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Single Spring Elastomer
Bellows Seal 

Common PS numbers available


Features &


  • Designed for shorter operating lengths than A1

  • Bellows design helps compensate for face wear

  • Bi-directional

  • Torque of pump shaft drives through drive band and notches

  • Rugged single spring

  • Multiple face and elastomer choices

Standard Materials of Construction


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


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


  • 304, 316, Monel

Operating Limits

  • Pressure: to 150 PSI.

  • Temperature: -40°F to +400°F.

*All industry standard “PS” numbers are available. Just provide us with the “PS” number required or one used on previous orders.

A2 drawing
A2 dimensions
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