DIN EN 14341-2006 工业阀门.钢制检验阀

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标准号:DIN EN 14341-2006
中文标准名称:工业阀门.钢制检验阀
英文标准名称:Industrial valves - Steel check valves; English version of DIN EN 14341:2006-10
标准类型:J16
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:J16
国际标准分类号:23.060.50
引用标准:EN 19-2002;EN 287-1-2004;EN 736-1-1995;EN 736-2-1997;EN 736-3-1999
适用范围:This European Standard specifies the requirements for steel check valves, which are forged, cast or fabricated in straight, angle or oblique pattern (see EN 736-2) with end connections flanged or wafer, butt welding, socket welding, or threaded.This standard is applicable to steel check valves mainly used for industrial and general purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met.Back flow prevention anti-pollution check valves are outside the scope of this standard. The range of nominal sizes covered is:— DN 8; DN 10; DN 12; DN 15; DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN 100; DN 125;DN 150; DN200; DN 250; DN 300; DN 350; DN 400; DN 450; DN 500; DN 600; DN 700; DN 750;DN800;DN900; DN 1000.DN 750 is used for Class designated valves only.DN 8 and DN 12 are not used for PN designated flanged end connections.DN 8, DN 10 and DN 12 are not used for Class designated flanged end connections.Socket welding end valves and threaded end valves are limited to the range DN 8 to DN 65.The range of pressure designations covered is:a) for flanged end, wafer type and butt welding end valves:PN 10; PN 16; PN 25; PN 40; PN 63; PN 100;Class 150; Class 300; Class 600.b) for socket welding end valves and threaded end valves:PN40; PN63; PN 100;Class 600; Class 800. NOTE Class 800 is a Class designation widely used for socket welding and threaded end valves.

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