Franklin DuraSeal DBB Plug Valves

Franklin DuraSeal DBB (Double Block and Bleed) Plug Valves
With the DuraSeal™ you get the proven advantages of a valve that has been considered the standard of quality since 1951.

To improve the valve’s integrity, Franklin has incorporated a superior slip design and more durable body. To improve performance and longevity, there is a more reliable stem seal design.

The DuraSeal™ is available in reduced port and full bore options and is ISO 9001 and API Spec 6D certified, and API Spec 6FA fire safe.

  • 2 in. – 36 in.
  • ANSI Class 150, 300, 600, 900
  • Elastomer seal materials: Viton GF, Viton GFLT, Viton ETP, Kalrez®
  • Body materials: A216 WCB, A216 WCC, A352 LCC
  • Stem/Plug materials: A216 WCB, A216 WCC, A350 LF2, A352 LCC, all with 2-3 mils of ENP
  • Standard temperature ratings: -20°F to 400°F (-28.9°C to 204.4°C)
  • Low-temp ratings: -50°F to 400°F (-45.6°C to 204.4°C)
  • Manual & electric operation
  • Certified to API 6D, API 6FA, PED, ISO 15848-1 (optional)

Franklin DuraSeal DBB Plug Valves Brochure (PDF)