Screw Conveyor 1, 168,219,273,323,407mm in diamater. 2, angle, ball joint and inlet flange ... flange is optional 3, selection of gear ratios A) High quality motor and gear box, with heavy duty design, ... transport and installtion.E) small diameter, great efficiency, high throughout rateswe also have many kinds of concrete mixers, for ... /750, JZM350/750...... concrete mix plant spare parts ,Screw Conveyor