BS EN 14454-2005 防饮用水回流污染的装置.软管接头防回流装置DN 15～DN 32.A型H系列

标准号：BS EN 14454-2005
中文标准名称：防饮用水回流污染的装置.软管接头防回流装置DN 15～DN 32.A型H系列
英文标准名称：Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 inclusive - Family H, type A
标准类型：Q81
发布日期：2006/10/31 12:00:00
实施日期：2006/10/31 12:00:00
中国标准分类号：Q81
国际标准分类号：13.060.20;23.060.01
引用标准：EN 806-1-2000;EN 1717-2000;EN ISO 228-1;EN ISO 3822-1;EN ISO 3822-3
适用范围：This document specifies:a) field of application;b) requirements for hose union backflow preventer;c) dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical andacoustic design of hose union backflow preventers DN 15 to DN 32;d) test method and requirements for verifying these properties;e) marking and presentation;f) acoustics.This document specifies the characteristics of hose union backflow preventers DN 15 to DN 32 that are suitablefor use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 °C and for1 h at 90 °