標準號：BS EN 12982-2009
中文標準名稱：工業閥門.對焊尾閥一端至另一端和中心到端面的尺寸
英文標準名稱：Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves
標準類型：J16
發布日期：2010/1/31 12:00:00
實施日期：2010/1/31 12:00:00
中國標準分類號：J16
國際標準分類號：23.060.01
引用標準：EN 736-1-1995;EN 736-2-1997
適用范圍：This European Standard specifies the end-to-end and centre-to-end dimensions for steel butt-welding end valves with connecting dimensions of welding ends in compliance with EN 12627, used in PN and Class designated piping systems.The range of PN is:- PN 10; PN 16; PN 25; PN 40; PN 63; PN 100; PN 160; PN 250; PN 320; PN 400.The range of Class is:- Class 150, Class 300, Class 600, Class 900, Class 1 500, Class 2 500.The range of nominal size is:- DN 8; 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 750; DN 800; DN 900, DN 1 000; DN 1 200.NOTE 1 DN 750 is not applicable to PN designated valves.NOTE 2 See Annex B for the relationship between nominal size (DN) and nominal pipe size (NPS).NOTE 3 Valves having welding end profiles different from those specified in EN 12627, may use the same dimensions than those specified in Table 1.