Patent No.:01243874 • Special single screw extruder for polyolefin, having high extruding velocity and effective plasticization. • Separation mixing screw specialized for polyolefin. • Specially designed three co-extruding die, reasonable channel, smooth outside and inside wall, and little internal stress. • Producing pipe limitΦ20-Φ160mm, manufacture velocity up to 16 m/min. • May be used to produce HDPE silicon core tube, ordinary PP-R, PE and PEX pipes. • Low cost: The cost of nanometer & anti-virus pipe is merely increase 5-10% on the ordinary pipe basis. About The main technique parameter Plaese visit our website : http://www.gzplasticmachinery.com/pp-r-pe-pipe-production-line.htm