Pipe perforation device e.g. for defective heat exchanger pipes, has axially displaced operating element and radially pivoted cutting lever with perforation point penetrating pipeline wall

摘要

The pipe perforation device has a tubular body (1) inserted in a pipeline (52), containing an axially sliding operating element (2) and a cutting lever (3) with a perforation point (33), which pivots in the radial direction for penetrating the wall of the pipeline.