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Trunnion Mounted Ball Valves

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Trunnion Mounted Ball Valves
API 6DISO 17292ASME B16.34

Sizes 50mm–900mm (2"–36"), Class 150–1500. Split body (top entry & welded body). Flanged & butt weld ends. Double piston effect.

Size Range50mm–900mm
Pressure RatingClass 150–1500
ConstructionTwo- or three-piece bolted split body; cast and forged options
End ConnectionsFlanged, butt weld, flange x weld and ring-joint options
InstallationHorizontal or vertical, with the stem at any angle
TestingAPI 6D / API 598; fire-safe to API 607 and API 6FA
Stem SealingBlowout-proof stem with ISO 15848 low-emission sealing
Production Capacity10,000 units/year
CategoryBall Valves

Engineered for Performance

  • Trunnion-supported, full-bore piggable design
  • Bi-directional double block and bleed
  • Single or double piston-effect seats
  • Automatic cavity-pressure relief
  • Emergency seat and stem sealant injection
  • Fire-safe, anti-static and low-emission design
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Need custom specifications? Our engineering team can help you find the right solution.

Typical Materials of Construction

Body & end pieceA105 / WCB for standard and sour service; A350 LF2 / LCB for low temperature; A182 F316 / CF8M for corrosive service
BallA105 or WCB with electroless nickel plating; CF8 / CF8M; A182 F316
StemSS316 or ASTM A564 17-4PH H1150
Seat insertPTFE, RPTFE, Devlon, Delrin, Nylon, PEEK or metal
Seals & springsViton, HNBR or PTFE O-rings; GFT stem gasket; Inconel X750 / X718 coil spring

Final material selection depends on pressure, temperature, media and service conditions.

Common Service Areas

  • Oil & gas pipelines
  • Natural gas
  • Chemical and process plants
  • Hydrocarbon service

Your Flow Challenge Deserves More Than a Catalogue.

Our engineering team works with you to specify, design, and deliver the exact valve solution your application demands.