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UPA S 250 Submersible borehole pump
Submersible borehole pump

UPA S 250

Single-stage or multistage single-entry centrifugal pump in ring-section design for vertical or horizontal installation. Mixed flow hydraulic systems with impellers that can be turned down. Optionally available with lift check valve or connection branch. For well diameters of 10 inches and above.
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Main Applications

  • Water supply systems
  • Spray irrigation systems
  • Mining
  • General irrigation systems
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Technical Data

  • Max. head480 m
  • Min. head5 m
  • Max. allowed working pressure60 bar
  • Max. allowed fluid temperature60 °C

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  • High operating reliability and a long service life by integrated sand separator, robust wear rings and enclosed pump bearings
  • Optimised hydraulic design enables high efficiencies.
  • High flexibility by vertical, horizontal and angular installation options

Technical Data

  • FunctionPump
  • Connection typeInternal-thread connection, Flange
  • Drive conceptWith electric actuator
  • Max. flow rate310 m3/h
  • Min. flow rate70 m3/h
  • Max. head480 m
  • Min. head5 m
  • Mains frequency60 Hz
  • Mains voltage230 V, 380 V, 400 V, 415 V, 460 V, 500 V, 690 V, 1000 V
  • Casing materialX1NICRMOCU25-20-5, CUSN10-C, (EN-GJL-200) BASIC MATERIAL GROUP
  • Nominal pressurePN 63
  • Max. allowed working pressure60 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature60 °C
  • Min. allowed fluid temperature0 °C


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Publication UPA with UMA-S (3405.022_EN)PDF2.274/19/2021
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Brochure Petrochemical Industry (0542.03_EN)PDF1.34/19/2021
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Pump units with motors < 1kV (3400.86_EN)PDF10.938/13/2021
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UPA; 50 Hz (3400.5_EN)PDF31.984/19/2021