BS EN 13959-2004 防污染止回阀.包括E系列A、B、C和D型的DN 6～DN 250

标准号：BS EN 13959-2004
中文标准名称：防污染止回阀.包括E系列A、B、C和D型的DN 6～DN 250
英文标准名称：Anti-pollution check valves - DN 6 to DN 250 inclusive Family E, type A, B, C and D
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：23.060.50
引用标准：EN 1092-2;EN 1092-1;EN 1092-3;EN 558-1;EN 1254-1;EN 1254-2;EN 1254-3;EN 1254-4;EN 1267;EN 1717;EN ISO 3822-1;EN ISO 3822-3;EN ISO 5167-3;EN ISO 6509;ISO 9227
适用范围：The purpose of this document is to specify: field of application of anti-pollution check valves; backflow prevention properties, dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and acoustic design for anti-pollution check valves of nominal sizes DN 6 to DN 250 inclusive; family E, type A, controllable anti-pollution check valve (with test port); family E, type B, non-controllable anti-pollution check valve, including cartridge check valve; family E, type C, controllable anti-pollution double check valve (with test ports); family E, type D, non-controllable anti-pollution double check valve, including cartridge double checkvalve; test procedures and requirements for verifying the backflow protection properties of stop valves, draw-off taps etc. which incorporate a check valve function. Stop valves, draw off taps etc, need also to comply with a recognised standard; marking; presentation at delivery.