Unlike the mandrel bending machines the machine type "rotation" bends without a mandrel the radii are larger and depend on the wall thickness of the pipe. The bending radii are listed in the table. For each pipe diameter you will need a suitable bending template, it is possible to program several bending angle and process the programming consecutively. The programs can be stored. The models "rotation" the bending can be triggered with a foot pedal. The best results are usually achieved with annealed tube.