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Double Block and Bleed
Double Block and Bleed Ball Valves are aimed to get get a double barrier on the piping, and bleed the fluid trapped between the two balls from a dedicated drain line.
Feature
- Forging Body
- Trunnion or Floating type
- anti blow-out stem and typically SPE seat design.
- Drain port is normally provided with a floating ball valve
- Locking device
- Emergency stem seal injection;
- Emergency seats sealant injection;
- Weld overlay (316 or Inconel 625) on dynamic sealing areas or in all wetted parts
Product Range :
Size: NPS 2"-40" , DN50-1000
Pressure: Class 150-1500 LB , PN 10 ~ 250
END Connection: Flange , BW
Design Standard: API 6D , ASME B 16.34
Face to Face Dimension : Manufacturing’s Standard
Connection Dimensions: ASME B 16.5 , ASME B 16.47 , ASME B 16.25
Body Material: Forged Carbon Steel , Forged Stainless Steel
Operated Way: Lever, Gear, Pneumatic, Electric, etc
BEIDE is your trusted source for the high quality and durable double block and bleed made in China. As one of the leading and experienced valve manufacturers and suppliers in China, we are equipped with a professional factory at your service.