Pneumatic suction conveyors are used extensively in the plastics industry to feed plastic granules and additives into processing equipment, usually extruders or injection molding machines. The system has many advantages: it is clean, efficient, reliable, requires little maintenance and does not cause excessive abrasion or breakdown of the raw material.
Pneumatic suction conveyors are relatively easy to reconfigure, which reduces the cost of production line alterations. Leftover plastic can be reworked by grinding and reintroduction to the conveyor line.
Recommended models for this application include Mink claw and R 5 rotary vane vacuum pumps, Samos side channel regenerative blowers and Tyr rotary lobe blowers.
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