Description of SBG500 HDPE/PP Double Wall Corrugated Pipe Extrusion Line: Diameter scope: (ID) 200mm-500mm Double wall corrugated pipe line Features: The corruated pipe production line is developed with the ninety times advanced technology of West Europe by our company. The machine is equipped with double tube single-control stainless steel spraying shaper to form a production line. It avoids a waste condition when one tube is adjusted and the other one is affected. The auto single-control double haul off and cutter are combined with the front shaping technology to make operation more flexible. Let you enjoy economic benefit which is brought about by separately control double-tube extruding. It can make fully use of the extruding capacity of the extruder. Even if it produces small diameter pipe,it can get great output,too.