MODULAR - DOUBLE BLOCK & BLEED VALVES (DBB)
Vimec Valves Modular Double Block & Bleed Ball Valves are equipped with a drain needle, ball or DBB valve mounted between the two balls, this permits to drain the valve and reset the pressure to zero.
The main characteristics of this design is double isolation with two independent balls in one valve body, guaranteeing positive shut off with maximum safety with DIB-1, DIB-2 features.
Design Features
- Size Range : ½” to 3” for Instrumentation / 1” to 36” for Pipeline Valves
- Rating : 150# to 2500#, API 3000 to API 10,000
- Ends : Flanged RF, RTJ, BW, Hub End Connections
- Full Bore / Reduced Bore
- Soft seated & metal seated
- Antistatic and anti blow out stemdesign
- Lip seal design
- Spring loaded seats
- DIB-1, DIB-2
- Low emission design
- Sealant injection upon request
- Cryogenic application upon request
- Operation: Lever, Gear, Pneumatic or Electrical Actuator
Design Standards
- Designs to ANSI B16.34, API 6D, API 6A, API 608
- Face to face to ANSI B16.10
- Flanges to ANSI B16.5, B16.47
- Top flange to ISO 5211
- Material according to NACE MR-0175
- Testing to API 598, API 6D
- Fire safe API 607, API 6FA, ISO 10497
Materials
Carbon Steel, Stainless Steel, Low Temp, Alloy & Duplex Steel
Special testing such as HP Gas Test, IGC, HIC, Fugitive Emission ISO 15848
Part 1 & 2 and also special painting is offered upon request.
