The drive motor type D 50 is designed to expand and roll tubes in heat exchanger, condensers, coolers ,etc. When the adjusted torque is applied the motor shut off automaticly. The adjustment of the correct torque value will be settled by a spring adjusted clutch an secured by a set-srew. The low weight and the flexible handling al- lows a wide range of technical applications. For reproducable processes it is essential to have as follows points fixed,

air consumption permanent 1.700 l/min., permanent high pressure 6.2 bars, maintenance unit (oiler filter pres- sure valve) applied.