t is a good choice to use this machine to clean the dirty attached on the inner side of the metal tubes. Cleaned by this machine the tubes can then be sent into next processing.

This machine uses the compressed air as its power resource. Its working procedure is that: the piston pushes the die cutting out a piece of a cylinder from a strip of the foamed plastic. The diameter of the cylinder is bigger than the inner diameter of the tubes. When the cylinder piece has been inserted into the tubes, it produces the pressure onto the wall of the tubes when passing through the tubes. Pushed by the compressed air the cylinder piece passes through the tubes cleaning the inner wall of the tubes.