Inlet and Outlet: The entrance is round and equipped with transparent windows to observe the flow of materials; the square shape of the exit increases the exit area and the materials are smoothly discharged. Pressure range: 0.5kg/c㎡ system pressure or pressure difference. Ordinary type: compact structure, small space occupation. Bearing installation location: The bearing is externally mounted, high temperature resistant type. Drive mode: Mainly motor direct drive. Material: carbon steel, cast iron. Motor power: 0.75kw. Volume: 3L. Reducer speed ratio: 43.