BELZONA® 2211 SEALS OIL LEAKS ON SWITCH RELAYS

KHIA ID: 151
Industry: Power (POWR)
Application: MPT-Mechanical Power Transmission (MPT)
Substrate: Steel and porcelain
Customer Location: Electricity Distribution, Western Australia
Application Date: 1998
Products:

Belzona® 2211 (MP Hi-Build Elastomer)


Problem: Up to five litres of oil per day were leaking through the bushings. Full repairs, working inside the reactor were deemed to contravene their Duty of Care, so alternatives were sought.
Photograph Descriptions
  1. One of the leaking earth bushings  
  2. Work underway on the bushing (Note wedge in place to stem leak.)  
  3. Application of Belzona® 2211 complete
Application Situation
Earth bushings on an oil filled switching unit
Application Method
Application was carried out by encapsulating and sealing the leaking bushing to the surrounding metal. A jack between roof and bushing top was used to stem leak by compressing against cork gasket while the Belzona application is completed.
Belzona Facts
The repair was completed in 12 hours and cost just 6% of the quoted price to effect a full repair, that in any case could not be carried out for health and safety reasons.