... double-wall corrugated pipe production line, can production of PVC, PE double-wall corrugated pipe, production diameter range of 63mm-600mm. Molding machine with ... are online reaming, reaming machine. Double-wall corrugated pipe production line mainly including extruder, molding ... ventilation systems, cable sheathing.PVC, PE double-wall corrugated pipe production line specifications: Φ90-Φ160, Φ ...