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API 610, OH2 Type Pump



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Exploded View



Radially split volute casing, Horizontal installation, Back pull-out design, Single stage, Single flow, Centerline supported pump casing, to API 610, 11th/ISO 13709, 2009


  • Flow rate (Max.):   1100 m3/hr
  • Differential head (Max.): 130 m
  • Speed (Max.): 3000 rpm
  • Suction pressure rating: Up to 20 bar g
  • MAWP: 40 bar g
  • Operating temperature: -15 ˚C to 400 ˚C
  • Design temperature: 180 ˚C
  • Application

    • Chemical processing
    • Petroleum refining, production & distribution
    • Petrochemical plants
    • Mining processes
    • High-temperature applications
    • Gas industry services
    • Boiler circulation
    • Seawater desalination plants
  • Options

    • Wide range of materials for many applications available
    • Single & double mechanical seals as options for shaft seal
    • API682 seal support system available
    • Local control panel and instrumentation
    • Constant level oiler as an option for lubrication system
    • Triple bearing arrangement for high suction pressure applications
    • Casing heating/cooling jacket for special services
    • Various types of baseplate designs to suit customer requirements

Renewable Wear Rings for regaining initial efficiency and performance

  • 2xAPI610 allowable nozzle loads
  • Flanges to ASME B16.5, 300#

Maximum shaft diameter to API610 makes for very long service life of mechanical seal

Seal chamber meets dimensional requirements of API610 / ISO13709 and can be fitted with single & double cartridge mechanical seals as per API 682

  • Dynamically Balanced Impeller limits vibration and assures smooth operation over wide flow range
  • Low Nss hydraulic for optimal  selection to API610

Centerline casing support for max. reliability at high temperatures and high nozzle loads

  • Double row standard-roller type thrust bearing, single row deep groove radial bearing
  • Oil lubricated
  • Bearings dimensioned for longer service life than specified by API610

ASK Hydraulic Coverage

OH2 series


Other hydraulics on request


  • Catalogue

    OH2- Catalogue 2012

  • IOMs

    OH2-Installation, Operation & maintenance Manual- En-2012

    OH2-Installation, Operation & maintenance Manual- FA-2012

  • Data-sheet Forms

    OH2-Compact Data-sheet

    OH2-Detailed Data-sheet

    OH2-API 610, Data-sheet