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Hydro Turbine Guide Vanes Repaired And Protected With Belzona



Power (POWR)



Centrifugal Pumps (CEP)


Customer Location:

Power plant, Ukraine


Application Date:

January-February 2012


Application Situation:

Erosion/corrosion and cavitation by pressure to the face of turbine guide vanes revealed during annual inspection



Erosion and cavitation of turbine vanes



Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)



Cast iron


Application Method:

The application was carried out according to Belzona Know-How System Leaflet CEP-1 and FBC-2. Belzona 1311 was used to resurface the profile. Belzona 1321 was applied to improve efficiency and protect against erosion/corrosion.


Belzona Facts:

Replacement was considered unacceptable due to a short shut down. Belzona was the only alternative. All work has been conducted in a short time, and this has allowed to minimize time and money


Photographs Description

  1. General view of the turbine guide vanes surface preparation  
  2. Grit blasting of the turbine guide vanes  
  3. Geometry of guide vanes repaired using Belzona 1311  
  4. Repaired surfaces of the guide vanes after the application of Belzona 1311 and Belzona 1321
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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