SP Non-clogging self-priming sewage pump is our latest developed product, and is suitable for the treatment project of municipal sewage and industria sewage as well as stage treatment and concentrated treatment system of various sewages, it’s know as”king of self-priming sewage pump”, and it is the most ideal new-generation sewage product.

  • Stable performance, reliable operation
  • Rapid self priming, high suction head
  • Bck-pull-out construction : Convenient for maintenance and troublesshoosting. Daily maintenance can be performed rapidly by common tools, saving time and labor
  • Semi-open impeller structure and non-clogging design : Strong passing capacity. Diameter of maximum passing grain for SP -6 IS 76 mm
  • Convenient usage : The pump can be mounted near cesspit, with only the suctionpipe down in the liquid (the pump shall be filled with water for firs start).

Definition of model

SP : Self-priming sewage pump
4 : Inlet and outlet 4″ (ɸ)


  • Non-Flammable and non-explosive liquid
  • Rain water and common sewage
  • Municipal drainage project, construction site, drainage station of people’s air defense system
  • Industrial sewage of light industry, paper mill, textile, food processing plant, chemical industry, electric utility mines, etc.
  • Sewage discharge in the residential area
  • Sewage and deposit of water purifying system
  • Tanning industry, sewage of slaughter house, fish breeding in the river and pond
  • Wine and sugar industry
  • Dicharge not strongly corrosive but seriously polluted sewage

Operating limits

  • Liquid temperature : 0°C – 4°C, medium density ≤1.2 x 10kg/m3, PH5-9
  • Volume ration of solids in the medium ≤2%
  • Diameter of maximum grain : SP-2 38mm, SP-3 63mm, SP-4/SP-6 76 mm
  • Ambient temperature ≤40 °C
  • Altitude : Max 1.000m

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