KHIA header Know-How in Action

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
 
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