gas-oil-mechanical-seals-series-6090The type 6090 seal is a heat treated high temperature rotating metal bellows design. It is available as either a component seal or a cartridge mounted assembly. It has the same inherent features as our other metal bellows seals.


  • AM 350 SS or Inconel 718 bellows
  • Graphoil secondary seals for high temperature service
  • Flush, quench, and drain gland available with carbon or bronze restriction bushing
  • Available steam purge bushing for hot hydrocarbons services
  • Face materials of carbon, silicon carbide, and tungsten carbide.


  • Temperatures: 0°F to 750°F* (-20 C to 380 C)
  • Pressures: Up to 300 psi* (20 Bar)
  • Shaft Speeds: Up to 3600 RPM*


  • Metal Components:  AM350 SS, nconel 718 as Standard
  • Seal Face Materials:  Carbon, Silicon Carbide, Tungsten Carbide
  • Elastomers: Fluoroelastomer, Perfluoroelastomer, Aflas, EPR/EPDM as standard o-ring materials. All other commercially available elastomers as specified.  Type 6090 utilizes Graphoil secondary seals for high temperature applications.
  • Sizes:  Up to 5.00