【英文标准名称】: Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Fire Protection Principle Backflow Preventers 【原文标准名称】: 减压法防回流装置和减压防火法防回流装置的性能要求 【标准号】: ANSI/ASSE 1013-2005 【标准状态】: 现行 【国别】: 美国 【发布日期】: 2005-04-08 【实施或试行日期】: 【发布单位】: 美国国家标准学会(ANSI)【起草单位】: ASSE (Organization)【标准类型】: ()【标准水平】: ()【中文主题词】: 止回阀;防火【英文主题词】: fire protection;check valves【摘要】: The purpose of an RP and an RPF is to keep contaminated water from flowing back into a potable water distribution system. They consist of 2 independently-acting check valves separated by an intermediate chamber in which there is an hydraulically operated relief means for venting to atmosphere. These assemblies are designed to operate under continuous pressure conditions. This standard also applies to Manifold RPs That consist of two or more complete RPs in parallel.【中国标准分类号】: C84【国际标准分类号】: 91_140_60;23_060_50【页数】: 【正文语种】: 英语