... blade with double-pitch design without material jamming.Application of screw conveyor :Screw conveyor is widely used in various industries, such as ... , without dust leakage, safe and reliable.2. using a forming screw blades, welded to the center tube, it can be completely ... -8(9)LSY300-9(12,15)Metric diameter of screw (mm)160160185185237305Length of screw conveyer (m)2.54.568(9)8(9 ...