Technical Specifications of DBB BALL VALVES

Double block and bleed ball valve Body Material: Forging is selected. It has excellent mechanical properties, high strength and good toughness, can withstand high pressure, ensuring the reliability and stability of the valve body, preventing deformation and rupture.

Double block and bleed ball valve Ball Material: Usually 304, 316 and other stainless steels are used, which have good corrosion resistance, can adapt to different corrosive media, and can still be accurately operated and have good sealing performance after long-term use.

Sealing Performance: Advanced soft sealing or hard sealing techniques are employed. Soft sealing, such as rubber and polytetrafluoroethylene, has good sealing effect and low leakage rate, suitable for working conditions at normal temperature, normal pressure and with extremely high sealing requirements; hard sealing is in the form of metal-to-metal (such as cemented carbide), can withstand high temperature and high pressure, and can meet the requirements of oil and gas transmission.

Double block and bleed ball valve Connection Methods: Flange connection and welding connection are available. Flange connection is convenient for installation and removal, and is used in systems that require frequent maintenance and inspection; welding connection has stronger sealing performance and better integrity, and is used in long-distance pipelines and other occasions with extremely high sealing requirements.

Operation Modes: Manual, electric and pneumatic operations can be provided. Manual operation is simple and direct, suitable for small, simple systems or emergency standby; electric operation is precise and labor-saving, convenient for remote control, and is used in industrial production lines with a high degree of automation; pneumatic operation has a fast response speed, suitable for fast opening and closing occasions.