qvc vacuum conveyor machine, qvc vacuum conveyor
2019-7-10 · QVC-1 Structure: Working Principle. When “ON/OFF” button is pressed, compressed air gets into vacuum generator and the discharge of the hopper, driven by pneumatic cylinder, is closed. Vacuum is established in hopper. Thus, an air current is formed under vacuum. Operated by this air current, material is conveyed to vacuum hopper via hose.
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