Design standard: API 600、GB/T 12234.
Small flow resistance for fluid.
Only a small force is required for opening/closing.
No limitation on the flowing direction of the medium .
During opening and closing process, the friction between the disc wedge and the seat is small, so the sealing is reliable ensuring tightness and long service life.
The valve is designed with a back-seat structure.
Optional pressure seal bonnet type.
Optional : solid-wedge type.
Optional : non-rising stem structures.
Optional : jacket structure.
Body material: carbon steel, stainless steel, alloy steel, exotics.
Pressure range: Class150～2500（PN10~PN420）
End connection: RF, RTJ, BW
Mode of operation: Hand wheel, gear box, Electric , Pneumatic , etc.