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Multi-Spring Component Seal
 O-Ring Design


A8T drawing
A8T dimensions

Note: 1.375S has a shorter operating length to match a traditional Type 8

Features &


  • Compact narrow cross section design

  • Multiple Springs assures accurate face loading

  • Flexible design compensates for shaft misalignment

  • Variety of metals and O rings allow for broad base of applications

  • All components are held together by a snap ring in a unitized construction design

  • Type A8T seals are available in a wide variety of elastomers for handling most industrial fluids

  • Field repairable

Standard Materials of Construction


  • Carbon Graphite (Resin Impregnated),
    Antimony-Impregnated Carbon, Silicon Carbide, Tungsten Carbide


  • Buna, Viton®, Aflas®, Neoprene, EPDM, Kalrez

  • Any standard rubber O ring can be utilized


  • 304, 316, Monel, Hastelloy C. Alloy 20

Operating Limits

  • Pressure: 200 psi 13.8 Bar

  • Temperature: -40°C to 260°C / -40°F to 500°F (depending on materials used)

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