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HG Ring-section pump

Ring-section pumpHG

Horizontal radially split ring-section pump with radial impellers, single-entry or double-entry, multistage.
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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. flow rate1440 m³/h
  • Max. head4200 m
  • Max. allowed working pressure420 bar
  • Max. allowed fluid temperature200 °C

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Benefits

  • 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

Documents

Title
Format
Size
Last change
4HGS / 4HGSC / 4HGSL / 4HGSCL (1974.87_EN)PDF1.919/13/2022