Double block and bleed ball valves which are Double isolation valves, are specifically developed to take full advantage of the positive sealing design.

Our double block and bleed valves offer the additional advantage of preventing pressurized media on both sides of the valve from leaking through the valve and becoming mixed.

Applications of DB&B

* Manifolds, Headers, Bypass valves, Water injection valves, Gas injection valves, Isolation valves to control valves
* Isolation of compressors, Emergency shutdown, Emergency Blow down, Vents and Drains.

ANYWHERE A RELIABLE BLOCK IS REQUIRED FOR DOWNSTREAM MAINTENANCE, ISOLATION, AND / OR A BLOWDOWN OF A PRESSURIZED LINE.

Specification :

* Multiple Configurations with Ball, Gate, Globe, Needle Options
* Full or Reduced Bore
* Manual Lever, Gear or Actuator Operated
* Special Seat Design Options - Self Relieving / Double Piston Effect
* Operating temperature and fluids suitability - further information on request
* Firesafe / Cryogenic / Gas Service certified options
* Modification service available for all stock options