Tri State Hydraulics

Series 6080

The FSI 6080 is a dual cartridge rotary metal bellows seal. The dual seals are double balanced to provide both pressurized and non-pressurized seal operation.


  • Incorporates radial flow pumping ring for positive circulation All 0-rings are static; no dynamic 0-rings
  • Two piece gland allows for economical bi-metal construction Centralized face loading ensures even face loading (flatness) throughout all temperature and pressure ranges
  • Available in all ANSI pump sizes for both standard bore and over size stuffing box configurations



  • 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”. Available in both inch and metric sizes.

As always, consult your FSI representative for applications which approach or exceed these parameters.

Download PDF:  Mechanical Seals Series 6080

FILTERS & SEALS FLUID SEALING INT'L Mechanical Seals Refining & Petrochemical Seals Series 6080