BELZONA SEALS LEAKING FLANGE
Industry: Chemical & Petrochemical (PETR)
Application: VPF-Valves, Pipes and Fittings (VPF)
Customer Location: Chemical plant, Germany
Application Date: May 2010
Belzona® 1391 (Ceramic HT)
Belzona® 1111 (Super Metal)
Problem: Flanged joint was leaking at the gasket and through the bolts. Customer required an in-situ repair to seal the leak as joint could not be dismantled to effect a conventional repair.
- Leaking flange
- Belzona® 1111 applied to bolts
- First coat of Belzona® 1391 applied
- Completed application
Large flange in hot brine process system
Application was carried out using a modified version of Belzona Know-How System Leaflet VPF-11. The surface was prepared by grit blasting. The bolts were fully encapsulated using Belzona® 1111 to seal the leaks in these areas. Following this Belzona® 1391 incorporating Reinforcement tape was used to completely encapsulate the flange joint.
The Belzona products were chosen to withstand the high process temperatures (120°C) and have proven to be totally effective leading to several aimilar repairs at the facility.