BELZONA REPAIRS LEAKING HEAT EXCHANGER TUBE SHEETS

KHIA ID: 1622
Industry: Marine (MRNE)
Application: HEX-Heat Exchangers (HEX)
Substrate: Steel & Copper
Customer Location: Maritime repair agent, Bulgaria
Application Date: December, 2010
Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem: Severe erosion and galvanic corrosion between copper tubes and steel tube sheet.
Photograph Descriptions
  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
Application Situation
Various oil & air coolers of marine vessel
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.
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