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Single Spring Mechanical Seal 80 Series (8221,8221CR)

Face Materials

    Shrink Fit Seal Ring
  • Carbon
  • Tungsten Carbide
  • Silicon Carbide
  • Ceramic

Secondary Seal

  • ‘U’ Packing & Square Packing PTFE, GFT


Metal Parts

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

Application

  • Chemicals
  • Petrochemicals
  • Oil Refineries
  • Waste Water
  • Suspended Solid Slurry
  • Mild Corrosive & Slurry Services


Seal Features

  • Single Spring
  • Single Seal
  • Unbalanced
  • Inside Mounted
  • Single direction of rotation

Performance Limits

  • Size – 0.5” to 4”
  • Pressure – upto 8 kg/cm2
  • Temperature - 40°C to +150°C

These seals can be reliably used in situations involving abrasive, corrosive and viscous fluids.

8221 Type seal are engineered for non-clogging and self cleaning performance especially. when handling contaminated liquids.

The superior design of these seals helps to handle the considerable axial play of shafts during operation.

Designed parts are interchangeable. You can convert from an unbalanced seal to a balanced seal by changing only the seal ring.