... PVC plastic pipe machine is specializing in manufacturing PVC,CPVC and UPVC water pipes of different diameter and thickness. They are ... conical (parallel) double-screw extruder, vacuum sizing platform, tractor, cutting machine, stacker, etc. The conical (parallel) double-screw extruder and ... three-claw, four-claw, six-claw, etc. in terms of thickness and diameter of the pipe. The cutter has two modes ...