Centrifugal Pump CNP SP2

Centrifugal Pump CNP SP2 suitable for the treatment project of municipal sewage and industrial sewage as well as stage treatment and concentrated treatment system of various sewages


  • Stable performance, reliable operation;
  • Rapid self-priming, high suction head;
  • Back-pull-out construction: Convenient for maintenance and troubleshooting. Daily maintenance can be performed rapidly by common head 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 76mm ;
  • Convenient usage: The pump can be mounted high and dry at floor level, with only the suction line down in the liquid.(the pump shall be filled with water for first start).
Centrifugal Pump CNP SP2


  • 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, deep 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;
  • Discharge not having strong corrosiveness but seriously polluted.

Operating Limits :

  • Liquid temperature : 0 deg. C ~ 40 deg. C, medium density ≤1,2 x 10³kg/m³, pH 5~9
  • Volume ratio of solids in the medium ≤2%
  • Diameter of maximum grain : 38mm
  • Ambient temperature : ≤40 deg. C
  • Altitude : Max. 1,000 m
  • Flow range : 10 m³/h – 750 m³/h
  • Head range : 3m ~ 38m
  • Power : 1,1 kW ~ 90 kW

TECHNICAL DATA Centrifugal Pump CNP SP2 Inlet and Outlet 2 Inch 50 mm:

RPM CapacityHeadMotorMax. Suction
Head (m)
115015 m3/h 4.2 l/s4.0 m1.1 kW 1.5 hp5.0 m
145020 m3/h 5.6 l/s6.5 m1.5 kW 2 hp6.5 m
175025 m3/h 6.9 l/s9.5 m3 kW 4 hp6.5 m
205028 m3/h 7.8 l/s13.5 m4 kW 5.5 hp6.5 m
235032 m3/h 8.9 l/s18.0 m7.5 kW 10 hp6.5 m
265035 m3/h 9.7 l/s23.0 m7.5 kW 10 hp6.5 m
290040 m3/h 11.1 l/s27.0 m9.2 kW 12.5 hp6.5 m

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