BELZONA REPAIRS AND COATS HYDROELECTRIC TURBINE PIPELINES AND VANES

KHIA ID: 5618
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
  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
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.