1,production line for Pvc large diameter 2,max diameter 630mm 3,single screw 4,model:GF630 5,capacity:450kg/h Features and applicants:GF series plastic pipe production line is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the aspects such as the agricultural and constructional plumbing, cable laying etc. thin set is composed of the ...