ISO 12619-2:2014规定了压缩气态氢（CGH2）和氢/天然气混合燃料系统部件的性能和一般试验方法，这些部件拟用于ISO 3833中定义的机动车类型。 ISO 12619-2:2014的本部分适用于根据ISO 14687-1或ISO 14687-2使用CGH2的车辆，以及根据ISO 15403-1和ISO/TR 15403-2使用天然气的氢气/天然气混合物。它不适用于以下情况: -液化氢（LH2）燃料系统部件； -燃料容器； -固定式燃气发动机； -集装箱安装硬件； -电子燃料管理； -加油容器。

ISO 12619-2:2014 specifies performance and general test methods for compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. This part of ISO 12619-2:2014 is applicable to vehicles using 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: -liquefied hydrogen (LH2) fuel system components; -fuel containers; -stationary gas engines; -container mounting hardware; -electronic fuel management; -refuelling receptacles.