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Survey and repair leaking SF6 assets cost effectively and with minimal disruption to operations

EMT delivered the technology and expertise to survey and repair leaking SF6 assets with a cost-effective solution and minimal disruption to operations, which was welcomed by the customer, whose alternative would have been to replace the asset at considerable cost and with significant disruption to the substation – another job well done by the EMT Site Services Team.

 

Industry: Power T&D

Application: SF6 gas inspection cover plate repairs   

Customer: UK electric utility substation

Date: August 2022

Problem: Leaking SF6 gas on cover plates

Solution: SF6 leak repair to inspection plates – non pressurised. 9 repairs completed

Works:

  • Leak surveyed by EMT Site Services team using EMT Handheld SF6 Leak Detector
  • Existing gas purity analysed with EMT Zerowaste Rapide+ Analyser
  • Asset de-gassed using EMT Gas Cart
  • Surface preparation and cleaning works undertaken
  • Specialist repair works completed
  • Asset re-gassed, gas purity checked, and post repair testing completed
  • Further scheduled preventative maintenance work has been recommended by EMT Site Services due to high H20 ppm readings recorded in the SF6 gas

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