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Unbalanced / Balanced Double Seal Super Style(For Top Entry Glass Lined Agitator & Vessels) Agitator Seal 50 Series (5411/5412)

Face Materials

  • Carbon
  • Silicon Carbide
  • Ceramic

Secondary Seal

  • ‘O’ Ring (Viton, EPR, Buna N)
  • Wedge & Packing (PTFE GFT)

Metal Parts

  • SS 316
  • SS 304
  • Carbon Steel
  • Hastelloy-C


  • All Acids Except HF
  • Alkalis up to 100°C

Seal Features

  • Multi Spring
  • Double Seal Back to Back
  • Unbalanced / Balanced
  • Independent of direction of rotation
  • Operated with Pressurized Barrier Fluid
  • Jacketed Arrangement

Performance Limits

  • Size – 1” to 8”
  • Pressure – upto 8 Kg/cm2
  • Temperature - Amb to +120°C
  • Barrier Fluid Pressure = Vessel Pressure + 1.5 Kg

5411/5412 seal are Cartridge units for Glass Lined agitators and reaction vessels. The heavy duty construction of the 50 series Provides long seal life and excellent repairability. The design incorporates bearing located very close to seal. The design specifically is engineered to accommodate the run-out conditions, upto 0.5 mm, large clearance between rotation shaft /Sleeve and mating ring permits higher deflection of the shaft

For higher Temperature application, the Seal assembly has got jacketed chamber to circulate chilled water to bring down the temperature. Also normally chilled / plain water is passed through the cooling coil of Thermosiphon to bring down the temperature of compatible barrier fluid circulated in seal housing to maintain the continuous cooling.