KHIA headerKnow-How in Action

VOL XX, NO 56

Belzona® Separates Dissimilar Metal Pipes

 
 

Industry:

Oil & Gas (OILG)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Offshore platform, UK

 
 

Application Date:

October 2001

 
 

Application Situation:

Pipe linings and flanges.

 
 

Problem:

Galvanic corrosion between dissimilar pipe sections.

 
 

Products:

Belzona® 1391 (Ceramic HT)

Belzona® 1591 (Ceramic XHT)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet VPF-2.

 
 

Belzona Facts:

Belzona’s electrical isolating properties form a barrier to the electrolytic cell set up by the dissimilar metal thus stopping galvanic corrosion. The previous vulcanized rubber coating had failed in less than 6 months. These repairs were still in service four years later.

 
 

Photographs Description

  1. Surface Preparation
  2. Pipe masked up
  3. Finished Application
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 

 

 
 
For more information about Belzona visit: www.belzona.com