Range of application

  • Refineries
  • Petrochemical plants
  • Offshore engineering
  • Gas process plants
  • Power plants

Operating data, Characteristic Curves

characteristic curve 2900 min-1
  • Q= 2.800 m3/h
  • H= 250 m
  • P= 50/35 bar
  • T= 220 °C

Design features and properties

  • pump meets all requirements of API-610, Typ OH1, horizontal, single-stage, radial-split design
  • axial suction nozzle, radial discharge nozzle
  • foot-mounted
  • casing > NW 80 of double-volute design
  • reduction of axial forces
  • low vibration – long service life
  • back-pull-out version in connection with demountable coupling allows simple maintenance, volute casing and motor remain in initial position
  • seal area acc. to API 610/682, suitable for a variety of seals
  • standard version
  • flanges according to ASME B16.5 for class 300 or 600 lbs
  • exchangeable wear and guide rings enable easy maintenance and cost reduction
  • dynamically ballanced impellers guarantee very smooth running
  • robust shaft design meets all requirements of API-610


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

Version with Inducer

  • Inducer is an additional upstream impeller of screw type which provides very low NPSH values
  • Design of the inducers is selected according to specific application range of Customer.


  • Vertical volute-casing pumps for wet or dry installation with most different  submersion depth up to 8 m
  • Shaft on drive side with robust pair of angular ball bearings of long lifetime running in the pump in maintenance-free slide bearings
  • Slide-bearing locations are lubricated by means of liquid to be pumped via lubrication piping.
  • Bearings with oil or grease lubrication, optionally we can provide bearing cooling.
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