Multi Spring Reverse Pressure Balanced Seal MSRPB 50 Series is a multiple spring externally mounted reverse balanced seal with O ring as elastomer. Various seal face materials and elastomers can be offered for wide service application. This seal can also be used for corrosive services as the metallic components do not come in contact with liquid to be sealed. This seal can also be installed in double back to back arrangement as an internal seal. Even if barrier fluid pressure goes down this seal will not allow process fluid to mix with barrier fluid.

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Applications:

Corrosive Chemicals, Hydrocarbons, General & Light Chemicals.

Seal Components/Face:
  • Carbon / Ceramic
  • Carbon / Silicon Carbide
  • Silicon Carbide / Silicon Carbide
  • Tungsten Carbide / Tungsten Carbide
  • Secondary Seal : Elastomers, TCV
  • Metal Parts: SS 304, SS 316, Hastelloy-C, Monel, Alloy-20
Seal Characteristics:
  • Single Acting
  • Reverse Balanced
  • Outside Mounted
  • Independent of Direction of Rotation
Operating Parameters
Shaft Dia 20 to 100 mm / 0.750 to 2.500 Inch
Pressure 25 Bars (max))
Temperature -45 to +180°C
Velocity Up to 20 m/sec
Diagram