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Balanced Slurry Seal Mechanical Seal 90 Series (9902CR)

Face Materials

  • Carbon
  • Tungsten Carbide
  • Silicon Carbide

Secondary Seal

  • ‘O’ Ring (Viton, EPR, Buna N, Aflas, Kalrez)

Metal Parts

  • SS 316
  • SS 304
  • Alloy 20
  • Hastelloy-C
  • Titanium


  • Chemicals
  • Petrochemicals
  • Waste Water
  • Mining Industries
  • Pulp Sludge Slurry Abrasive Services

Seal Features

  • Multi Spring
  • Single Seal
  • Balanced
  • Inside Mounted
  • Independent of direction of rotation
  • Stable drive pin/lugs, no sleeve fretting

Performance Limits

  • Size – 0.5” to 4”
  • Pressure – upto 25 Kg/cm2
  • Temperature - -40°C to +200°C (Use Kalrez ‘O’ Ring for 250°C and above)

9902cr Cartridge Super Special Type seal is multi Spring balanced seal specially developed for slurry application. The Spring are isolated form the process fluid reducing stress corrosion.

This is a self balance seal so there is no need to maintain a step on sleeve.

There is no stcking or clogging of Spring, making the design rugged and reliable.

Spring Loaded Stationary with Cage.