A liquid ring vacuum pump is easy to operate and is utilized in a number of applications across various industries. A liquid band pump works Vakuum Pumpe together with a sealant needed in its operation. This liquid could be water, oil or any various other solvent which is usually rotated by an impeller within the casing of the pump.

The typical oil found in a large rotary piston vacuum pump is a mineral oil that has been through a distillation process to lessen its vapor pressure. These vacuum pumps possess an ultimate vacuum, occasionally called “blank off” vacuum, of 0.010 Torr (10 microns, 1 x 10-2 Torr or 0.0133 mbar).