Plastic Pipe Production Line, PVC pipe production line, PVC pipe extrusion line The SJGF-250 Pipes Production Lines are mainly used for the u-PVC water pipes extruding, and the pipes diameter range from 110mm-250mm. The whole production line includes the following major parts: 1. SRL-Z300/ 600 mixing unit 2. SJSZ-80/ 156 PVC conical twin screw extruder 3. PVC pipes moulds 110-250mm 4. vacuum moulding machines 5. hauling off machine 6. pipes cutting machine 7. stacker 8. pipes crushing machine 9. PVC milling machine