Milling device for pipe cleaning and sanitation technology

Milling device for pipe cleaning and sanitation technology, comprising an air driven milling motor having a first end, a second end, and a vertical axis, said milling motor mounted at said first end to a clamping body, a universal joint, a linkage for external manual control of the milling motor coupled through said universal joint onto said second end opposite said first end of the clamping body, wherein the milling motor is movable on said vertical axis at each of two spaced pivot points by a first piston in an infinitely variable radial movement, the clamping body having an H-shaped design and having a center portion and star-shaped second pistons for clamping an inner wall of the pipe, the first piston being freely rotatable and axially displaceable in the clamping body.