Submersible borehole pump M70-251-4, 380V

Pump application: Pumping of leached liquid. Features: Multistage monoblock electric submersible pumps with a hydraulic part located under the electric motor cooled by the pumped liquid. Electric pumps are available with a 5 m ID 4G1.5 electrical cable included. External pump housing, motor housing, shaft, impellers and stainless steel diffusers. Viton seal. Threaded discharge hole 1 "1/2 from 1.5 kW to 3 kW. Flange discharge pipe PN25 DN32 UNI 6083/67 with a capacity of 4 to 5.5 kW. The pumps are equipped with a filter that should not contain deposits and does not allow the pumping of liquids with solid particles larger than 1 mm. Motor: 2-pole asynchronous motor, 50 Hz, 2850 rpm. Class F insulation. IP68 protection. Operating voltage: single-phase 220V, three-phase 380V. The electric motor is cooled with a non-toxic, non-polluting liquid. Operating conditions: the pump cannot operate in dry conditions. The pump housing is immersed in water at half its height. Temperature of the pumped liquid: minimum 0 ° C-maximum 70 ° C. Non-freezing place. Vertical working position (special version for inclined working position on request). Maximum immersion depth: 120 m. Maximum number of launches per hour: 20. Accessories: control panel, level regulator, BE electronic level sensor, top filter 170, also available with inclined riser for inclined wells, round cable ID 4G1, 5.