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High-Head Deep Well Pumps: 175QJ and 200QJ up to 450 m — Deep Well Pumps
Deep Well Pumps

High-Head Deep Well Pumps: 175QJ and 200QJ up to 450 m

Model: 175QJ, 200QJ series

For deep water and big lifts, the 175QJ and 200QJ series reach 247 m and 450 m of head, with motors up to 45 kW. What to plan for.

Specifications
Flow Rate10 to 50 m³/h
HeadUp to 450 m
Power3 to 45 kW
Inlet / Outlet DiameterPump diameter 169 mm (175QJ) and 182 mm (200QJ); outlet 50 to 80 mm
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Product Overview

The largest QJ sizes are for wells of 175 mm and 200 mm. They carry more flow per stage, so they reach large heads with a practical number of stages. The top of the range is the 200QJ20-450/34: 20 m³/h to 450 m with a 45 kW motor.

SeriesPump diameterFlow sizes (m³/h)Highest head
175QJ169 mm10, 20, 32, 40, 50247 m (175QJ20-247/19)
200QJ182 mm20, 32, 40, 50450 m (200QJ20-450/34)

What a 450 m pump needs around it

  • A heavy cable. The 45 kW models need cables of up to 3×50 mm², and the current is close to 97 A
  • A reduced-voltage starter, since motors above 15 kW should not be started direct on line
  • Riser pipe and joints rated for the pressure at the bottom of the column, which is at least the full head of the pump
  • A strong lifting set and clamps, because the pump, the water-filled pipe and the cable are heavy

If your head is between two models, choose the one just above, and send us the dynamic water level and the delivery height so we can check the duty point.

Typical Applications

  • very deep wells
  • mountain water supply
  • long high-lift pipelines

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