... /h 4.CE and ISO9001 Features and application of u-pvc pipe extrusion line :The SJZ Series conical double screw extruder is specialized in ... Φ50,Φ63,Φ75,Φ90 mm one setΦ110,Φ114,Φ125,Φ160,Φ168 mm one setEach size with three thickness,And three ... stroke switch soleplate, to provide the fixed lengthcutting signalPictures of PVC pipe production line: high efficiency 50-160mm u-pvc pipe extrusion line