UPA 250 / UPA S 250 Submersible borehole pump

Submersible borehole pump UPA 250 / 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.
See all documents and downloads

Main Applications

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

Technical Data

Max. flow rate
310 m3/h
Max. head
480 m
Max. allowed working pressure
60 bar
Max. allowed fluid temperature
60 °C

Your KSB contact: We're here to support you

Do you need any assistance finding the right material number?
We’ll soon provide a list so you can directly place your purchase order.
Meanwhile please contact our support:

Tel: +41 43 210 99 33

Your KSB contact : We’re here to support you


  • High efficiencies through optimised hydraulic design
  • High operating reliability and a long service life by integrated sand separator, robust wear rings and enclosed pump bearings
  • Reliable operation by anti-jam lift check valve

Technical Data

Connection type
Internal-thread connection,
Drive concept
With electric actuator
Max. flow rate
310 m3/h
Min. flow rate
70 m3/h
Max. head
480 m
Min. head
5 m
Mains frequency
60 Hz
Mains voltage
230 V,
380 V,
400 V,
415 V,
460 V,
500 V,
690 V,
1000 V
Casing material
Nominal pressure
PN 63
Max. allowed working pressure
60 bar
Suction behaviour
Max. allowed fluid temperature
60 °C
Min. allowed fluid temperature
0 °C

Sectional Drawings