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VOL XII, NO 33

Belzona® Used To Restore Corroded Flange On Chimney

 
 

Industry:

General Industry (GIND)

 
 

Application:

Gaskets, Seals and Shims (GSS)

 
 

Customer Location:

Fertilizer manufacturer in France

 
 

Application Date:

August 1996

 
 

Application Situation:

An acid vapour evacuation unit installed on top of a high chimney

 
 

Problem:

The flange faces and the removable gasket had been attacked and corroded by the chemicals passing through the unit. In places the depth of corrosion on the flanges was 20-30mm.

 
 

Products:

Belzona® 2221

Belzona® 4111

Belzona® 4311

 

Substrate:

Steel

 
 

Application Method:

Application was carried out using suitably modified techniques covered in Belzona System Leaflets GSS-2, VPF-1, 2 & 13.

 
 

Belzona Facts:

Ease of use was an important factor given the difficult working situation. The excellent chemical resistance of Belzona® 4311 has prevented further corrosion occuring on the flange.

 
 

Photographs Description

  1. The difficult working situation on the chimney  
  2. The flange rebuilt and protected  
  3. Belzona® 2221 used to cast new gasket
 
 
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For more information about Belzona visit: www.belzona.com