KHIA headerKnow-How in Action

VOL XXVI, NO 24, ELITE

Immaculate Belzona® Heat Exchanger Repair

 
 

Industry:

Oil & Gas (OILG)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Major oil company, South Norway

 
 

Application Date:

December 2007

 
 

Application Situation:

Tube sheet from oil cooler on offshore production platform.

 
 

Problem:

Surface of the tubesheet was badly corroded and required protection before leakage became an issue.

 
 

Products:

Belzona® 1391 (Ceramic HT)

 

Substrate:

Bronze

 
 

Application Method:

Application was carried ouit in accordance with Belzona System Leaflet HEX-1. Following gritblasting Belzona® 1391was applied to the tubesheet. A special made former plate coated with Belzona® 9411 (Relase agent) was assembled with 2mm spacers to ensure coating thickness. After 24 hours cure time the former was removed and the tubesheet put back into service.

 
 

Belzona Facts:

The customer neded a quick and cost effective solution to this common problem. The tubesheet has been in service for over 3 years now and is still in perfect condition.

 
 

Photographs Description

  1. Gritblasted Tubesheet
  2. Belzona® 1391 applied to the tubesheet surface
  3. Former plate coated with Belzona® 9411 assembled
  4. Completed Application, one perfectly formed and protected tubesheet
 
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