固定球阀: 铸钢固定球三片式
MAIN FEATURES:
The trunnion ball valve is equipped with a movable seat seal ring which can generate displacement under the pressure of medium. In case that any medium pressure exists, the pressure will press the valve seat seal ring onto the ball tightly, guaranteeing the sealing performance of the ball valve.
1.Fireproof Structure
2.Anti-static Device
3.DBB(Double Block and Bleed)
4.Free Leakage
5.Bi-sealing Structure
6.Emergency Sealing Device
7.Safety Relief Device
8.Blow-out Proof Stem
9.Various Driving Type
10.Extension stem
Product Range
Body material: WCB, CF8,CF8M,CF3,CF3M
Nominal diameter:2"～20"
Pressure range:Class150～Class 1500
End connection: RF, RTJ, BW
