BELZONA SEALS SF6 LEAKS ON GAS CHARGED CIRCUIT BREAKER

KHIA ID: 1488
Industry: Power (POWR)
Application: ENC-Engines and Casings (ENC)
Substrate: Aluminium and porcelain
Customer Location: Power Company, UK
Application Date: 2007
Products:

Belzona® 2311 (SR Elastomer)

Problem: SF6 gas leaking through porcelain bushing seals
Photograph Descriptions
  1. General view of the repair area (Top and Bottom)
  2. Top bushing sealed
  3. bottom bushing sealed
Application Situation
Gas charged circuit breakers in sub station
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.
View PDF
Download PDF