Design standard:API 602, ANSI B16.34, BS 5352, GB/T12224, GB/T12228, GB/T12234

Socket welding end:ANSI B16.11, JB/T 175-95

Screw end:ANSI B1.20.10(NPT), GB/T7306-87(RC)

Butt welding end:ANSI B16.25, GB/T12224

Flange end:ANSI B16.5, JB/T82.1~82.4-94

Face to face(Flange):ANSI B16.10, JB/T97-95

Construction:BB or WB, OS & Y

Inspect and test:API 598, GB/T13924, JB/T9092

Body material: A105, LF2, F5, F11, F22, F304, F316, F304L, F316L, F347, F321, F51, Monel, Alloy 20