This Gentec oil-sealed liquid ring system is water-less, therefore eliminating the user's concerns with the sometimes substandard water quality causing the corrosion of a vacuum pumps internal parts. A liquid ring vacuum pump is the system's heart, which can take a slug of water without damage. This system are free of vibration and run smoothly and quietly as well. It utilizes the design features of both a liquid ring and a rotary vance vacuum pump.