SF6 gas leak repair with Belzona

KHIA ID: 8533
Industry: Power (POWR)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Steel
Customer Location: Wind farm, Australia
Application Date: May 2021
Products:

Belzona 1161 (Super UW-metal)

Belzona 5831 (ST-Barrier)


Problem: SF6 gas leaks were observed on flanges and needed to be sealed to prevent further leakage of this extremely potent greenhouse gas.
Photograph Descriptions

Picture 1: Wind farm

Picture 2: Leaking flange

Picture 3: Application of Belzona 1161 & 5831

4: Completed flange gas leak repair

Application Situation
In a wind farm in Australia, SF6 gas leaks were observed on flanges and needed to be sealed.
Application Method
Surface was prepared with power tools, such as bristles blasters and grinders to achieve a good profile for the Belzona to adhere. Belzona 1161 and reinforcing tape was applied around the outside of the flange. Then all nuts and bolts were coated with Belzona 1161. Belzona 5831 was then applied over the Belzona 1161 repair area to ensure a good seal and dress up the application
Belzona Facts
8 Flanges were successfully repaired, the client was happy and additional repairs will be carried out soon.