... feeder,conical twin screw extruder (or single screw extruder) ,machine head,Double-wall Corrugation Pipe forming machine,plastic pipe belling ... PE,PVC plastic double-wall and single-wall corrugation Pipe. Technical parameters of forming machine for single wall corrugation pipe line: Forming ... -1500Shuttle50010001000-1200HDPE/PP0.1-1 PE ,PVC single-wall,double-wall corrugation pipe production line