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Unique Group Completes Pipe Freezing Project at Burj Khalifa

Above: Pipe Freezing carried out to replace a faulty valve on a 25-bar line

Unique Group’s On-Site Engineering division, represented by the Wellube brand, has successfully completed a Pipe Freezing project at Burj Khalifa, the tallest building and the tallest structure in the world.

The scope of work involved the isolation of 12” chilled water line by the pipe freezing method to replace a faulty valve on a 25-bar line. The process enabled client to run the other part of the cooling plant without any interruption.

Pipe freezing is a proven isolation technique used to modify pipelines, replace defective valves or add new ones. The technique eliminates the need for expensive fluid discharging and recharging, and minimises system shutdown time.

Unique Group’s On-Site Engineering division also offers pipeline services such as Hot Tapping & Line Stopping, On-Site Machining, Under Pressure Leak Sealing, On-Line Valve Maintenance among many others. To know more about our services, please email

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