... SJZ Series conical double screw extruder is specialized in extruding PVC pipe production line. it only change the mould ,it can produce all different ... has been used for many fields. Pipe diameter from 50-160mm. If you want to know more about the production line.pls contact us ... Mould specificationΦ50,Φ63,Φ75,Φ90 mm one setΦ110,Φ114,Φ125,Φ160,Φ168 mm one setEach size with three thickness,And ...