ISO 15500-3-2020

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Road vehicles — Compressed natural

gas (CNG) fuel system components —

Part 3:

Check valve

Véhicules routiers — Composants des systèmes de combustible gaz

naturel comprimé (GNC) —

Partie 3: Valve de contrôle

INTERNATIONAL

STANDARD

ISO

15500-3

Third edition

2020-08

Reference number

ISO 15500-3:2020(E)











CP 401 • Ch. de Blandonnet 8



Phone: +41 22 749 01 11



Website: www.iso.org

Published in Switzerland

ISO 15500-3:2020(E)

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Termsanddefinitions ..................................................................................................................................................................................... 1

4 Marking .......................................................................................................................................................................................................................... 2

5 Construction and assembly ....................................................................................................................................................................... 2

6 Tests ................................................................................................................................................................................................................................... 2

  .............................................................................................................................................................................................. 2

  .......................................................................................................................................................................... 3

6.3 Leakage .......................................................................................................................................................................................................... 3

6.4 Continued operation .......................................................................................................................................................................... 3

Bibliography ................................................................................................................................................................................................................................ 4

Contents Page

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标签： #ISO

摘要：

ISO 15500-3-2020 是国际标准化组织发布的关于氢燃料电池汽车用压缩氢气燃料系统部件的最新标准，重点规范了氢气减压阀的设计、性能测试与安全要求。该标准适用于道路车辆中用于调节氢气压力的减压阀组件，确保其在高压氢气环境下具备可靠的密封性、耐久性和抗腐蚀能力，从而保障车辆整体燃料系统的运行安全。ISO 15500-3-2020 的出台为全球氢燃料汽车制造商、零部件供应商及认证机构提供了统一的技术参考，推动了氢能汽车产业链的标准化进程，符合环保与新能源车辆发展趋势。遵循该标准有助于提升产品

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ISO 15500-3-2020

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