Grundfos Pump Seals


LPS-261 series is developed & equivalent to an original Grundfos seal. This seal is designed with single spring & o-ring with cartridge arrangement. These seals has threaded hex head which is easy to install in Grundfos make CR, CRN, and CRI series pumps, this seal are comfortable to used in wide range of application.

Material of Construction:

Seal Faces: (Dynamic & Stationary Ring)

Carbon, Silicon Carbide, Tungsten Carbide & which are suitable for fluid

Secondary Seal:

Viton, EPDM, NBR

Hardware & Spring:

SS316 , SS304


  • Grundfos Pumps

Seal Characteristics:

  • Single acting
  • Cartridge Unit
  • Unbalanced
  • Easy to install

Operating Parameter:

  • Shaft diameter : 12 MM, 16 MM, 22 MM
  • Pressure : ≤2.5MPa
  • Temperature : -30C to +200C
  • Shaft Speed : ≤25m/s

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