Belzona® Seals Sf6 Leaks On Gas Charged Circuit Breaker

Industry:

Power (POWR)

Application:

Engines and Casings (ENC)

Customer Location:

Power Company, UK

Application Date:

2007

Application Situation:

Gas charged circuit breakers in sub station

Problem:

SF6 gas leaking through porcelain bushing seals

Products:

Belzona® 2311 (SR Elastomer)

Substrate:

Aluminium and porcelain

Application Method:

Application was carried out in accordance with a modified Belzona Know-How System Leaflet ENC-10. Following surface preparation to profile the metal and remove the glaze from the porcelain Belzona® 2311 was used to create an elastomeric seal.

Belzona Facts:

Cost of replacing two new bushings was £10,000. The Belzona repair cost £300.

Photographs Description

1. General view of the repair area (Top and Bottom)
2. Top bushing sealed
3. bottom bushing sealed