KHIA headerKnow-How in Action

VOL X, NO 21

Belzona® Cavitation Resistance For Impeller



Oil & Gas (OILG)



Centrifugal Pumps (CEP)


Customer Location:

Oil Refinery in Mississippi


Application Date:

August 1995


Application Situation:

40-inch impeller for cooling tower pump



Severe damage to the impeller caused by cavitation



Belzona® 1311 (Ceramic R-Metal)

Belzona® 1421





Application Method:

The application was carried out in accordance with Belzona Know-How Leaflets CEP-1 and CEP-3.


Belzona Facts:

The customer saved a $45,000 replacement cost for a new impeller.


Photographs Description

  1. Surface preparation—abrasive grit blasting in progress  
  2. Cavitated areas of the impeller rebuilt with Belzona® 1311 
  3. Application of Belzona® 1421 complete, impeller ready for service
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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