1、 Design and manufacture conform to API602、BS5352、ANSI B16.34
2、 Connection ends conform to
(1)Socket welded ends conform to ANSI B16.11,JB/T1751
(2)Screw ends conform to ANSI B1.20.1,JB/T7306
(3)Butt- welded conform to ANSI B16.25,JB/T12224
(4)Flange ends conform to ANSI B16.5,JB79
3、 Test and inspection conform to: API598,GB/T13927,JB/T9092
4、 Struture features;Bolted bonnet;three piece;
5、 Materials conform to ANSI/ ASTM.
6、 Main materials:A105;LF2;F5;F11;F22;304(L);316(4);
F347;F321;F51;Monel;20 Alloy
