MODULAR Double Block & Bleed Valves
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.
Technical Details
- 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
- 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
- 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.
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Frequently Asked Questions
What is a Double Block and Bleed valve?
A Double Block and Bleed (DBB) valve provides dual isolation and a bleed/vent function in a single valve body, reducing leak paths and space compared with a traditional multi-valve manifold arrangement.
What is the difference between Integral, Compact and Modular DBB valves?
Integral DBB valves use a single-piece forging with a needle valve mounted between two balls for instrumentation isolation and sampling (½" to 4"). Compact DBB valves match the face-to-face dimension of a single ball valve for easy retrofit into existing pipelines (2" to 36"). Modular DBB valves combine two independent balls with a needle, ball or DBB bleed valve and cover both instrumentation (½" to 3") and pipeline (1" to 36") duty.
What size and pressure range do Vimec DBB valves cover?
From ½" to 36" depending on configuration, at ratings from ANSI 150# up to API 10,000, in soft-seated or metal-seated trim.
Are Vimec DBB valves fire safe?
Yes — all three DBB ranges are designed and tested to API 607, API 6FA and ISO 10497 fire-safe requirements.
Where are Vimec valves manufactured?
Entirely designed, engineered and manufactured at our facility in Bolgare, Bergamo, Italy.
What quality certifications does Vimec hold?
ISO 9001:2015, PED Directive 2014/68/EU, API 6D, Fire Safe, Fugitive Emission ISO 15848-1, ATEX and ACHILLES.
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