Hot tapping, also known as pressure tapping or live tapping, is a method of creating a branch connection to a pipeline without interrupting the flow of the fluid or gas in the line. The process involves using a specially designed hot tapping machine to drill a hole into the pipeline, which is then sealed with a valve to allow for the installation of a new branch connection.

The hot tapping procedure can vary depending on the specific application and the type of pipeline being tapped. However, there are some common steps that are typically followed in most hot tapping procedures:

Determine the location of the tap: The first step is to determine the location on the pipeline where the tap will be made. This involves selecting a section of the pipeline that is accessible and has sufficient clearance for the hot tapping machine.

Prepare the hot tapping machine: The next step is to prepare the hot tapping machine for use. This involves assembling the machine and ensuring that all the necessary components are in place and functioning properly.

Install the hot tapping machine: The hot tapping machine is then installed on the pipeline at the location where the tap will be made. This involves clamping the machine onto the pipeline and ensuring that it is securely in place.

Drill the hole: Once the hot tapping machine is installed, the hole is drilled into the pipeline using the machine. The size of the hole will depend on the size of the branch connection that will be installed.

Install the valve: Once the hole is drilled, the valve is installed to seal the hole and allow for the installation of the branch connection. The valve is typically a ball valve or gate valve that is designed to withstand the pressure and flow of the fluid or gas in the pipeline.

Install the branch connection: Finally, the branch connection is installed using a flange or other connection method. This allows for the new line to be connected to the main pipeline and begin carrying fluid or gas.

Overall, the hot tapping procedure is a complex and precise process that requires specialized equipment and experienced technicians. When done correctly, it can provide a safe and efficient way to create new branch connections to pipelines without interrupting the flow of the fluid or gas in the line.

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