ISO 15500-4:2012 Preview
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:
- liquefied natural gas (LNG) fuel system components located upstream of, and including, the vaporizer;
- fuel containers;
- stationary gas engines;
- container-mounting hardware;
- electronic fuel management;
- refuelling receptacles.
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