Main applications

  • Desalination
  • Industry engineering
  • Steel
  • Water
  • Watertreatment

Technical data

Q max 1,150.0 m³/h
H max 950.0 m


Horizontal radially split product-lubricated multistage ring-section pump with radial impellers and plain bearings, axial and radial single-entry inlet. Duplex stainless steel variant or super duplex stainless steel variant, also suitable for chilled water applications.


High-pressure pump for RO seawater desalination systems

Further technical information about HGM-RO

Overview of technical data

Q (50Hz) 40.0 – 1,150.0 (m³/h)
H (50Hz) 580.0 – 950.0 (m)
Type of bearing Plain bearings
Casing partition Radially split
Drive frequency 50 Hz /60 Hz
Type of drive Electric motor, turbine
Drive voltage Low voltage, high voltage
Type of first impeller Closed / Radial
No. of impeller entries Single entry
Other impeller types Closed / Radial
Type of installation Long-coupled
Type of coupling Direct
Type of lubrication Product lubrication
Max. permissible fluid temperature 40.0 (°C)
Guaranteed to be silicon-free Yes
Nozzle position Variable
Maximum operating pressure PN 63, PN 100, PN 160
Pump set location Dry installed
Suction characteristics Non-priming
Suitable for drinking water Yes
Type of connection Flange, loose flange
Type of discharge casing Annular casing
Type of stage casing Stage casing with diffuser
Type of suction casing Annular casing
eClass assignment 36410000, 36410101, 36410100
Installation position Horizontal
Shaft seal type Mechanical seal
Main applications Water
Casing material Cast duplex steel
Maximum discharge-side pressure 120.0 (bar)
Maximum suction pressure 12.0 (bar)
Maximum drive rating 1000.0 (kW)
Type of installation Stationary
Maximum speed of rotation 3600.0 (1/min)