Liquid Ring Water Vacuum Pump Vacuum Pump Working Basic principle. The vacuum pump consisting an impeller which is situated eccentric to 
the cylinder body(Vacuum pump casing). Vacuum is established in the vacuum pump by utilizing a liquid seal. … When the impeller begins to rotate, the liquid can be begins move outward by centrifugal pressure.
Water band vacuum pump is a common kind of liquid ring vacuum pump. Water band is certainly a rotor with multi-blades eccentrically set up in the pump shell. When it rotates, it throws liquid into the pump and forms a liquid band concentric with the pump shell. The liquid ring and the rotor blade form a rotating variable capability vacuum pump with periodic quantity change. When the working liquid is drinking water, it is called drinking water Ring vacuum pump. There are numerous kinds of water band vacuum pumps with different prices. .Included in this, 2BV is more cost-effective. The sort selection of water band vacuum pump should be based on your on-site procedure, the required vacuum degree and the amount of air pumping required.