BELZONA REPAIR AND PROTECTION OF HYDRO PLANT DRAFT TUBE

KHIA ID: 3634
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Concrete
Customer Location: Hydroelectric power station, north Sweden.
Application Date: Sept. 2010
Products:

Belzona® 4111 (Magma Quartz) Belzona® 1341 (Supermetalglide)


Problem: Severe damage caused by cavitation in the upper part of the draft tube.
Photograph Descriptions
  1. The draft tube being repaired with Belzona® 4111 
  2. The repair area being coated with Belzona® 1341 
  3. The finished application 
  4. The application one year later
Application Situation
Hydroelectric power plant draft tube.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet CEP-10. After drying and preparing substrate Belzona® 4111 was used to rebuild damaged concrete before coating with Belzona® 1341.
Belzona Facts
When the job was inspected one year later, the costumer was extremely satisfied with what he found and Belzona has become the standard repair solution for future repairs on draft tubes. A similar job was done in the autumn of 2011 and another job is planned for 2012.