The dimensional data (size and thickness) of the RePad is determined by engineering calculations. If the joint requires reinforcement based on the results of the calculations process, a reinforcing pad, or RePad, is then required.Ī RePad is a reinforcing, doughnut-shaped, rolled plate designed to allow a branch to be welded to a main pipe by “replacing the area” of the main pipe that was cut out. Cutting a hole in a pipe to add a branch at that location, however, creates a high stress region at the cut location, and as such, the branch cannot be simply welded to the pipe without engineers validating the strength of the joint. In the oil, gas, and petrochemical industries, there are occasions when a branch pipe may need to be added to a main pipe.
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