... is composed of single screw stem extruder, vacuum shaping box, spraying cooling box, drawer, cutter, pilling frame, and also coordinated ... 400250-400400-630800-1200Length of vacuum sizing box (mm)40006000600060001200012000Length of spraying cooling box (mm)4000600012000180002400036000Caterpiller tread of quantity of ... Russia, Canada, Brazil, Iran, New Zealand and so on. HDPE Pipe Extrusion Machine