Dosing screw conveyors are used horizontal conveying of dust materials or less angular. Purpose of the conveyors are dosing a mineral to somewhere at process. The name is coming from purpose of the screw conveyors. Capacity of the conveyors from 70 lt/h to 3500 lt/h. For more than this capacities other type of the screw conveyors can use. Types and capacities are as below.