PVC pipe priduction line plastic machine Large diameter PVC pipe production line is complsed of couical double screw exruder,mould,vacuum molding,cooling water tank ,haul-off electric control system,SWP 360 crusher,SRL-1500 hot adn cool mixer,spare parts and so on. All contrnous trouble free operation ,all units integrated design the host and the auxiliary work at the same time, production of pipes with high efficiency,high performance,high stability.