LSY series screw conveyer 1) important part for concrete mixing plant 2) high quality,high efficiency 3) competitive price LSY series screw conveyor is ... various dusty, grainy, small lumpy bulk materials such as clay powder, coal ash, sand, grain, small size coal, cobbles and cast ... (12,15)Metric diameter of screw (mm)160160185185237305Length of screw conveyer (m)2.54.568(9)8(9)9(12,15 ...