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