1 Scope
This part of ISO 15500 specifies tests and requirements for fittings, compressed natural gas (CNG) fuel system components intended for use on the types of motor vehicles defined in ISO 3833.
This part of ISO 15500 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:
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a) liquefied natural gas (LNG) fuel system components located upstream of, and including, the vaporizer;
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b) fuel containers;
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c) stationary gas engines;
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d) container-mounting hardware;
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e) electronic fuel management;
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f) refuelling receptacles.