Prokop eltex [ india ] pvt. Ltd., the sister concern company of eltex group of companies manufactures and exports precleaning screen separator. The precleaning screen separator is generally used for cleaning and grading of grainy, dry and gravity flowing materials by means of a set of sieves. The machine works with a closed re-cycling air circuit with limited air exchange from the outside. It is applicable mostly in precleaning sections of flour mills and other plants where grainy materials should be graded and cleaned from fine and coarse admixtures and impurities. The features of the products are as follows.