Who is Franklin Valve L.P.?

Franklin Valve is a privately held, financially stable company located in Houston Texas that manufactures the DuraSeal Double Block and Bleed Plug Valve and DuraSeal 4-Way Diverter Valve, both to order per customer specification. We place the highest value on product quality and customer service and are committed to positioning Franklin’s DuraSeal as the premier DBB valve on the market. Franklin Valve manufactures, repairs, and provides maintenance services on reduced and full bore DBB designs.

  • Reduced Port
  • 2-30” Class 150
  • 2-24” Class 300
  • 2-18” Class 600
  • 2-6” Class 900

  • Full Bore
  • 2-20” Class 150
  • 2-12” Class 300 and 600

Released in 2016 the Franklin DuraSeal 4-Way Diverter Valve incorporates proven performance features and characteristics: ASME B16.34, Multi-Turn Actuation, In-Line Maintenance, and Automatic Pressure Gauge.

  • 4-Way Stock offerings:
  • 4”, 12”, 16” Class 150
  • 2-12”, 16” Class 300
  • 3-10” Class 600

Bottom line is our service ability is what sets Franklin apart from General TwinSeal and other DBB manufacturers; same product, better service. The DuraSeal DBB plug valve meets the requirements under the ‘Buy American Act’; is API 6D monogrammed, API 6FA (firesafe), API 591 (destructive), API 622 (emissions), PED/CE certified in an ISO 9001 approved facility. Franklin Valve is globally distributed, represented and accepted with a number of high profile end users and Original Equipment Manufacturers. Franklin Valve is positioned for continued growth and market share expansion. Let us be a part of your strategic growth as well.


franklin valve