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 high-pressure stage casing pumps – Thetys Pumps
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MBN high-pressure stage casing pumps

Thetys Pumps / Products  / Pumps  / Ring section pumps / MBN high-pressure stage casing pumps

MBN high-pressure stage casing pumps

Multi-purpose solutions for all high-pressure needs

The MBN pumps are ideal for use in high-pressure applications. They have a big variety of nozzle position options, thus providing flexibility during installation and simplifying the piping design. The thrust bearing and shaft seal can be easily exchanged without disassembling the suction casing.

Main benefits
  • Simple construction to minimize dimensions and reduce investment and maintenance costs
  • High-quality investment cast impellers and diffusers for improved efficiency
  • Fast and easy impeller mounting
  • Bearing unit can be serviced without having to disassemble the pumps
  • Wide range of materials available including duplex stainless steel grades
Main applications
  • Boiler feed duties in industrial power applications up to 180° C
  • Condensate service in power stations and industrial plants
  • Feed pumps in desalination by reverse osmosis
  • Shower water in paper mills
  • High-pressure water in general industry
Main design features
  • Integrated diffusers and stage casings
  • Product-lubricated Non-Drive End (NDE) bearing of innovative design for better internal alignment and lubrication
  • Balance drum and axial thrust bearing
  • Keyless polygon shaft torque transmission for the impellers
  • Shaft sealing only required in the low-pressure suction side
Key characteristics
Capacities Up to 700 m3/h / 3,080 US gpm
Heads Up to 900 m / 2,950 ft
Pressures Up to 100 bar / 1,450 psi
Temperatures Up to 180°C / 355°F
Discharge sizes Up to 150 mm / 6 inches
Performance range

Performance range 50 Hz

Performance range 60 Hz