... : DN12-DN100 1). Diameter: DN12mm-DN100mm 2). Mill Length: 4m-8m 3). Hydraulic pressure: 3.5-4.5MPa ... or automatic controlStraight tube length: ≤1800mmExpanding medium: emulsified liquidForming speed:8-28seconds per convolutionMolds and water injection head: DN200,250, 300 ... ,350,400,450,500,550,600mm Flexible Metal Tube Making Machine