ISO 12619-7:2017规定了气体喷射器和/或燃料轨、压缩气态氢（CGH2）和氢/天然气混合物燃料系统部件的试验和要求，该燃料系统部件用于ISO 3833中定义的机动车辆类型。 ISO 12619-7:2017适用于根据ISO 14687使用压缩气态氢（CGH2）的车辆1或ISO 146872和氢气/天然气混合物使用符合ISO 15403的天然气1和ISO/TR 154032.不适用于以下情况: a） 液化氢（LH2）燃料系统部件； b） 燃料容器； c） 固定式燃气发动机； d） 集装箱安装硬件； e） 电子燃料管理； f） 加油容器； g） 燃料电池汽车。 注1:本文件中未特别涉及的其他部件可进行检查，以满足本文件的标准，并根据适当的功能测试进行测试。 注2:除非另有规定，否则本文件中所有压力参考均应视为表压。

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.