Grinder Pumps (LGP Series)

Grinder Pumps (LGP Series)

Product Details:

  • Product Type Grinder Pump
  • Flow Rate up to 19 m/h
  • Color Black
  • Material Cast Iron
  • Usage Water Well
  • Application Submersible
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Grinder Pumps (LGP Series) Product Specifications

  • Black
  • up to 19 m/h
  • Grinder Pump
  • Water Well
  • Cast Iron
  • Submersible

Product Description

Grinder Pumps (LGP Series) is a type of wastewater pump used in residential and commercial applications to pump sewage from buildings to municipal sewer systems or septic tanks. Unlike traditional sewage pumps, grinder pumps have a cutting mechanism that shreds solid waste into smaller particles before pumping it through pipes. This design allows grinder pumps to handle larger solids and reduce the risk of clogging in the sewer lines.

Grinder pumps are typically installed in areas where gravity flow is not sufficient to move sewage to the main sewer line or septic tank, such as in low-lying areas or buildings located below street level. They are often used in homes, apartment buildings, businesses, and other structures where traditional sewage systems are not feasible.

One common application of grinder pumps is in residential basement bathrooms or remote bathrooms where it's impractical to install conventional sewage piping. The grinder pump grinds up waste from toilets, sinks, showers, and other fixtures, and then pumps it through small-diameter pipes to the main sewer line or septic tank.

Maintenance of grinder pumps usually involves periodic inspection and cleaning to prevent clogs and ensure proper functioning. Grinding components may need replacement over time due to wear and tear. Proper usage, regular maintenance, and appropriate sizing of the pump are essential for maximizing its lifespan and efficiency.

Variety & Range

  • Flow range: up to 19 m3/h
  • Head range: up to 32 metres
  • Rating: 1.5 kW & 3.7 kW
  • Rated speed: 2900 rpm


  • The pump volute shall be of cast Iron of grade FG260 as per IS210/ISO 186 standard with vertical discharge port, grinder type vortex impeller with material of construction cast iron, suitable for pumping liquid up to 50 degree centigrade.
  • The pumps shall be supplied with in built radial cutter and cutter ring made of corrosion resistant material AISI 440 with hardness of 55-60 Rc.
  • The Pump shall be supplied with double mechanical shaft seal with material of construction of SiC /SiC/Viton/S.S 316 at the pump end.
  • The pump shall be close coupled with dry submersible motor, having class F insulation, IP 68 protection, 2900 rpm, epoxy sealed cable entry, with S1 duty for fully submerged and S3 duty for partially submerged application.
  • All cast iron parts shall be CED (cathode electrode deposition) coated for corrosion resistance with uniform coating and controlled deposition thickness of 20-30 microns.


  • The pump shall be designed for waste water containing solids and fibers from kitchens and toilets usually found in commercial buildings.
  • Used in pressure sewage system.
  • Drainage of waste water from individual residences, apartment, buildings, recreational developments, motels.
  • Transferring waste water of commercial buildings, industrial plants, waste water sampling, small hospitals.
  • Schools, federal, state and local parks waste water drainage.
  • To transfer various waste water and sewage.
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