本文件规定了用于ISO 3833中定义的机动车类型的二甲醚（DME）燃油系统部件的一般要求和定义。它还提供了一般设计原则，并规定了说明和标记的要求。 本文件适用于根据ISO 16861和ASTM D7901使用二甲醚的车辆（单燃料、双燃料或双燃料应用）。它不适用于以下情况: a） 燃料容器； b） 固定式燃气发动机； c） 集装箱安装硬件； d） 电子燃料管理； e） 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视为表压。

This document specifies general requirements and definitions of Dimethyl Ether (DME) fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and marking. This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using Dimethyl Ether in accordance with ISO 16861 and ASTM D7901. It is not applicable to the following: a) fuel containers; b) stationary gas engines; c) container mounting hardware; d) electronic fuel management; e) 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 considered gauge pressures unless otherwise specified.