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VOL XXII, NO 123

Belzona® Rebuilds Sea Water Filter Flanges

 
 

Industry:

Oil & Gas (OILG)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Gas Production Company, England

 
 

Application Date:

September 2002

 
 

Application Situation:

6 x Seawater Filter Baskets

 
 

Problem:

Severe crevice corrosion and galvanic cavities on the flanges.

 
 

Products:

Belzona® 1111 (Super Metal)
 

Substrate:

316 stainless steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet VPF-13. A former was manufactured and with the use of spacers,clamps and release agent, the Belzona® 1111 was formed into perfect flange faces.

 
 

Belzona Facts:

Time did not allow for replacement baskets to be manufactured. Belzona was the obvious answer to the rebuilding of the corroded areas and the prevention of further bi-metallic corrosion. Inspected in 2007 flanges still performing OK allowing equipment to be re-assembled with no remedial work required.

 
 

Photographs Description

  1. A section of a seawater filter basket
  2. Severe crevice corrosion on 18 flanges
  3. Belzona® 1111 in place and curing
  4. Final result
 
 
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For more information about Belzona visit: www.belzona.com