CSA/ANSI HGV 4.4:21

Current Revision
Gaseous hydrogen — Fuelling stations — Valves (Adopted ISO 19880-3:2018, first edition, 2018-06, with North American deviations)

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CSA/ANSI HGV 4.4:21
Gaseous hydrogen — Fuelling stations — Valves (Adopted ISO 19880-3:2018, first edition, 2018-06, with North American deviations)
Scope

This document provides the requirements and test methods for the safety performance of high pressure gas valves that are used in gaseous hydrogen stations of up to the H70 designation. This document covers the following gas valves: — check valve; — excess flow valve; — flow control valve; — hose breakaway device; — manual valve; — pressure safety valve; — shut-off valve.

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