... , cooling machine, plastic feeder,conical twin screw extruder (or single screw extruder) ,machine head,Double-wall Corrugation Pipe forming machine ... corrugation Pipe. Technical parameters of forming machine for single wall corrugation pipe line: Forming machine noBW-I-13BW-I-36BW-I- ... 1.5BW-II-1500Shuttle50010001000-1200HDPE/PP0.1-1 PE ,PVC single-wall,double-wall corrugation pipe production line