders which convey compressed, liquefied or dissolved gases.
NOTE 1 The main applications for such self-closing cylinder valves are in the calibration gas and beverage
industries.
This document covers the function of a self-closing cylinder valve as a closure.
NOTE 2 Requirements for standa...
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ISO 15996:2017 specifies design, type testing and marking requirements for cylinder valves incorporating residual pressure devices, hereinafter referred to as residual pressure valves (RPVs). This document applies to the following types of RPVs:
a) cylinder valves intended to be fitted to refillable transportable gas cylinders;
b) main valves (excluding ball valves) for cylinder bundles;
c) cylinder valves or main valves with integrated pressure regulator (VIPR);
d) valves for pressure drums...
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ISO 17879:2017 specifies the design, type testing, marking and manufacturing tests and examinations requirements for self-closing cylinder valves intended to be fitted to refillable transportable gas cylinders which convey compressed, liquefied or dissolved gases.
NOTE 1 The main applications for such self-closing cylinder valves are in the calibration gas and beverage industries.
ISO 17879:2017 covers the function of a self-closing cylinder valve as a closure.
NOTE 2 Requirements for standar...
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This document specifies test methods and the evaluation of results from these tests in order to qualify
steels suitable for use in the manufacture of gas cylinders (up to 3 000 l) for hydrogen and hydrogen
bearing embrittling gases.
This document only applies to seamless steel gas cylinders.
The requirements of this document are not applicable if at least one of the following conditions for the
intended gas service is fulfilled:
— the working pressure of the filled embrittling gas is less ...
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ISO 11114-4: 2017 specifies test methods and the evaluation of results from these tests in order to qualify steels suitable for use in the manufacture of gas cylinders (up to 3 000 l) for hydrogen and hydrogen bearing embrittling gases.
This document only applies to seamless steel gas cylinders.
The requirements of this document are not applicable if at least one of the following conditions for the intended gas service is fulfilled:
- the working pressure of the filled embrittling gas is less...
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      French language

ISO 16852:2016 specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use.
This International Standard is valid for pressures ranging from 80 kPa to 160 kPa and temperatures ranging ...
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This part of IEC 60534 establishes a method to predict the noise generated in a control valve
by liquid flow and the resulting noise level measured downstream of the valve and outside of
the pipe. The noise may be generated both by normal turbulence and by liquid cavitation in
the valve. Parts of the method are based on fundamental principles of acoustics, fluid
mechanics, and mechanics. The method is validated by test data.

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This part of IEC 60534 is applicable to industrial-process control valves and provides the flow
capacity test procedures for determining the following variables used in the equations given in
IEC 60534-2-1:
a) flow coefficient C;
b) liquid pressure recovery factor without attached fittings FL;
c) combined liquid pressure recovery factor and piping geometry factor of a control valve
with attached fittings FLP;
d) piping geometry factor FP;
e) pressure differential ratio factors xT and xTP...
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ISO 21013-3:2016 provides separate calculation methods for determining the required mass flow to be relieved for each of the following specified conditions:
- vacuum-insulated vessels with insulation system (outer jacket + insulating material) intact under normal vacuum, outer jacket at ambient temperature, inner vessel at temperature of the contents at the specified relieving pressure;
- vacuum-insulated vessels with insulation system (outer jacket + insulating material) intact under normal v...
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IEC 60534-2-3:2015(E) is applicable to industrial-process control valves and provides the flow capacity test procedures for determining the following variables used in the equations given in IEC 60534-2-1: a) flow coefficient C; b) liquid pressure recovery factor without attached fittings FL; c) combined liquid pressure recovery factor and piping geometry factor of a control valve with attached fittings FLP; d) piping geometry factor FP; e) pressure differential ratio factors xT and xTP; f) valv...view more

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This part of ISO 6953 specifies which characteristics of compressed air pressure regulators are to be
included in literature from their suppliers. It also applies to filter-regulators.
This part of ISO 6953 applies to
— manually controlled direct operated types (with or without relieving mechanism),
— manually controlled internal pilot operating types (e.g. nozzle flapper), and
— external pilot operated types.
In addition, it specifies the product marking requirements for pressure regulato...
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This part of ISO 6953 specifies test procedures and a method of presenting the results concerning
the parameters which define the main characteristics to be included in literature from suppliers of
regulators and filter-regulators conforming to ISO 6953-1.
The purpose of this part of ISO 6953 is the following:
— to facilitate the comparison of pressure regulators and filter-regulators by standardizing test
methods and presentation of test data;
— to assist in the proper application of pres...
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      35 pages
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This European Standard specifies the safety, construction and performance requirements for pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulator), intended for use with gas burners, gas appliances and similar use, hereafter referred to as ‘pressure regulators’.
This European Standard is applicable to
-   pressure regulators with declared maximum inlet pressures up to and including...
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This Technical Report is aimed primarily at persons who are responsible for the safe design and operation of installations and equipment using flammable liquids, vapours or gases.
This document applies to both industrial and mining applications
This document describes possible risks and gives proposals for the protection against these risks by the use of flame arresters.
This document gives some guidance to choice of flame arresters according to EN ISO 16852 for different common scenarios and...
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This European Standard specifies the safety, construction and performance requirements for pressure regulators and pneumatic gas/air ratio pressure regulators (zero pressure regulators are included as a special type of pneumatic gas/air ratio pressure regulator), intended for use with gas burners, gas appliances and similar use, hereafter referred to as ‘pressure regulators’.
This European Standard is applicable to
-   pressure regulators with declared maximum inlet pressures up to and including...
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