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VOL XIV, NO 26

Belzona® Protects Hydroelectric Turbine Casing

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Hydroelectric power plant in Japan

 
 

Application Date:

March 1996

 
 

Application Situation:

Spiral casing of large Francis turbine

 
 

Problem:

Erosion-corrosion caused by the flow of river water through the turbine over many years.

 
 

Products:

Belzona® 1341 (Supermetalglide)

 

Substrate:

Cast iron

 
 

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.

 
 

Photographs Description

  1. The casing after grit blasting
  2. The casing after application of Belzona® 1341
  3. The scale of the application is clearly evident
 
 
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For more information about Belzona visit: www.belzona.com