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API 685 Series

  • Overview
  • Materials
  • Applications


Nikkiso KSB canned motor pumps that comply with  API 685 have been developed for the refinery and petrochemical industries. They are designed for pumping very volatile liquids.

Key Design Features

  • Casing with centreline feet
  • Designed for nozzle forces and moments four times higher than required by API 685
  • 40 bar design pressure
  • Wear rings at the casing as well as at the casing cover
  • 27 hydraulic configurations
  • Installation - horizontal and vertical
  • API material code - A8, S8 and special materials
  • Power rating - 2.2 kW to 132 kW max.
  • Differential heads up to 200 metres
  • Capacities up to 360 m3/hr
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