Double-Wall Corrugated Pipe Production Line .Double-Wall Corrugated Pipe Production Line is fully computer controlled ,automatic(200-600)HDPE/PVC corrugated pipe production line.According to materialproperties,you can choose high efficient single-screw extruder for HDPE.You can choose conical twin-screw extruder or parallel twin downstream equipments for PVC.The forming system of this line consists of mould and corrougator.The mould blocks can be easily changed and they may have air or water cooling system.The belling process can also be cutting machine.The production line can also be equipement with company logic control system. Model BW-IV BW-IVA Power 11kw 15kw Mold configuration 200-400mm 300-600mm Mould material Special aluminum alloy Special aluminum alloy Mold perimeter 7m 7m Way of cooling Air cooling Air cooling Production speed 0.5-2m/min 0.5-2m/min Mainframe choice SJSZ92/188 onical twin-screw extruder SJSZ92/188 onical twin-screw extruder