Sturgeon food extruder pfish feed-fish feed pellet machine food extruder EM 5000. counter-rotating twin-screw. Output: 2,000 kg/h. Screw diameter: 200 mm. The Extruder mod. EM 5000 is a machine suitable for the production of cylindrical products having weights from 300 gr to 10 kg (according to the cheese length) and, eventually, also higher weights.