CSA/ANSI HGV 3.1 : 2015

Preface
1 Scope
2 Reference publications
3 Definitions
4 General requirements
5 General test methods
6 Quality assurance
7 Inspection and acceptance testing
8 Check valve
9 Manual valve
10 Manual container valve
11 Automatic valve and automatic container valve
12 Gas injector
13 Pressure sensors and pressure gauges
14 Pressure regulator
15 Pressure relief valve
16 Pressure relief device
17 Excess flow valve
18 Gas-tight housing and leakage capture lines and passages
19 Stainless steel rigid fuel line
20 Flexible fuel line
21 Filter housings
22 Fitting
23 Non-metallic low pressure rigid fuel line
24 Discharge line closures
Annex A (Informative) - Extreme thermal cycling test

Sets up requirements for newly produced compressed hydrogen gas fuel system components, intended for use on hydrogen gas powered vehicles as listed below: a) check valves; b) manual valves; c) manual container valves; d) automatic valves; e) gas injectors; f) pressure indicators; g) pressure regulator; h) pressure relief valves; i) pressure relief devices; j) excess flow valves; k) gas-tight housing and leakage capture lines and passages; l) rigid fuel lines; m) flexible fuel lines; n) filter housing; o) fittings; and p) discharge line closures.