Hot Tapping is a method of safely drilling or cutting into a pressurized system while it is on stream and under pressure.
Line Stopping is the process of inserting a plugging head into a pipeline to temporarily block the flow of product or to isolate a section of pipe, thereby stopping the downstream flow of the product, allowing safe draining and intervention into the downstream side of the stop.
Pipe Freezing utilizes the contained flow of liquid nitrogen to create an “Ice Plug” in the line, allowing the downstream side to be drained and depressurized. This allows for safe intervention into the system for repairs such as valve removal or pipe cutting.
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