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Balanced Multi-Spring Component
Seal O-Ring Design


A8TB drawing

Features &


  • Seals for extreme temperature and chemical services

  • Compact narrow cross section design

  • Multiple Springs assures accurate face loading

  • Flexible design compensates for shaft misalignment

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

  • Setting clips standard

  • Easy installation and removal

  • Field Repairable

Standard Materials of Construction


  • 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: 580psi 40 Bar

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

A8TB dimensions
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