HDPE Gas Water Pipe Extrusion Line, Model LSG150/33,Diameter range 400-800mm,Co-extruder ... /25,Line speed 0.1-0.5m/min. HDPE water gas/water pipe extrusion line designed and manufacyured by Leader Machinery based on ... advantages,it is the first choice of city gas and water transmission pipeline. HDPE Gas Water Pipe Extrusion Line