1 Scope
This document 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.
This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using natural gas in accordance with ISO 15403‑1.
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.