Top-Entry Trunnion Ball Valves
Convenient On-Site Maintenance for Critical Applications
Our Top-Entry Trunnion Ball Valves are engineered for high-temperature and critical service environments, providing easy on-site maintenance without removing the valve from the pipeline. The top-entry design allows direct access to the valve cavity, and an extended stem/bonnet is available for buried service applications, ensuring safe and efficient operations.
| Category | Specifications |
|---|---|
| Body Material | LTCS / CS with CRA weld overlay, Stainless Steel, Duplex, Super Duplex, 6MO, Titanium, Nickel Alloys |
| Seals | Soft or Metal seated with TCC or CCC |
| Design Standards | API 6D, ASME B16.34, API 608, API 607, NACE MR0175 |
| Size Range | DN25 (1”) – DN1500 (60”) |
| Connection Type | Flanged RF / RTJ, Clamped Hubs, Butt Weld End |
| Pressure Class | ANSI 150# – 2500# |
| Operation / Actuation | Worm Gear, Pneumatic Actuator, Electric Actuator, Hydraulic Actuator |
| Temperature Range | -46°C – 650°C |
Simplified on-site maintenance due to top-entry design
Quick opening and closing capabilities
Reduced risk of fugitive emissions
Tight sealing even at low differential pressures
Fewer potential leakage paths than side-entry bolted bonnet valves
Robust construction for extreme pipeline environments
Operational cost savings through efficient maintenance
Enhanced safety, minimizing exposure to hazardous media
Oil Pipeline Transmission
Storage Terminals
Oil Sands Service
Low / High-Temperature Applications
Switching Valve Service
Metering Skids
Buried Service Pipelines
Quick-Closing Applications