Road vehicles. Compressed natural gas (CNG) fuel system components - Check valve Ingestion-build-117251 J and U and also

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Road vehicles. Compressed natural gas (CNG) fuel system components - Check valve Ingestion-build-117251 J and U and also1 Scope This document specifies tests and requirements for the check valve, a compressed natural gas (CNG) fuel system component intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles (mono fuel, bi fuel or dual fuel applications) using natural gas in accordance with the ISO 15403 series. It is not applicable to the following: a) liquefied natural gas (LNG) fuel system components located upstream