About Triangle Fluid Controls Ltd.



Triangle Fluid Controls Ltd., based in Belleville, Ontario, Canada, is a market-driven and technology based company serving customers throughout the world with innovative fluid sealing and pump protection products. TFC serves a wide range of end-user customers whose success depends on the reliable performance of their equipment and piping systems.

About Durlon® Gasket Materials

Durlon® Sealing Products: Safe, Reliable, Versatile

  • Widest possible range of service applications—number of different types of gaskets to be inventoried can be greatly reduced
  • Boost to process safety—limiting the number of gasket styles reduces the chance of installing the wrong gasket in the wrong service
  • Unvarying performance on the job—gasket materials are manufactured to ISO 9001:2015 quality standards and are subjected to continuous testing and rigid quality control

Across the globe, original equipment manufacturers and industrial consumers are specifying Durlon® gasket materials for their needs. Our state-of-the-art research and development facility is geared to meet the ever-changing demands required in today’s variety of service conditions.

About DFT® Check Valves

Serious performance, Superior reliability

DFT®‘s silent check valves are known around the world as the valve to use for preventing or eliminating Water Hammer problems.

Benefits of DFT® check valves:

  • Can Be Installed In Any Position
  • Steel In-Line Spring-Assisted Center Guided Check Valves Standard
  • Meets Or Exceeds MSS SP-61 Leakage Requirements
  • Available With Soft Seats For Bubble-Tight Shutoff
  • Dual Guided Stem
  • Custom Sizing Available
  • Liquids, Gas Or Steam
  • Maintenance And Installation Guides Available