HDPE large caliber gas duct and water pipe of HDPE large caliber gas duct and water pipe production line has the features of great rigidity and softness, heatproofing, aging resistance and high intensity of mechanization, anti environmental effect, moving resistance and heated connection. So they become the first choice for gas and water transportation in cities and play an important role in gas and water pipe supply system in cities. Feature of production line: HDPE large caliber gas duct and water pipe production line is a new type of pipe production line developed by Qingdao Fushun Plastic Machinery Co.,LTD by absorbing the newest advanced technology. It adapts to high extruding of material like PE,PP,PB,PERT,ABS and so on. It has beautiful appearance, high automation, stable and reliable production. It is widly accepted by lots of customers and is the best choice to replace the advanced imported production line. Rapidly and effectively extruding single-screw extruder is designed specially for extruding PE material, assorted with low-noise wind machine and high speed hard -gear side speed-reduction box. The special open trough and cover with oil cooling system improves the compressibility and increases the ability of replenishing so that it improves the output. It has specially designed high output screw, can melt in low temperature, good plastification effect and great effect of energy-saving.