Feature: pp-r pipe extrusion line 1.This single cod extruder for polyolefin, having high extruding velocity and effective plasticization. 2.Separation mixing cod specialized for polyolefin. 3.Specially designed three co-extruding die, reasonable channel, smooth outside and inside wall, and little internal stress. 4.Producing pipe limitΦ16-Φ160mm,manufacture velocity up to 12m/min. PVC pipe extrusion linePVC pipe extrusion line