... Model :LSY 160 LSY 200/250 LSY Screw Conveyor1. The conveyor adopts high quality seamless tubes for good ... , safe and reliable, without dust leakage.2. One-process forming screw blade is welded to the central tube perfect balance. Double ... ,273,323 and 407 are ready for supply, and the dimensions and angles can be customized.8. Assembled with standard parts ...