HP

Range of application

  • pumping of feed water and condensate
  • refineries
  • water injection
  • gas washer
  • oil and gas industry
  • pumping of brine
  • generation of pressure in industrial branches

Operating data, Characteristic Curves

  • Q= 1800 m³/h
  • H= 2800 m
  • P= 300 bar
  • T= +200°C

Design features and properties

  • feed-water pump with intermediate take-off  and optimized pressure design within the pump
  • version with NPSH impeller
  • axial thrust compensation by means of piston or double piston
  • bearings: antifriction bearings or slide bearings
  • Hydraulically balanced concept regarding the range of application, efficiency and  rotor dynamics
  • low vibration values
  • long service life

Materials

  • grey cast iron
  • ductile cast iron, ADI materials
  • cast steel
  • 12 % chromium steel
  • austenitic steel
  • special alloys

Bearing configurations

  • Standard Version
    Radial bearings: antifriction bearings
    Axial bearings: antifriction bearings
    Ring oil lubrication

  • Variant
    Radial bearings: slide bearings
    Axial bearings: antifriction bearings
    Ring oil lubrication

  • Variant
    Radial bearings: slide bearings
    Axial bearings: slide bearings

    Pressure oil lubrication

HPZ - with axial inflow

  • version with axial inflow
  • with NPSH impeller for especially difficult suction conditions
  • axial thrust compensation by means of balance piston 
  • radial slide bearing lubricated by pumped liquid
  • oil lubrication with or without cooling
  • only one shaft seal required

XHP - for high speeds

  • version for speeds up to 6000 r.p.m.
  • as a result of speed increase reduction of number of stages and investment cost
  • special rotor design for high speeds
  • exact analysis of critical speeds ensures stable runability in the whole operating range
  • radial-axial slide bearings with forced oil lubrication
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