Acme Air Equipments Company Pvt. Ltd.-an ISO 9001-2015 company- offers a proven, versatile and precise Oil Sealed Vacuum Pump. This is generally most adopted type of Vacuum pump in the industry for producing pressures up to 5X10-3 mbar in single stage and 5X 10-4 mbar in two stage execution. The mechanism, which is lubricated by oil, consists of a stator and an eccentric rotor. The rotor has two vanes in diametric slots. These vanes are held apart by a spring. The rotor completes the suction and discharge in one sweep. A non-return valve at the discharge port prevents back flow of air (gas). Some of the features which ensure protection of oil sealed vacuum pump as well as trouble free running are described below.