ISO 12619-6:2017规定了自动阀、压缩气态氢（CGH2）和氢/天然气混合燃料系统部件的试验和要求，这些部件拟用于ISO 3833中定义的机动车类型。 它适用于根据ISO 14687-1或ISO 14687-2使用压缩气态氢（CGH2）的车辆，以及根据ISO 15403-1和ISO/TR 15403-2使用天然气的氢/天然气混合物。它不适用于以下情况: 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。 注1:应认识到，本文未具体涵盖的其他组件可进行检查，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，否则本文件中提及的所有压力均应视为表压。 注3:本文件可能不适用于符合国际法规的燃料电池车辆。

ISO 12619-6:2017 specifies tests and requirements for the automatic valve, 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. It 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. 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. NOTE 3 This document may not apply to fuel cell vehicles in compliance with international regulations.