標準號：BS EN 12334-2001
中文標準名稱：工業閥門.鑄鐵單向閥門
英文標準名稱：Industrial valves - Cast iron check valves
標準類型：J16
發布日期：2001/3/15 12:00:00
實施日期：2001/3/15 12:00:00
中國標準分類號：J16
國際標準分類號：23.060.50
引用標準：EN 558-1;EN 736-1;EN 736-2;EN 736-3;EN 1092-2
適用范圍：This European Standard specifies the requirements for cast iron check valves. This standard applies to cast iron check valves mainly used for industrial and general purpose applications. However, they may be used for other applications provided the requirements of the relevant performance standards are met. The range of nominal sizes covered is: DN 10; DN 15; DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN 100; DN 125; DN 150; DN 200; DN 250; DN 300; DN 350; DN 400; DN 450; DN 500; DN 600; DN 700; DN 800; DN 900; DN 1000. The range of pressure designations covered is: PN 2,5; PN 6; PN 10; PN 16; PN 25. NOTE: Back flow prevention anti-pollution check valves are outside the scope of this standard.