标准摘要
[中文适用范围]： 本文件规定了用于降低水基消防系统管道下游水压的减压阀的性能要求、测试方法和标记要求。 在本文件的上下文中，减压阀包括先导式减压阀和直动式减压阀。 其他辅助部件或减压阀附件的性能和测试要求不在本文件的范围内。 [外文原描述]： This document specifies performance requirements, methods of test and marking requirements for pressure reducing valves intended to reduce the downstream water pressure in the piping for water-based fire protection systems. Within the context of this document, pressure reducing valves include both pilot operated pressure reducing valves and direct acting pressure reducing valves. Performance and test requirements for other auxiliary components or attachments to pressure reducing valves are not within the scope of this document.
英文名称Fire protection — Automatic sprinkler systems — Part 17: Requirements and test methods for pressure reducing valves