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Metal Submersible Pump Max Flow 21m3/hr
Metal Submersible Pump Max Flow 21m3/hr

Metal Submersible Pump Max Flow 21m3/hr

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Part Number
METAL 251-4

OFT Pumps    


   5" Submersible Well Pumps - High Flow
Max Flow 21 m3/hr    Max Head 130m


Pressure boosting in domestic systems, pressurization in systems from primary water supply reservoirs, wells and tanks, lawn and garden rain irrigation.

Performance Tables


  • Multistage monobloc electric submersible pump with the hydraulic part located under the electric motor which is cooled by the pumped liquid.
  • Single-phase version with capacitor connected inside the pump.
  • The pump is equipped with 20 m of H07RN-F electric cable.
  • Single-phase version with float switch available on request.
  • External pump case, motor case, shaft, impellers and diffusers in stainless steeel.
  • Threaded delivery port 1” 1/2 from kW 1,1 up to 2,2Flanged delivery port PN25 DN 32 from kW 3 up to kW 5,5
  • The electric pump is equipped with a filter that must be always free from sediments and it does not allow the pumping of liquids with solids particles larger than 1 mm.
  • On request, version for the pumping of liquids at higher temperatures.


  • 2 poles asynchronous motor, 50 Hz, 2850 rpm.
  • Class F insulation.
  • IP68 protection.
  • Working voltage: single-phase 230 V, three-phase 400 V.
  • Electric motor cooled by non-toxic, non-polluting liquid.

Operating Conditions

  • Pumped liquid: clean water, non aggressive, without solid particles.
  • The pump can not operate in dry conditions.
  • Pump body always completely submerged.
  • Temperature of pumped liquid: min 5°C – max 30°C.
  • Vertical operating position.
  • Sump protected against freezing.
  • Max immersion depth: 40 m.
  • Max number of starts per hour: 20.



Performance Curves

Dimensions and Weights

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