標準號：BS EN 14451-2005
中文標準名稱：防飲用水回流污染的裝置.直通反真空閥DN 8至DN 80. A型D系列
英文標準名稱：Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 8 to DN 80 - Family D, type A
標準類型：Q81
發(fā)布日期：2005/12/21 12:00:00
實施日期：2005/12/21 12:00:00
中國標準分類號：Q81
國際標準分類號：13.060.20;23.060.50
引用標準：EN 806-1-2000;EN 1717-2000;EN ISO 228-1;EN ISO 3822-1;EN ISO 3822-3;EN ISO 3822-4;EN ISO 5167-1;EN ISO 6509;ISO 7-1;ISO 9227
適用范圍：This document specifies:a) field of application;b) requirements for in line anti-vacuum valves;c) dimensional, the physico-chemical properties and the properties of general hydraulic, mechanical andacoustic design of in-line anti-vacuum valves DN 8 to DN 80;d) test method and requirements for verifying these properties;e) marking and presentation;f) acoustics.This document specifies the characteristics of in-line anti-vacuum valves DN 8 to DN 80 that are suitable for use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 °C and for 1 h at 90°C.