KHIA headerKnow-How in Action

VOL XXIV, NO 59

Belzona® Seals Sf6 Leaks On Circuit Breaker

 
 

Industry:

Power (POWR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

Electrical distribution substation, Australia

 
 

Application Date:

July, 2009

 
 

Application Situation:

Bushing on 330kV circuit breaker.

 
 

Problem:

SF6 gas leaks through porcelain bushing seal

 
 

Products:

Belzona® 1161 (Super UW Metal)

 

Substrate:

Steel and porcelain

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System leaflet VPF-11a. An MBX Bristle Blaster was used to prepare the surface before application of Belzona® 1161 to seal the leak area.

 
 

Belzona Facts:

Application was carried out in an impressively simple and quick manner and created a totally successful gas tight seal where previous repair attempts had failed.

 
 

Photographs Description

  1. Original unsuccessful repair (still leaking)
  2. Prepared area using the MBX Bristle blaster
  3. Applying the Belzona® 1161
  4. Close up of the completed repair
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

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