Engineered Seals - Custom PTFE Engineered Seals

Custom PTFE Engineered Seals

Engineered SealsSpring-energized PTFE Engineered Seal Applications

  • Spring energized seals replace conventional elastomeric seals where the service conditions are beyond their operating capabilities.
  • Special materials for wide applications
  • Uniquely designed for your specific application
  • Multiple spring configuration
  • Multiple component seals
  • Wide range of sizes
  • Self-lubricating and can be used in dry environments
  • Wide operating temperature range from -450°F to 600°F (-268°C to 315°C)
  • Pressure conditions from high vacuum to high pressure (50,000 psi)*
  • Excellent chemical compatibility
  • Designed, engineered and machined to fit
  • The spring enhances performance by :
    • Allowing for tolerance variation and run-out
    • Overcoming thermal expansion/contraction
    • Compensating for wear to increase the useful life of the seal.

Engineered Seals
PTFE Encapsulated Seal
for FDA Service

What are Duruseal® Spring-energized Engineered seals?

Duruseals® are composed of a Duron® seal jacket and an energizer. We offer a wide range of Duron® and energizer materials, as well as configurations to satisfy your conditions and parameters. For a complete proposal, submit a request for quote and we will respond, immediately.     

Contact our technical sales staff today to discuss your application's operating, hardware, and commercial conditions to develop the best performing seal solution.

 *Pressure capability is based on operating temperature. Consult PSI engineering to get a recommendation or seal back-up chart.

Request A Quote Online Or Call Us At 866.429.2536