... h! 3.Speed of screw: 209r/min! 4:IS09001 LSY series screw conveyor is a new ... .Good seal performance, good transportation efficiency!3.Flexible technological arrangement, easy to be installed , ... includes:clay powder, pulverized coal, cement, sand, grain, smallpiece of coal , cobble, and cast iron ... or from cement warehouse to compounding machine in concrete mixing plant. LSY219 Spiral Screw Conveyor for ...