... process production line Features:This production line is composed of single screw stem extruder, vacuum shaping box, spraying cooling ... cutter, pilling frame, and also coordinated with different specification of moulds, to produce pressured water-supply, draining, gas, ... modelBXGE-63BXGE-110BXGE-250BXGE-400BXGE-630BXGE-800BXGE-1200Diameter of pipe(mm)20-6363-110110-250250-400400-630630-800800 ...