KHIA headerKnow-How in Action

VOL XXX, NO 37

Belzona® Repairs And Coats Hydroelectric Turbine Pipelines And Vanes

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Hydroelectric Power Plant, Brazil

 
 

Application Date:

November 2008

 
 

Application Situation:

Hydroelectric turbine pipelines and vanes.

 
 

Problem:

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

 
 

Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

 

Substrate:

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

 

 
 
For more information about Belzona visit: www.belzona.com