TDF unit is one of the two universal flange making systems in the world, with low cost, wel-seal and easy-fabrication, specially suitable to produce a duct with medium section area and applied in large-scale industrial manufacture. As a flexable machine, TDF will adapt to an auto line with a Pittsburgh lock machine, notcher and bending machine. It may also be used on site. TDF system is divided into three types: T-12、T-15、duplex machine T-150D. T-12, T-15 form one side into clip" ", and the other side into flange " " at the same time, and duplex machine T-15D forms both sides contemporary into a flange" ", TDF may be commonly used for its width ranges from 300 to 1530mm. Its maximum work speed is 6 m/min. Model: T-12 Motor: 3kw capacity: 0.8-1.2mm weight: 1400kg dimention size: length:2800mm width:700mm height:1000mm shape: flange and clip