Trunnion Ball Valve: Cast Trunnion Ball Valve3-pc


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.

Design Features

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 etc.

Nominal diameter:2"~20"

Pressure range:Class150~Class 1500

End connection: RF, RTJ, BW


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