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    • ANSI/CSA HGV 4.7-2013 (R2018)

    Codes & Standards - Purchase

    ANSI/CSA HGV 4.7-2013 (R2018)

    Automatic valves for use in gaseous hydrogen vehicle fueling stations
    SKU: 2422535 Published by CSA Group Publication Year 2013 Reaffirmed in 2018 29 pages Withdrawn

    Product Details

    • Overview
    • Preface/Scope
    Hydrogen fueling station
    The hydrogen gas industry's emphasis on safety led to the development of ANSI/CSA HGV 4.7-2013 Automatic Valves for use in Gaseous Hydrogen Vehicle Fueling Stations. This standard contains safety requirements for the materials, design, manufacture and testing of automatic valves used in gaseous hydrogen vehicle fueling stations.

    This standard applies to newly manufactured:
    • Pneumatically actuated valves
    • Check valves
    • Excess Flow valves
    • Electrically actuated valves
    • This standard does not apply to:
    • Hydraulically actuated valves
    • Pressure regulating valves
    • Pressure relief valves
    • Certain fueling nozzle valves
    Valves shall be:
    • Designed to minimize the possibility of incorrect assembly
    • Designed to be secure against displacement, distortion, warping or other damage
    • Constructed to maintain a fixed relationship among essential parts to provide continued compliance with this standard when under normal and reasonable conditions of handling and usage.

    Preface


    This is the First edition of ANSI/CSA HGV 4.7-2013, Automatic Valves for Use in Gaseous Hydrogen Vehicle Fueling Stations. It supersedes the previous edition published in 2009.


    Scope


    This Standard contains safety requirements for the material, design, manufacture and testing of automatic valves (see Clause 3) used in gaseous hydrogen vehicle fueling stations. This Standard applies to newly manufactured


    a) Pneumatically actuated valves


    b) Check valves


    c) Excess Flow valves


    d) Electrically actuated valves


    1.1

    This Standard does not apply to:


    a) Hydraulically actuated valves


    b) Pressure regulating valves


    c) Pressure relief valves; or


    d) Fueling nozzle valves as covered by the Standards for Compressed Hydrogen Surface Vehicle Refueling Connection Device, SAE J2600, or ISO 17268


    1.1.1


    A valve that complies with the requirements for a Class A valve may be used for a Class B valve application, however, a Class B valve may not be substituted for a Class A valve. (see Clause 3).


    1.1.2

    All references to pressure throughout this document are to be considered gauge pressures unless otherwise specified.


    1.1.3

    All dimensions used in this standard are in metric units [International System of Units (SI)], unless otherwise specified. If a value for a measurement, as given in this standard, is followed by an equivalent value in other units, the first stated is to be regarded as the specification.


    1.2

    This Standard contains SI (Metric) corresponding to the yard/pound quantities, the purpose being to allow the standard to be used in SI (Metric) units. (Standard for use of the International System of Units (SI): The Modern Metric System, IEEE/ASTM SI I0 or ISO 80000-1:2009 Quantities and units- Part 1: General are used as a guide in making metric conversion from yard/pound quantities.) If a value for a measurement and a corresponding value in other units are stated, the first stated value is to be regarded as the requirement. The given corresponding value may be approximate. If a value for a measurement and a corresponding value in other units are both specified as a quoted marking requirement, the first stated unit, or both shall be provided.

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