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Single Spring Rubber
Shaft Seal


ES100 drawing
ES100 Dimensions

Features &


  • The world’s most common seal for metric shafts

  • Very economical seal alternative

  • Compact rugged design

  • Seal faces are driven via the spring

  • No torsional stress on the bellows

  • Seal faces are encapsulated and protected in rubber bellows

  • Large rubber cross sections and “surface grab” minimize tears and enhances seal life

  • Faces match with several common seat designs

  • Three common operating lengths for each shaft size

  • Operates independently of shaft rotation

  • Excellent in fluids with high solid content

Standard Materials of Construction


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


  • Buna, Viton®, Neoprene, EPDM,


  • 304, 316, Monel,

Operating Limits

  • Pressure: to 225 PSI / 15 BAR

  • Temperature: -40°F to +300°F / -40°C to +150°C

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