BS ISO 12619-9:2017规定了压力释放阀（PRV）的试验和要求，该阀是一种压缩式阀门 拟在飞机上使用的气态氢（CGH2）和氢/天然气混合燃料系统部件 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CGH2的车辆，以及 根据ISO 15403-1和ISO/TR 15403-2，使用天然气进行氢气/天然气混合。信息技术 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） 换料容器；g） 燃料电池汽车。 注1:应认识到，本文中未具体涵盖的其他组件可通过以下方式进行检查: 符合本文件的标准，并根据适当的功能测试进行测试。注2:除非另有说明，否则本文件中提及的所有压力均视为表压 明确规定。交叉引用:ISO 12619-2:2014ISO 12619-1:2014ISO/TS 15869:2009 Ed 1ISO/TR 15403-2:2006 Ed 1ISO 14687-2:2012 Ed 1ISO 13686:2013 Ed 2ISO 3833ISO 14687-1:1999ISO/TR 15916:2015ISO 15403-1:2006（R10）Ed 1ISO 11114-2:2013 Ed2购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS ISO 12619-9:2017 specifies tests and requirements for the pressure relief valve (PRV), a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833.It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend 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 considered gauge pressures unless otherwise specified.Cross References:ISO 12619-2:2014ISO 12619-1:2014ISO/TS 15869:2009 Ed 1ISO/TR 15403-2:2006 Ed 1ISO 14687-2:2012 ED1ISO 13686:2013 ED2ISO 3833ISO 14687-1:1999ISO/TR 15916:2015ISO 15403-1:2006 (R10) Ed 1ISO 11114-2:2013 ED2All current amendments available at time of purchase are included with the purchase of this document.