Pipe Freezing

Purpose: Pipe freezing is a fast, low cost, low risk method for isolation of a pipeline to enable maintenance operations, by controlled formation of ice plug inside the pipeline, using specialist equipment and techniques.

Method: Pipe Freezing involves using jackets fitted around the pipeline on either one or both sides of the work section, and introducing liquid nitrogen into the jacket to freeze the contents of the pipeline, thereby providing an isolation.

Sectors: Used in Power Generation, Oil and Gas, Refineries, Petrochemical industries.

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