KHIA headerKnow-How in Action

VOL XXIV, NO 58

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
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 

 

 
 
For more information about Belzona visit: www.belzona.com