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VOL XIV, NO 25

Belzona® Protects Hydroelectric Turbine Runner

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Hydroelectric power plant in Scotland

 
 

Application Date:

November 2000

 
 

Application Situation:

Francis turbine runner

 
 

Problem:

Over 40 years of service led to cavitation and corrosion.

 
 

Products:

Belzona® 1111 (Super Metal)

Belzona® 1341 (Supermetalglide)

 

Substrate:

Phosphor Bronze

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets CEP-3 and CEP-5.

 
 

Belzona Facts:

Conventional weld repairs would have been cost prohibitive. In addition, Belzona repairs do not create heat stress, an increase in efficiency is expected. The turbine does not operate full time. In summer there is often only enough water for operation one day per week.

 
 

Photographs Description

  1. The runner prior to application
  2. Application underway with second coat of Belzona® 1341 being applied 
  3. The completed application with the smoothness of Belzona® 1341 clearly evident
 
 
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For more information about Belzona visit: www.belzona.com