Severe-service trunnion mounted ball valves with top and bottom internal bearing blocks that absorb dynamic loads, stabilize the ball and support positive stem sealing.
| Size Range | 200mm–1200mm |
| Pressure Rating | Class 600–1500 |
| Construction | Two- or three-piece split body, cast or forged |
| Product Range | Class 600: 300–600mm; Class 150–600: 650–900mm; Class 900–1500: 300–600mm |
| Engineering | Developed and validated using 3D modelling, CFD and FEA techniques |
| Seat Options | PTFE, RPTFE, Devlon, Delrin, Nylon, PEEK or metal |
| Category | Ball Valves |
Key Features
Engineered for Performance
- Top and bottom internal bearing blocks
- Reduced potential leak paths
- Low-emission positive sealing
- Optimum operating torque
- Compact, vibration-resistant construction
- Smooth operation in critical service
Need custom specifications? Our engineering team can help you find the right solution.
Material Options
Typical Materials of Construction
| Body & end piece | A105 / WCB for standard and sour service; A350 LF2 / LCB for low temperature; A182 F316 / CF8M for corrosive service |
| Ball | A105 or WCB with electroless nickel plating; CF8 / CF8M; A182 F316 |
| Stem | SS316 or ASTM A564 17-4PH H1150 |
| Seat insert | PTFE, RPTFE, Devlon, Delrin, Nylon, PEEK or metal |
| Seals & springs | Viton, HNBR or PTFE O-rings; GFT stem gasket; Inconel X750 / X718 coil spring |
Final material selection depends on pressure, temperature, media and service conditions.
Applications
Common Service Areas
- Critical high-pressure service
- Oil & gas pipelines
- Natural gas
- Chemical and process plants
- Hydrocarbon service
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Our engineering team works with you to specify, design, and deliver the exact valve solution your application demands.