Amill Gravity machine; is a machine which classifies according to specific weight of products. It is used for separating light and heavy materials from the products inside of cereals and pulses. It separates hollow particles, which are the same size as the product to be cleaned, fully undeveloped crumpled particles and foreign faded substances at different densities from inside of the product and increases quality and purity of the product. As a system, we have 2 different models working as open and closed circuit.