DuraVane lubricated rotary vane vacuum pumps:single-stage pumps with an integrated oil-recirculation system, used in a variety of industries such as vacuum packing, lifting, chucking, paper converting, electronics, printing, biotech, laboratories and hospitals. DuraVane lubricated rotary vane vacuum pumps for saturated air (wet) service are specifically developed for applications with high inlet water vapor content such as stone.