... to operation 3.High ouput. Product DescriptionPE pipe extrusion line/HDPE pipe making machinery is used to produce PE pipes ... vacuum feeding machine, hopper dryer, single screw extruder, mould, make line co-extruder, vacuum calibration and cooling tank, extended spraying cooling ... quality PE pipes. 4. High automatic level. The production line is controlled by PLC(touch screen). All parts, like extruder ...