KHIA headerKnow-How in Action


Routine Belzona® Pump Application



General Industry (GIND)



Centrifugal Pumps (CEP)


Customer Location:

China Clay Producer


Application Date:

Ongoing since 1970


Application Situation:

SALA Pumps used in the drying plant to transport the clay slurry



Severe erosion of the pump casing and back plates



Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)



Stainless Steel


Application Method:

The application is carried out in accordance with Belzona Know-How leaflets CEP-1 and CEP-5.


Belzona Facts:

The pump back plates are rebuilt in a similar manner. The repairs last a little longer than a new part but saves between 80-90% the cost of a new component. The pumps have been rebuilt on average more than 6 times saving the need to buy in new and expensive pump components


Photographs Description

  1. Typical casing showing the general erosion damage  
  2. Belzona® 1311 being applied into the rebate at the extremity of the repair  
  3. Rebuild of badly eroded cutwater using an Elastomer former to obtain correct profiles 
  4. The finished casing ready for re-assembly
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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