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Single Spring Elastomer
Bellows Seal 

Features &


  • Full convolution rubber bellows gives maximum flexibility in compensating for shaft movement

  • Coil spring gives consistent face loading

  • Seal face torsional movement is restricted by anti-rotation, dent and groove

  • Pre-assembled for easy installation

  • Common to many commercial and domestic pumps


  • Carbon Graphite (Resin Impregnated), Phenolic
    Carbon, Silicon Carbide


  • Buna, Viton®, Neoprene, EPDM


  • 304, 316

  • Pressure: to 75 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.

A6A drawing
A6A dimensions

Standard Materials of Construction

Operating Limits

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