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Horizontal - Multistage - Single Case - MSL, MSM


The MSM / MSL line is a highly efficient ring section pump with patented balancing system, extremely low NPSH, with a wide range of hydraulics and materials. 


  • Power
  • Chemical
  • Water
  • General Industry

industry sectors

  • Conventional Steam
  • Geothermal
  • Combined Cycle
  • Concentrated Solar Power
  • Biomass and MSW
  • Basic
  • Water
  • Water Management
  • Pulp & Paper
  • Mining
  • Food & Beverage
  • Other Industries

Flowserve, Hydraulic Istitute, ISO 5199, EN25199

Operating Parameters

Flows to 450 m³/h (1,981 gpm)
Heads to 630 m (2067 ft) 
Pressures to 63 bar (914 psi) 
Temperatures from -10°C (14°F) to 180°C (356°F)  

Design Range

Sizes from 32 mm (1.25 in) to 150 mm (6 in)

Features & Benefits
  • Patented balancing system reduces recirculation and optimizes efficiency
  • Axial or radial inlet for customer piping preference
  • Self aligning sleeve bearing requires only one shaft seal
  • Antifriction bearing design also available
  • Large selection of hydraulics to maximize performance
  • Rotatable suction and discharge casing to match customer piping
  • Enhanced suction design provides low NPSH
  • Material options available
  • Robust against quick operation and temperature changes


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