Feature

1.Design and manufacture: ASME/ANSI B16.34;API 600;GB/T 12224 GB/T12228;GB/T12235;GB/T12236
2.Face to face: ASME/ANSI B16.10;JB/T96-95
3.Dimension of flange:ASME/ANSI B16.5;JB/T82.1~82.2
4.Structural feature:B.C.spring lifting, piston lifting and swing type
5.Sealing accessory material: according to “ordering guide”.
6.Body material:A105;LF2;F5;F11;F22; F304;F316;F304L;F316L
7.Valve inspection and test according to API 598 or GB/T13927