Popularly known as pressure tapping, hot tapping and line stopping is the process of incorporating a junction to existing pipelines or vessels without the need of emptying the connected section of pipe or the vessel.
In simple words, it is a method to connect the existing pipeline without shutting down the entire pipeline system. The first step in hot tapping line stopping employs a hole-saw to make a hole in the pipe into which a secure head is inserted. It also allows pressure to be contained, vented, and removed from a live system. There are numerous advantages of using this system and it allows for uninterrupted operations since pressure is completely contained.
The system is capable of handling various applications at one time. It is only limited by the amount of pressure that has to be maintained; it means if a method to contain the pressure is available, practically a hole of any size can be cut into the pipe.
Usually, hot tapping and line stopping is done on materials such as carbon steel, stainless steel, cement lined pipe, fiberglass, or plastic pipes.
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