High Pressure Double Block and Bleed (DBB) Valve
Resistant
Sealing
Operation
Long Life
Alis Valves offers High Pressure Double Block and Bleed (DBB) Valves engineered for demanding applications where safety and reliability are critical. These valves provide two independent sealing barriers along with a bleed port to safely release trapped pressure. Built with robust materials and precision engineering, high-pressure DBB valves are widely used in oil & gas, offshore, and high-pressure processing systems.
Specifications
Size Range
DN 15 to DN 250
Body Material
Forged Carbon Steel / Alloy Steel / Stainless Steel
End Connection
Flanged / Butt Weld
Temperature Range
-46°C to 450°C (Depends on Material)
Media
Oil, Gas, Hydrocarbons, Chemicals
Pressure Rating
Class 600 to 2500
Seat Material
PTFE / PEEK / Metal Seated
Operation
Lever / Gear / Pneumatic / Electric
Standards
API 6D / ASME B16.34