BELZONA® 1111 REPAIRS TO CREVICE CORROSION
Industry: Oil & Gas (OILG)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Inconel
Customer Location: Offshore oil production company
Application Date: June 1997
Products:
Belzona® 1111 (Super Metal)
Problem: Incorrect joint material caused extensive crevice corrosion on two separate coolers
Photograph Descriptions
- Inspection of the crevice corrosion being undertaken
- Typical crevice corrosion pitting apparent on the flange face.
- The Belzona repair completed without removal of the tube bundle
- The time consuming alternative on-site machining after welding
Application Situation
Flange faces of gas cooler
Application Method
Application was carried out in accordance with Belzona System Leaflets VPF-1 and VPF-13. Only the localized corrosion pitting was rebuilt on these units and dressing back to profile was carried out using hand tools.
Belzona Facts
Belzona repairs were completed in just six hours avoiding the need to weld and machine to size which would have taken several days. This saved gas production losses estimated at tens of thousands of pounds.
