OH2 End Suction Types HPU

Model: HPU-OH2

Type: Overhung, Single Suction
Max. Capacity: M3/Hr 3,000
  USGPM 13,000
Max. Head: M 290
  Ft. 950
Max. Temp: °C 425
  °F 800
Std. Pressure: Barg 50
  PSIG 750
Opt. Pressure: Barg 100
  PSIG 1,500
Discharge Sizes: MM 40 to 300
  Inches 1.5 to 12
Max. Speed: RPM 3,600


The HPU is an overhung, horizontal, centerline mounted, single stage, radially split process pump. It has the broadest performance range in the industry and is used in heavy­duty refinery, petrochemical, gas processing and offshore oil production services. Fully compliant with API 610, 11th Edition

Standard Features:

  • Wide hydraulic coverage.
  • Bespoke designs tailored to project requirements.
  • 300# flange ratings, end suction, top discharge design.
  • Available in all API 610, Table H­1 materials.
  • Cast or fabricated impellers, for expanded hydraulic coverage.
  • Close clearance metalized carbon throat bushing for optimal control of stuffing box environment.
  • Rigid shaft design for minimal deflection to meet and exceed API 610 requirements.
  • Cylindrical roller radial bearings for ample load carrying capability.
  • Duplex angular contact 7300 series thrust bearings.
  • Labyrinth bearing housing isolators.
  • Heavy duty baseplate, drip rim or drip pan designs.

Optional Features:

  • High pressure special casing design.
  • Oil Flinger/Oil Ring/Purge Mist/Pure Oil lubrication of bearings.
  • Oversized shafts and bearing housing arrangements.
  • Fan/Heat­sink bearing housing cooling arrangement for operation at elevated temperatures, to eliminate the need for cooling water.
  • Magnetic bearing housing isolators.
  • Pre­-grouted baseplates or non-­grouted baseplates.
  • Non­-standard API 610 material available.