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Belzona® Rebuilds Sea Water Filter Flanges



Oil & Gas (OILG)



Valves, Pipes and Fittings (VPF)


Customer Location:

Gas Production Company, England


Application Date:

September 2002


Application Situation:

6 x Seawater Filter Baskets



Severe crevice corrosion and galvanic cavities on the flanges.



Belzona® 1111 (Super Metal)


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
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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