KHIA headerKnow-How in Action


Condenser Repaired With Belzona



Steel (STEL)



Heat Exchangers (HEX)


Customer Location:

Metallurgy Complex, Thermal Power Station, Vologda region, Russia


Application Date:

April 2010


Application Situation:

Deformation of the tube sheets due to bimetallic corrosion and erosion



Machine was in service for a long time, which resulted in unacceptable tube sheet wear (thinning, in some places up to 5-7 mm from the original thickness of 40 mm)



Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Belzona 9111 (Cleaner/Degreaser)



Cast iron


Application Method:

The application was carried out in accordance to Belzona Know-How System Leaflet HEX-1. The repair was completed in 10 days by a team of 4 specialists


Belzona Facts:

The customer was provided with an innovative 2-coat protection within a short timescale, which guarantees long term service life of his asset.


Photographs Description

  1. Grit blasting of the metal 
  2. Corks placed in the holes, application of Belzona 1311 
  3. Machining of the finished application 
  4. Application of Belzona 1321
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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