Get current pricing for Oem, Used 200 HP 12 Feed 200 Hp, 2300v-ac, 12 Feed Single Screw Extruder, Built By Welding Engineering, Inc, 1974. 12 Id X 22.5 Od X 142 L Liner. Enclosed Faulk Gear . Product Category: Process Equipment, Sub Category: Process Extruders: