Screw made of special steel is with nitrogen treatment, durable.Jacketed type barrel can be cooled for cooling the rubbers effectively.Double head strainer to be quickly and easily exchanged.Smoothly running and high output.Equipped with die-head auto opening system when electric power is cut off. Model XJL-160XJL-200XJL-220XJL-250XJL-300Screw diameter160200220250300Screw L/D ratio141416 or141812Rotation Speed6055443326Power75kW DC90kW DC110kW DC160kW DC220kW DC Capacity360800-10001800-20002100-26002300-2800