道路车辆 二甲醚（DME）燃油系统部件 第6部分：压力释放阀（PRV）

[中文适用范围]： 本文件规定了用于限制二甲醚 (DME) 燃料容器内部压力的压力释放阀的定义和一般要求，该燃料容器用于 ISO 3833 定义的机动车辆类型。它还提供了一般设计原则并规定了说明和标记的要求。本文件适用于符合 ISO 16861 的使用气体燃料的车辆。它不适用于以下情况：a) 除上述用途之外的任何用途的燃料容器；c) 燃料容器安装硬件；e) 电子燃料管理；b) 固定式、船舶、铁路车辆或飞机 DME 发动机装置；d) 燃料容器以外的车辆燃料系统部件；f) 加油容器。注 1 众所周知，可以检查本文未具体涉及的各种组件属性是否符合 ISO 22760 系列中任何适用部分的标准，包括对组件进行适当的功能测试。注 2 除非另有规定，本文件中提到的所有压力均为表压。 [外文原描述]： This document specifies definitions of and general requirements to a pressure relief valve for limiting internal pressure of dimethyl ether (DME) fuel containers intended for use on the types of motor vehicles as defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and marking. This document is applicable to vehicles using gaseous fuels in accordance with ISO 16861. It is not applicable to the following: a) fuel containers for any application other than as noted above; b) stationary, ship, railroad vehicle or aircraft DME engine installations; c) fuel container mounting hardware; d) parts of vehicle fuel systems other than the fuel container; e) electronic fuel management; f) refuelling receptacles. NOTE 1 It is recognized that miscellaneous component properties not specifically addressed herein can be examined for compliance with the criteria of any applicable part of the ISO 22760 series, including subjecting the component to appropriate functional tests. NOTE 2 All pressures referred to in this document are gauge pressures unless otherwise specified.