Application: It is mainly used in producing various diameters and wall-thickness of PVC pipes for agriculture and constructional plumbing, electrical conduit etc. Features Our PVC pipe extrusion machine has features of low energy consumption, high output, stable running etc. The standard PVC pipe extrusion machine include: material feeder, SJSZ series conic twin screw extruder, mould, vacuum calibration tank, spray cooling tank(for big pipe), haul-off, cutter, stacker/automatic belling machine.