ISO 15500-4:2012 PDF

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.