Vacuum pumps are simply compressors that take in gas at a pressure lower than atmospheric pressure, compress it, and discharge the gas at atmospheric pressure. Since gas at low pressures has a large volume, vacuum pumps tend to be bulky.

Removes all air from refrigerant tubing to create a vacuum environment before the tubing is charged with refrigerant gasBuilt-in metal mesh filter prevents vacuum pump oil from scattering from exhaust port, Drain port with valve allows for easy change of vacuum oil pump.Valve prevents securely oil back flow. For additional information regarding the product, please contact with dubuy support team.