BELZONA MATERIALS RECONDITION AIR CONDITIONER

KHIA ID: 79
Industry: General Industry (GIND)
Application: HEX-Heat Exchangers (HEX)
Substrate: Steel and Copper
Customer Location: Property Management Company in South-Eastern U.S.A.
Application Date: February 1995
Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)


Problem: The tube sheet had suffered erosion/corrosion damage to the extent that three tubes no longer made contact with the sheet.
Photograph Descriptions
  1. Original condition of the tube sheet showing three tubes not in contact with the sheet 
  2. Tube sheet surface being prepared   
  3. The sheet, restored to full working order
Application Situation
H.V.A.C. tube sheet repair
Application Method
Application was carried out in accordance with Belzona Know-How Leaflet HEX-1.
Belzona Facts
The customers only alternative would have been to remove all the tubes and replace the sheet at a cost of $33,000. The Belzona solution cost less than $1,000.