What is a Trunnion Ball Valve?
A Trunnion Ball Valve is a specialized type of ball valve designed to handle high-pressure and high-flow applications. Unlike floating ball valves, the trunnion-mounted ball is supported by mechanical anchors (trunnions) to reduce operating torque and enhance sealing efficiency, making it ideal for critical services in oil & gas, petrochemical, and water treatment industries.
Key Features & Benefits
✔ High-Pressure Resistance – Engineered for systems requiring ANSI Class 600 to 2500 and higher.
✔ Reduced Operating Torque – Trunnion support minimizes friction, allowing smoother operation even under extreme pressures.
✔ Double Block & Bleed (DBB) Capability – Ensures zero leakage for safe isolation during maintenance.
✔ Fire-Safe Design – Compliant with API 607/API 6FA standards for emergency shut-off.
✔ Anti-Static & Blowout-Proof Stem – Prevents sparks and ensures stem integrity under high stress.
✔ Versatile Material Options – Available in carbon steel, stainless steel, alloy steel, and exotic materials for corrosive environments.
Applications
Oil & Gas Pipelines (Upstream, Midstream, Downstream)
Refineries & Petrochemical Plants
Power Generation & Water Treatment
Cryogenic & High-Temperature Services
Why Choose Our Trunnion Ball Valves?
Our API 6D & ASME B16.34 certified trunnion ball valves ensure reliability, durability, and superior sealing performance in the most demanding conditions. With advanced design features like self-lubricating seats, anti-cavitation trims, and full-port designs, our valves guarantee long-term efficiency with minimal maintenance.
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