... h 3,ISO,CE 4,Warranty:15 months PVC Pipe Plastic Machine Extrusion Line Specifications1.PVC pipe line is mainly used in ... water drainage pipe, electric conduit, etc., conical twin-screw extrusion equipment configuration of tubing, the corresponding mould, auxiliary equipment, ... can be used for rigid PVC pipe extrusion processing.2.Rigid PVC pipe equipment adopts SGC63-SGC630 and ...