Key Specifications / Features
The Double Block & Bleed (DBB) Valve features a full welded construction engineered to API 6D standards for maximum strength and leak-tight performance in high-pressure service. Manufactured from ASTM A182 F55 super duplex stainless steel, this 10-inch (DN250) valve is rated Class 1500 LB and equipped with RTJ flanged ends for secure, reliable sealing in critical pipeline systems. Its trunnion-mounted ball design ensures low operating torque, enhanced sealing integrity, and long service life under demanding conditions. As a leading DBB Trunnion Ball Valves Factory in China, we deliver precision-engineered solutions tailored to stringent industrial requirements.