Duraseal DBB Plug Valve

Flowlink Valves & Controls supplies the DuraSeal™ Double Block & Bleed Plug Valve, a reliable solution for critical isolation applications. This valve features a mechanically seated, non-lubricated design that provides a proven bubble-tight seal. Available in both reduced and full-bore options, the DuraSeal™ utilizes industry-tested technology alongside innovative features to ensure consistent double block and bleed (DBB) performance. Our valve meets various standards, including API 6D, API 6FA for fire safety, and ISO 9001 for quality assurance. Supported by our expert technical and sales teams, Flowlink is dedicated to meeting your project needs with top-quality products.

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Technical Specification

Specifications

Size Range 2in – 36in
Pressure Rating Class 150 – Class 900
Elastomer Seals Viton GF, Viton GFLT, Viton ETP, Kalrez
Body Materials A216 WCB, A216 WCC, A352 LCC
Stem/Plug Material A216 WCB, A216 WCC, A350 LF2, A352 LCC, all with 2-3 mils of ENP
Temperature Rating -20F to 400F (Standard Temp) -50F to 400F (for low temp)
Certification: Standard: API 6D, API 6FA
By Request: PED, ISO 15848-1
Operation: Manual, Electric, Hydraulic
Other Models

12” 150#

3″ 150#

20” 300#

18” 300#

Applications

  • Biofuels Product Isolation
  • Multi-Product Manifolds
  • Tank Farms (Oil Depots)
  • Prover Loops
  • Custody Transfer Units
  • Aviation Fueling Systems
  • Offshore Platforms
  • Blending Units

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