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Belzona® 2211 Seals Oil Leaks On Switch Relays



Power (POWR)



Mechanical Power Transmission (MPT)


Customer Location:

Electricity Distribution, Western Australia


Application Date:



Application Situation:

Earth bushings on an oil filled switching unit



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.



Belzona® 2211 (MP Hi-Build Elastomer)



Steel and porcelain


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.


Photographs Description

  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
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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