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ANSI NGV 3.1-2012/CSA 12.3-2012

Fuel system components for compressed natural gas powered vehicles

Establishes requirements for newly produced compressed natural gas fuel system components, intended for use on natural gas powered vehicles, as listed in Table 1, Fuel System Components. Table 1:Fuel System Components,Check Valve, Manual Valve, Manual Container Valve, Automatic Valve, Gas Injector, Pressure Indicator, Pressure Regulator, Gas Flow Adjuster, Gas/Air Mixer, Pressure Relief Valve, Pressure Relief Device, Excess Flow Valve, Gas Tight Housing and Ventilation, Hoses, Rigid Fuel Line, Flexible Fuel Line, Filter, Fittings, Relief Line Closures.

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