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Single Spring Elastomer
Bellows Seal 

A1

Features &

Benefits

  • 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

Faces:

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

Elastomers:

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

Metallurgy:

  • 304, 316, Monel

Operating Limits

  • Pressure: to 200psi 13.8 Bar

  • Temperature: -40°F to +400°F.

*All industry standard “PS” numbers and seat styles are available.
Machined Head A1 available.
A1B Balanced seals available for high pressure
applications.

A1 Drawing
A1 dimensions
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