MBN-RO multistage ring section pump

Handling high water pressure to save you energy

The MBN-RO is a configured, ring section, multistage pump specifically designed for high pressure membrane feed service in sea water reverse osmosis applications. Its improved hydraulic performance makes it suitable for any other high pressure application with clean liquids.

MBN-RO multistage ring section pumps
Main benefits
  • Top of its class efficiency to ensure lowest specific power consumption per produced cubic meter of water.
  • Different hydraulics can be fitted in the same pump frame, allowing flexibility and modularity and allowing future retrofitting
  • All parts typically subject to maintenance (both DE & NDE bearings, balancing disc, mechanical seal) are accessible and can be replaced on site, without removal of suction and discharge piping
Main applications
  • High pressure membrane feed in Sea Water Reverse Osmosis applications.
  • Clean water pumping stations
  • Any other high pressure application with clean liquids and low temperature
Main design features
  • High efficiency, low NPSH impellers to match customer needs are used for all stages, providing modularity, top efficiency and ideal suction performance
  • Double volute a last stage reduces the radial thrust and increases overall efficiency
  • Replaceable stationary PEEK wear parts used to increase efficiency and reduce main­tenance
  • Product lubricated bearing at both DE and NDE to make the pump compact, reliable and easy to maintain
  • Balance disc at NDE as balancing device ensures optimum efficiency
  • Radial suction flange allows accessibility to mechanical seal and product lubricated bearing at DE without disassembling the pip­ing
  • Flanges can be installed side or top position as per customer convenience, ensuring typically side-side orientation
  • Integrated single mechanical seal with flushing from first stage
Key characteristics
Capacities Up to 1,100 m3/h / 4,800 USgpm
Heads Up to 900 m / 2,950 ft
Pressures Up to 100 bar / 1,450 psi
Temperatures Up to 90 ºC / 194 ºF
Discharge sizes From 25 to 200 mm / 1 to 8 inches
Performance range
MBN-RO multistage ring section pump performance range 50 Hz
Performance range 50 Hz
MBN-RO multistage ring section pump performance range 60 Hz
Performance range 60 Hz
Applications
  • RO-island HPP
    This is the heart of the SWRO Desalination process, where the desalination effect takes place. The Treated sea water is fed by means of the High Pressure pumps into the RO membranes, obtaining permeate or product water and high pressure brine rejection, whose high pressure energy is recovered by selected Energy Recovery Device.

  • RO-Island HPP 2nd pass
    This is the heart of the SWRO desalination process, where the desalination effect takes place. The treated sea water is fed by means of the high pressure pumps into the RO membranes, obtaining permeate or product water and high pressure brine rejection, whose high pressure energy is recovered by selected Energy Recovery Device.
How can we help you?

Talk or write to our experts to find your best solution.