COB Industries, Inc.

COB Industries Accu-Freeze (LN2) Pipe Freezing System

The patented Accu-Freeze™ system is the most advanced pipe freezing system in the world. It utilizes liquid nitrogen in a controlled and automated system to safely and reliably freeze static liquids in a selected section of pipe or tubing. The standard Accu-Freeze™ AF1000 Kit is used to create an in-line ice plug capable of withstanding 2000 PSI in pipes up to 12 inches in diameter and can be modified to handle even larger diameter jobs. Ice plugs (or 'freeze seals') temporarily isolate sections of pipe for as long as necessary, allowing repairs or modifications to be made without shutting off or draining down the entire system

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