... The unit consists of conical twin-screw extruder, vacuum calibration tank, haul-off, cutter and stacker etc.3, ... pipe production line etc.Brife introducePVC pipe process flowFeeder → Mixer → Feeder → Extruder → Mould → Vacuum tank → Haul-off → Printer → ... screw extruder1set3PVC pipe Molds 90,110,160,225mm1set4Vacuum Calibration and cooling Tank1set5Three claw Pedrials Hauling off Machine1set6Automatic ...