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SealiQ™

Reduce emissions. Maintain reliability.

A sustainable service solution for installed assets

Today's challenges

SF₆ leaking flange creates operational and regulatory risks:
Increase environmental
compliance risk
Potential contamination of
gas compartments
Unplanned outages and
revenue loss
Limited maintenance windows
delaying permanent repair

SealiQ™

Reduce emissions. Maintain reliability.

What it is

Hitachi Energy’s sustainable service offering provides ​an external sealing system designed to contain SF₆ flange ​leakage while maintaining equipment performance.​

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What it enables

Rapid containment of
SF₆ flange leaks​
No need to open or modify
gas compartments​
Maintains equipment integrity
and system performance​
Enables continued safe and efficient operation until permanent repair is planned

Reducing emissions while keeping assets in operation​

A quick step to reduce SF₆ emissions from installed assets​

Simple, structured and expert-driven application​

SealiQ is a practical step on the sustainability journey, addressing today's SF₆ leakage challenges while supporting the transition toward more sustainable and eco-efficient grid technologies.