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Belzona® Repairs And Coats Hydroelectric Turbine Pipelines And Vanes



Power (POWR)



Centrifugal Pumps (CEP)


Customer Location:

Hydroelectric Power Plant, Brazil


Application Date:

November 2008


Application Situation:

Hydroelectric turbine pipelines and vanes.



Wear caused by erosion and corrosion in the areas with high water turbulence.



Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)



Mild steel


Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet CEP-1. The surface was prepared with a dry abrasive blast and cleaned with a degreaser. The worn areas were repaired with Belzona 1311 and then coated with Belzona 1321 to protect against erosion and corrosion.


Belzona Facts:

As there was already a history with the successful use of Belzona products in a similar situation, the choice to apply Belzona 1311 and 1321 was once again made.


Photographs Description

  1. Internal surface of the damaged pipeline
  2. Damaged vanes
  3. Lower area of the pipeline coated with Belzona 1321
  4. Vanes protected with Belzona 1321
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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