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Allen Gwynes Axial Flow Pump repairs

16 July 2019

Repair of 2 axial flow pumps


Before - After

Allen Gwynnes 18/18/15.25 Axial Flow Pumps.


To remove repair and re-install the pump which suffered from a range of problems including cavitation, errosion and corrosion damage of the propellers shafts and sleeves. Allen Gwynnes pumps are no longer manufactured so spare parts are no longer available.

Work Carried Out:

  • One propeller was repaired and reshaped.
  • The second had to be completely re-cast.
  • Sleeves fitted to pump housing to maintain orginal clearances.


Shaft end before and after 







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