Size：DN50-DN900 mm（2“-36”）
Working Pressure：Class150-2500LB
Medium：Water、Natural Gas、Sulfuration、Gas、Oil
Body Material：WCB、CF8、CF8M、CF3、CF3M
Connection：Flange
Criterion：GB/T 12237-1989、API 6D、API 608
Structure：Two-Pieces and Three-Pieces structure，two seats for one valve，good seal at each direction, middle flange connected by studs, stem with sliding bearing to reduce the friction.
Full Bore：easy to clean