Multi Spring Unbalanced/Balanced Mechanical Seals ( Close Type )

LPS-091-U/LPS-095-U & LPS-093-B/LPS-98-B

LPS-091-U/LPS-095-U & LPS-093-B/LPS-98-B series are multiple springs unbalanced/balanced Mechanical Seal developed for universal applications. It is independent of direction of rotation, torque transmission from retainer shell to dynamic ring is done through drive lugs, their compact design permits their used in all types of centrifugal pumps and all components are held together by a snap ring which helps in easier installation & removal. As all parts are interchangeable, one can convert this series LPS-091-U/LPS-093B to LPS-095-U/LPS-98-B by changing only the dynamic ring & the secondary seal, this principle is Ideal for stock rationalisation, this seals are comfortable to use in wide range of application as below:

Material of Construction:

Seal Faces: (Dynamic & Stationary Ring)

Carbon, Ceramic (99.5%), Silicon Carbide, Tungsten Carbide & which are suitable for fluid

Secondary Seal:

LPS-091-U: Viton, EPDM, Silicon, Aflas, EPR, Kalrez, TCV

LPS-095-U: GFT, PTFE, FEP, Grafoil

Hardware & Spring:

SS 316, SS 304, Hastelloy – C, Monel, Alloy -20

Application:

  • Petrochemicals
  • Light hydrocarbons
  • Petroleum refineries
  • General chemicals

Seal Characteristics:

  • Unbalanced/Balanced
  • Single acting
  • Inside mounted
  • Independent of direction of rotation

Operating Parameter:

  • Shaft diameter : 19 mm to 100 mm (0.75” to 4.0”)
  • Pressure : Up to 10 bar (kg/cm²)
  • Temperature : -60°C to 260°C
  • Shaft Speed : Up to 3000 RPM

 

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