Sealing of transformer oil and SF6 leaks with Belzona

Belzona offer specifically formulated products for the repair and protection of transformers that are safe to use and offer high adhesion even to oily, wet or manually prepared surfaces.

Belzona repair composites and protective coatings are designed to meet any special requirements when maintaining equipment in the power industry. Belzona's surface tolerant materials are cold-curing, safe and can be easily applied around cooling fins, leaking flanges and bolted joints as well as to seal leaks of SF6 gas on circuit breakers and switchgear.

Repairs that are normally considered impossible due to oil contamination or surface moisture can now be effectively carried out using our repair composite, Belzona 1161 (Super UW-Metal). Repairs with Belzona 1161 (Super UW-Metal) are simple to carry out and reliable saving valuable litres of oil from contaminating the ground below. 

Typical application areas include:
- Pipes and pipework
- Bushings
- Couplings
- Transformer fins
- Flanges
- Valves
- Leaking welds
- Porcelain insulators