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Belzona® Rebuilds Stainless Steel Pump



Pulp & Paper (PLPR)



Centrifugal Pumps (CEP)


Customer Location:

Pulp & Paper Plant, Bulgaria


Application Date:

August, 2008


Application Situation:

Double end suction centrifugal pump in pulp production



Loss of internal profiles of the pump casing as a result of corrosion and erosion processes leading to reduced pump efficiency



Belzona® 1111 (Super Metal)

Belzona® 1311 (Ceramic R-Metal) 



Stainless Steel


Application Method:

Application was carried out in accordance with Belzona Know-How system Leaflets CEP-1 and CEP-5. After blasting with Aluminium Oxide grit the internal damage was restored with Belzona® 1311. Flange faces & sealing ring seats were rebuilt by forming technique with Belzona® 1111.


Belzona Facts:

Rebuilding and contouring to the original pump profile restored pump efficiency and saved time for delivery and high replacement costs for a new pump.


Photographs Description

  1. Damage to the pump casing after blasting
  2. Rebuilding damage inside the casing
  3. Flat metal plate used as former to rebuild flange faces
  4. Pump rebuild completed
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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