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Dock Impounding Pump Repair

22 July 2019

Repair of axial flow pump


Vickers 44" A/F vertical axial flow pump.


To remove repair and re-install the pump which suffered from a range of problems including cavitation damage of the propeller, corrosion damage of the rising main and a leaking bottom seal. Vickers pumps are obsolete so spare parts are no longer available.

Work Carried Out:

  • The propeller were repaired and reshaped.
  • Sleeves fitted to pump housing to maintain original clearances.
  • Gland packing was replaced with mechanical seals.
  • Pump shaft repaired and Belzona coated.
  • Pump shaft cut below impeller and a cutless bearing with support plate was installed instead.
  • New bellhousing in GRP was manufactured and fitted.



Propeller tips before and after 


Failed bearing sleeve as removed 


 Propeller cavitation damage and repaired propeller



 Damaged rising main - Belzona caoted rising main

Repaied pump at re-installation





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Unit 9a, Fieldhouse Business Park, Old Fieldhouse Lane, Huddersfield, HD2 1FA