What is ISO 15500 ‑ 3 about?
ISO 15500 ‑ 3 is part three of the multi-series standard that 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 .
ISO 15500 ‑ 3 is applicable to vehicles (mono-fuel, bi-fuel, or dual-fuel applications) using natural gas in accordance with the ISO 15403 series.
Note-
ISO 15500 ‑ 3 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
Refueling receptacles
Who is ISO 15500 ‑ 3 for ?
BS ISO 15500-3:2020 history
2020BS ISO 15500-3:2020 Road vehicles. Compressed natural gas (CNG) fuel system components - Check valve
2016BS ISO 15500-3:2012+A1:2016 Road vehicles. Compressed natural gas (CNG) fuel system components-Check valve
2012BS ISO 15500-3:2012 Road vehicles. Compressed natural gas (CNG) fuel system components. Check valve