SF6 gas leak sealing
SF6 leaks at switchgear flanges and seals release an expensive insulating gas and degrade equipment reliability.
The need for SF6 gas leak sealing
BHI Coatings performs SF6 gas leak sealing across Alvin and the Texas Gulf Coast. SF6 leaks at switchgear flanges and seals release an expensive insulating gas and slowly degrade the reliability of the gear. Each leaking joint costs twice, once as gas and once as a reportable loss of a high-impact gas. Taking the switchgear out of service and evacuating the SF6 to make the repair means an outage and a recharge the utility would rather not schedule.
How BHI Coatings does SF6 gas leak sealing
We seal the leak path cold with the gear still energized and in service. The crew preps the leaking flange or seal area, then applies a compound that closes the path without disturbing the equipment. No hot work, and nothing has to be vented to make the repair.
The leak stops without evacuating the SF6 or scheduling an outage. The switchgear holds its insulating charge and never leaves service.

More Leak Sealing applications
Bends, tees, and elbows wear fastest because flow turbulence concentrates erosion and corrosion at the change of direction.
Learn more →Engineered composite pipe wrap repairThrough-wall corrosion, external pitting, and mechanical damage thin pressurized pipes and vessels before a replacement turnaround is scheduled.
Learn more →Flange encapsulation and sealingFlange faces corrode and weep at the gasket joint, and exposed bolting seizes. This opens leak paths and makes future disassembly hard.
Learn more →Live leak sealingActive leaks at pipes, headers, and vessels waste product and corrode nearby steel before a shutdown can be scheduled.
Learn more →Oil and transformer leak sealingOil leaks at transformer tanks, gearbox cases, and weld seams persist because the oil film stops conventional adhesives from setting.
Learn more →Pipe and tank leak sealingPinholes, through-wall defects, and corrosion pits open leak paths in pipe and tank walls, often on wet or oil-contaminated steel.
Learn more →All 7 in Leak SealingThe whole capability in one place, with the work grouped.
See the capability →Contact BHI Coatings
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