Bulk material movement made easy Pneumatic conveyors use air as a force to transfer the material. The quantum of force to be applied depends on the product and its properties. Since hot or cold air can be used in the pneumatic conveyors, additional drying or cooling effect can be provided. SAKA’s pneumatic conveyors can be used with spray dryers and best result can be achieved if ambient air is used giving dual effect of conveying as well as cooling the material.