... making machine 1.180-500kg output 2.16-630mm water pipe 3.high speed 12m/min 4.PLC control system PVC pipe making ... machineSJPGZ Series PVC/CPVC Plastic Pipe Extrusion LineIntroductionSJPGZ series plastic pipe extrusion line is ... parallel) double-screw extruder, vacuum sizing platform, tractor, cutting machine, stacker, etc. The conical (parallel) double-screw extruder ...