KHIA headerKnow-How in Action

VOL XXVI, NO 117

Belzona® Repairs Leaking Heat Exchanger Tube Sheets

 
 

Industry:

Marine (MRNE)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Maritime repair agent, Bulgaria

 
 

Application Date:

December, 2010

 
 

Application Situation:

Various oil & air coolers of marine vessel

 
 

Problem:

Severe erosion and galvanic corrosion between copper tubes and steel tube sheet.

 
 

Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Steel & Copper

 
 

Application Method:

Applications were carried out in accordance with Belzona Know-How System Leaflets HEX-1 and HEX-3.

 
 

Belzona Facts:

Customer chоse the Belzona method because alternatives were either expensive replacement of the equipment or time consuming machining repair to replace the tube sheets. The repair with Belzona was completed in three days and almost ten times lower in cost than replacement.

 
 

Photographs Description

  1. The severe damage clearly evident
  2. After grit blasting, the eroded tube sheet was rebuilt with Belzona® 1311 
  3. The coolers after application of Belzona® 1321
  4. Further air coolers were also repaired
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com