標準號：BS EN 14454-2005
中文標準名稱：防飲用水回流污染的裝置.軟管接頭防回流裝置DN 15～DN 32.A型H系列
英文標準名稱：Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 inclusive - Family H, type A
標準類型：Q81
發布日期：2006/10/31 12:00:00
實施日期：2006/10/31 12:00:00
中國標準分類號：Q81
國際標準分類號：13.060.20;23.060.01
引用標準：EN 806-1-2000;EN 1717-2000;EN ISO 228-1;EN ISO 3822-1;EN ISO 3822-3
適用范圍：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 °