BELZONA REPAIRS AND COATS HYDROELECTRIC TURBINE PIPELINES AND VANES
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Mild steel
Customer Location: Hydroelectric Power Plant, Brazil
Application Date: November 2008
Products:
Belzona 1311 (Ceramic R-Metal)
Belzona 1321 (Ceramic S-Metal)
Problem: Wear caused by erosion and corrosion in the areas with high water turbulence.
Photograph Descriptions
- Internal surface of the damaged pipeline
- Damaged vanes
- Lower area of the pipeline coated with Belzona 1321
- Vanes protected with Belzona 1321
Application Situation
Hydroelectric turbine pipelines and vanes.
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.