Hot water pipe extrusion line New pp-r cool/hot water pipe extrusion line is mainly used in the manufacture of the pipes with various tube diameters and the wall thickness which have been widely applied in the aspects such as the residential water-supply system, industrial-purpose water conveyance etc.In the international tube developing history , pp-r are the latest popularized goods.They have the features such as low price , poison f¬cless, non-rust, heat-resistant, easy installation etc.The unit is mainly composed of the single screw extruder, vacuum forming table , spray box, extractor, stirring-up rack and so on