Applied norm 1、Design and manufacture:ASME/ANSI B16.34 API 600;GB/T12224;GB/T12228;GB/T12235 2、Ends connection:1)SW dimension:ASME、ANSI B16.11;JB/T1751 2)Screwed dimension:ASME、ANSI B12.0.1(NPT); 3、Structural feature:W.C;Piston lifting type with spring-"Y"type 4、Sealing accessory material:according to "ordering guide" 5、Body material:A105;LF2;F5;F11;F22;F304;F316;F304L;F316L 6、Valve inspection and test according to API 598 or GB/T13927
Notes:The lifting check valve with spring can be installed horizontally and vertiaclly.The product code:marked with“T”in front of lifting check valve.For example:TH41H-160