... QVC vacuum convey:QVC-1,2,3,4,5,6,7,8 2.Certificate: ISO9000-2001, CE, EU support 1.QVC vacuum convey:QVC ... -1,2,3,4,5,6,7,82.Certificate: ISO9000 ... and free from vibrationEnergy saving and low running cost.QVC conveying system consist of material container, pipeline, vacuum ... /h)air pressure(Mpa)air consume(l/min)QVC-13500.4-0.6180QVC-27000.4-0.6360QVC- ...