Trunnion Mounted Ball Valves

Ball Valves with Trunnion mounted designs is available for over 2" size and are generally used for higher pressure. The ball mounted on trunnion supported in body bearings above and below the ball. Sealing is achieved by spring loaded piston type seats which shut off flow when line pressure acts on the upstream seat. This design provides automatic relief of cavity overpressure.Three pieces body, blow-out proof stem, antistatic device, fire-safe designed and certified, double block and bleed, self relieving. Execution could be full bore or reduced bore, and materials can be carbon steel, stainless steel, special alloys resilient or metal seated.

Trunnion Mounted Ball Valves Range

Size:NPS 2"-56" ANSI CLASS:150LB-2500LB          

Body Material:WCB,LCB,WC6,WC9,C12,C5,CF8,CF3,CF3M,CF8M,A105,LF2,F11,F22,F5,F304,F316,F304L,F316L   

Ball Material:ASTM A105ENP,A182 F304(L),A351 CF8(3),A182 F316,A351 CF8M,A351 CF3M　　　　　　　　　　　

Driving: Manual/Electric/Worm Wheel/Pneumatic,etc

If you have any enquiry about trunnion mounted ball valves, please feel free to email us at This email address is being protected from spambots. You need JavaScript enabled to view it.. Our sales representative will contact you within 24 hours. Thank you for your interest in our trunnion mounted ball valves.