KHIA header

VOL XXX, NO 125

Repairing Cooling Tower Seams With Belzona

 
 

Industry:

Buildings & Structures (BSTR)

 
 

Application:

Heat Exchangers (HEX)

 
 

Customer Location:

Hospital, North Carolina, USA

 
 

Application Date:

August 2015

 
 

Application Situation:

Roof-mounted cooling towers (2 cells joined into 1 tower).

 
 

Problem:

Towers were leaking around seams and protrusions.

 
 

Products:

Belzona 2911 (Elastomer QD Conditioner)

Belzona 9341 (Reinforcement Tape)

Belzona 2131 (D & A Fluid Elastomer)

 

Substrate:

Stainless Steel.

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets HEX-6, HEX-13, TCC-12, FPA-6 and a modified version of FPA-7. The substrate was prepared via media blast with Black Beauty, cleaned, taped, and then conditioned with Belzona 2911. Once cured for ½ hour, a two-coat reinforced system of Belzona 2131 was utilized to create a polymer overlay over all assembly seams/joint. Bolt holes and other protrusions were top-dressed with a coating of Belzona 2131.

 
 

Belzona Facts:

Belzona provided a cost effective solution to the leaking tower, allowing for a return to service within 4 days of the beginning of application.

 
 

Photographs Description

  1. Blasting completed, prior to media removal
  2. Taping and conditioning all seams/protrusions
  3. First coat of Belzona 2131, embedding Belzona 9341
  4. Completed application to towers
 
 
  View PDF version  
 
 
For more information about Belzona visit: www.belzona.com