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HG Ring-section pump
Ring-section pump


Horizontal radially split ring-section pump with radial impellers, single-entry or double-entry, multistage.

Main Applications

  • Feed water in power stations
  • Boiler feed applications
  • Condensate transport
  • Pressurised water generation for presses, bark peeling systems, descaling systems and snow-making systems

Technical Data

  • Max. head4200 m
  • Min. head140 m
  • Max. allowed working pressure420 bar
  • Max. allowed fluid temperature200 °C

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  • High operating reliability by axial thrust balancing via balance disc and adaptation of pump casing to rotor deflection line
  • Extraction of a partial flow or several partial flows of feed water for use elsewhere in the power station
  • Maintenance-friendly design with easy-to-replace wear parts (bearings, sealing elements, balancing devices) and metal-to-metal sealing of casing

Technical Data

  • FunctionPump
  • Connection typeFlange
  • Drive conceptWith electric actuator, Turbine
  • Max. flow rate1440 m3/h
  • Min. flow rate7.2 m3/h
  • Max. head4200 m
  • Min. head140 m
  • Mains frequency50 Hz, 60 Hz
  • Mains voltage400 V, 460 V, 500 V, 690 V, 1000 V, 3000 V, 4160 V, 5000 V, 5500 V, 6000 V, 6600 V, 11000 V
  • Casing materialX12CR13+QT650
  • Nominal pressurePN 420
  • Max. allowed working pressure420 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature200 °C
  • Min. allowed fluid temperature0 °C

Characteristic curves