ISO 15500-4:2012

Road vehicles — Compressed natural gas (CNG) fuel system components — Part 4: Manual valve

ISO 15500-4:2012 specifies tests and requirements for the manual valve, a compressed natural gas (CNG) fuel system component intended for use on the types of motor vehicles defined in ISO 3833.

ISO 15500-4:2012 is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using natural gas in accordance with ISO 15403.

It is not applicable to the following:

1. liquefied natural gas (LNG) fuel system components located upstream of, and including, the vaporizer;
2. fuel containers;
3. stationary gas engines;
4. container-mounting hardware;
5. electronic fuel management;
6. refuelling receptacles.

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