... .0 Consist Machine Parts Specification. 2.1 With this extrusion line can produce different single plastic corrugated pipe with different forming ... ,make sure the quality of extrusion.extend of the extruder life 2.3 The whole machine equiped with the PLC system ... hard pipe units, profiled bar units, PVC granulator units, SJW series single-screw extruders, 3.3 As well as these production ...