ISO 12619-7:2017 specifies tests and requirements for the gas injector and/or fuel rail, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system component intended for use on the types of motor vehicles defined in ISO 3833.

ISO 12619-7:2017 is applicable to vehicles using compressed gaseous hydrogen (CGH2) in accordance with ISO 14687‑1 or ISO 14687‑2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403‑1 and ISO/TR 15403‑2. It is not applicable to the following:

a) liquefied hydrogen (LH2) fuel system components;

b) fuel containers;

c) stationary gas engines;

d) container mounting hardware;

e) electronic fuel management;

f) refuelling receptacles;

g) fuel cell vehicles.

NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of this document and tested according to the appropriate functional tests.

NOTE 2 All references to pressure in this document are to be considered gauge pressures unless otherwise specified.