BELZONA® REPAIRS A FRANCIS TURBINE

KHIA ID: 1736
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Steel
Customer Location: Hydroelectric power plant / Moulin Neuf, France
Application Date: September 2009
Products:

Belzona® 1311 (Ceramic R-Metal) Belzona® 1321 (Ceramic S-Metal)


Problem: Based on previous experience and drawbacks of a hot applied solution, welding was not an option.
Photograph Descriptions

Original turbine After disassembling After rebuilding with Belzona® 1311 Application of 2 coats of Belzona® 1321

Application Situation
This turbine was in operation since 1976 and showed significant erosion-corrosion.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflets CEP-3 & 5. Belzona® 1311 was used to restore profiles before overcoating with Belzona® 1321 to provide protection from further erosion-corrosion.
Belzona Facts
The Belzona solution has avoided the replacement of the turbine which would have cost between 30000€ and 50000€. About 50 hours of works were needed to repair this turbine and the repair cost 10000€ to the client.