... 24 hours Easy installation JQT-4000-C Vortex Pump Air Blower Bombas Side channel vacuum pumpSide channel vacuum pump ... spreading of these pumps to many applications:aeration in waste water treatment stations,bubble aeration of whirling baths,drying ... equipment, film machinery, paper transporting, clothes dry-cleaning, rinsing, air cleaning, pneumatic conveying, material conveying, collection and so on. ...