Ø20-Ø630 series PVC pipe extrusion line is mainly used in the manufacture of plastic PVC pipes with various diameters and wall thickness used in the industries such as agriculture and constructional plumbing, cable laying etc. This line is composed of conical twin-screw extruder, vacuum calibration tank, haul-off, cutter, stake and etc. The extruder and haul-off adopt imported AC frequency speed controller, vacuum pump and haul-off motor all adopt superior products. The haul-off method has two-claw, three-claw, four-claw,six-claw and etc.