... of PVC,LDPE and HDPE thermoplastic corrugated pipes. The set,SJ65x25 Extruder,moulder of corrugated pipe, molds of pipe parison, wind-cooling unit, ... Internal Diameter Being6mm – 110mmPair of Mold Block42Pipe StateSingle-Wall Corrugated PipeDrawing Velocity2 – 10m/minCooling Mode of Mold BlockWINDCooling Mode ... W x H)7500mm x 1600mm x 1700mm Extruding Plastic Corrugated Pipes Production Line