HSR Horizontal Single Stage Pump

Horizontal Single Stage Split Case Pumps

HSR pump by Ruhrpumpen single stage horizontal split case pump
The HSR pump is a horizontal, single stage, double suction, double volute axially split case centrifugal pump. The suction and discharge nozzles are integrally cast in the lower half of the casing and on the same horizontal centerline. The nozzle configuration is side-side.

Operation Limits

Capacity up to 2,050 m³/h (9,000 gpm)
Head up to 155 m (500 ft)
Maximum Pressure up to 28 bar (400 psi)
Temperature 10 to 150 °C (50 to 300 °F)
Discharge flanges sizes 1½'' to 16''
Applications Fire Service, Cooling Towers, Municipal, Oil Process, Petrochemical, Sugar Industry, Paper Industry, Pipeline, Power Generation, Dewatering, Mining, Water


  • High Efficiency design
  • Single stage, horizontal split case centrifugal pump
  • Horizontally split casing, double volute minimizes thrust loads and allow operation over and wide range of capacities
  • Flanged connections
  • Enclosed impellers, double suction provides hydraulic balance eliminating axial thrust
  • Clockwise or counter clockwise rotation
  • Double ended shaft available
  • Oil or grease lubricated bearings
  • Stuffing box configured for packing or mechanical seals
  • Horizontal or vertical mounting configurations
  • Renewable wear rings

  • Cast iron
  • Cast iron, stainless steel fitted
  • All bronze
  • All WCB grade carbon steel
  • All stainless steel

Other materials available upon request