KHIA headerKnow-How in Action

VOL XVIII, NO 28

Belzona® Repair And Protection Of Refrigeration Unit

 
 

Industry:

Heating, Ventilation & Air Conditioning (HVAC)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Five star hotel in Egypt

 
 

Application Date:

April 2004

 
 

Application Situation:

End covers and tube sheet of a chiller unit from the hotel’s air conditioning plant.

 
 

Problem:

Erosion-corrosion on all water side components. Particularly deep erosion on tube sheet around the tubes.

 
 

Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Steel

 
 

Application Method:

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

 
 

Belzona Facts:

Eroded metal rebuilt with Belzona® 1311 before all surfaces were protected with two coats of Belzona® 1321. Long term repair and protection given insitu, with minimum disruption to plant operation.

 
 

Photographs Description

  1. General view of the refrigeration unit
  2. The corroded tube sheet
  3. The degree of erosion clearly evident after surface preparation
  4. Completed application
 
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