... is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the ... Extruder, Plastic Extruder, Pvc Pipe Line, Pvc Pipe Extruder, Pvc Pipe Production, Pipe Extrusion Line, Pvc Extrusion Line, Pvc Pipe Production Line, pvc pipe making machineNO. ... 1set 6. Conical Double-Screw Extruder 1pc 7. PVC Supply-Water Pipe Mould 1set 8. Vacuum Calibration Tank ...