... HDPE Gas Water Pipe Extrusion Line, Model LSG150/33,Diameter range 400-800mm,Co-extruder model LSJ40/25,Line speed 0.1-0.5m/min. HDPE water gas/water pipe extrusion line ... stable production,well received by the customers.Pipe produced by the line has excellent hardness and flexibility,heat resistance, ... is the first choice of city gas and water transmission pipeline. HDPE Gas Water Pipe Extrusion Line