Trunnion ball valves are mainly used in pipeline and industry system to cut off and turn on of pipeline. Trunnion ball valves can be Cast steel trunnion ball valves and forged steel trunnion ball valves. Cast steel trunnion ball valves are designed in 2-pc or 3-pc body. Cast steel trunnion ball valves have better price compared to forged steel trunnion ball valves. Relia has been trunnion ball valve manufacturers for more than ten years; it plays an important role in cast steel trunnion ball valves China.

Features of Cast Steel Trunnion Ball Valves

1.Upstream sealing 
2. Self relieving seat
3. Double block and bleed
4. Fire safe design
5. Anti-static device
6. Blow-out proof stem
7. Emergency injection system 
8. Stem extension on request 
9. 2-Pc or 3-Pc body


Competitive Advantages:
Well and High Quality Control ,
In a Variety of Design,
Competitive price.