Wabtec Elastomers

Diesel Engine Gaskets, Seals & Accessories

Swellex Gasket Material

Swellex Gasket MaterialSwellex™ is a Durox proprietary controlled swell compressed sheet gasket material that creates its own load when it comes into contact with oil or water. This controlled swell provides superior conformation to irregular surfaces created by worn flange surfaces. Because the material does not degrade in contact with oil or water, it is an ideal gasket material for wide-ranging applications.




  • The unique blend of synthetic fibers with custom blend rubber binders creates comprehensive load in light weight flanges in oil and water
  • The load created by proprietary controlled swell provides and retains superior torque retention
  • More compressible than standard fiber gaskets and seals with lower flange loading
  • Because its crush strength is many times higher than a rubber gasket, it provides excellent sealing in applications that would crush traditional rubber seals
  • The compressed material will not wick or weep system fluids which leads to superior machinery performance and improved plant safety


  • Reduce Inventory: The variety of elastomers in the blend excel in a wide range of services and replace those products that only swell in oil
  • Minimize Costs & Maintenance Time: Swellex™ seals worn surfaces on flanges that would traditionally be replaced more frequently
  • Quicker Installation Time: Eliminates the need to use additional sealants to gasket or flange surfaces
  • Reduce Labor & Overtime: The flange free release coating on the gasket insures fast and easy removal of the product

Ideal For:

  • Compressors
  • Pumps
  • Gear Boxes
  • Transformers
  • Access Covers
  • Generators
  • Fuel Pumps
  • Cast Water Flanges
  • Sight Glasses
  • Handhole / Manhole
  • Lube Oil Systems


ISO9001 2008