ISO 15500-3-2001 道路车辆—压缩天然气 CNG燃料系统部件—单向阀
适用范围： This part of ISO 15500 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 part of ISO 15500 is applicable to vehicles mono-fuel, bi-fuel or dual-fuel applications using natural gas in accordance with ISO 15403 all parts. It is not applicable to the following:
a liquefied natural gas LNG fuel system components located upstream of, and including, the vaporizer
b fuel containers
c stationary gas engines
d container-mounting hardware
e electronic fuel management
f refuelling receptacles.
