BELZONA PROTECTS HYDROELECTRIC TURBINE CASING
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Cast iron
Customer Location: Hydroelectric power plant in Japan
Application Date: March 1996
Products:
Belzona® 1341 (Supermetalglide)
Problem: Erosion-corrosion caused by the flow of river water through the turbine over many years.
Photograph Descriptions
- The casing after grit blasting
- The casing after application of Belzona® 1341
- The scale of the application is clearly evident
Application Situation
Spiral casing of large Francis turbine
Application Method
The application was carried out in accordance with Belzona Know-How System Leaflet CEP-10. The Belzona® 1341 was applied by airless spray to speed application on the large areas involved.
Belzona Facts
The area was previously treated with a tar-epoxy coating, but this had to be re-applied annually. The Belzona® 1341 has provided long term protection. Annual inspections have been carried out and only localized repairs to minor mechanical damage have been required. Customer is totally satisfied with the application.
