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Single Rotating Multiple Spring
Component Seal


Features &


  • Multiple springs yield an even face load

  • Rugged monolithic seal face design

  • No fretting of shaft sleeves

  • Narrow cross section fits most industry pumps

  • Springs are out of the product

  • Dynamic O-ring moves to clean surfaces as it wears

  • Balanced seal design withstands higher pressures

Standard Materials of Construction


  • Rotary: Carbon (Resin), Antimony Impregnated Carbon, Tungsten Carbide, Silicon Carbide (Reaction Bonded & Sintered Alpha)

  • Stationary: Silicon Carbide (Reaction Bonded & Sintered Alpha), Tungsten Carbide


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


  • 316, Monel, Hastelloy-C®

Operating Limits

  • Pressure: to 300 PSI, 20 Bar

  • Temperature: -40°F to +400°F. -40°C to +205°C

CP8 drawing
CP8 dimensions
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