Advanced single screw concept The single screw extruder type EX1021 is state-of-the art technology, ensuring unique feed product quality at minimum operating costs. Key features: Capacity of 2-12 tph Controlled feeding of dry ingredients Optimum conditioning with steam and liquid addition Even flow rate to the extruder High extrusion flexibility and controllability The ANDRITZ extruders provide the latest technology for production of the most demanding extrudates in the aquatic feed and pet food industries.