Magnetic pulley, also referred as pulley magnet, is generally installed on the end of conveyer belt and suit very well to automatic separation of iron scuff, plate, block or other ferromagnetic material in large batch of dry material like grain, mineral, gravel, plastic, wood, cullet and wastage. Magnetic pulley can utilize either sintered ferrite magnets or rare earth permanent magnets. The maximum magnetic field strength can reach 15000 Gauss. The surface material of magnetic pulley can select from 304 and 316 stainless steel which has excellent corrosion resistance and no pollution. Both ends of pulley magnet can connect with electric motor. Magnetic pulley can form an automatic separation system after combining with the conveyer belt.