Thetys Pumps SRL
Tel: +40 744 595 445
E-mail: office@thetyspumps.com
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

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MBN-RO multistage ring section pump – Thetys Pumps
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MBN-RO multistage ring section pump

Thetys Pumps / Products  / Pumps  / Ring section pumps / MBN-RO multistage ring section pump

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.

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

Performance range 50 Hz

Performance range 60 Hz