Oerlikon leybold vacuum india offers a wide range of advanced vacuum solutions for use in manufacturing and analytical processes, as well as for research purposes. Oerlikon leybold vacuum india the company offers manufactures oil oil diffusion diffusion pumpspumps, model dip that come is incorporated with the following features: pumping speed 3,000 to 50, 000 i/s; operating range < 10-2 to 10-8 mbar; constantsteady pumping speed at a wide pumping speed range; stable high fore vacuum stability; no wear due to revolving components; stable high fore vacuum stability; long maintenance intervals; and no wear parts.