Understanding Dry Rotary Vane Vacuum Pumps A Dry Rotary Vane Vacuum Pump is a compact yet powerful device designed to create vacuum without using oil inside the compression chamber. This is achieved through a rotor placed inside a cylindrical casing. The rotor carries sliding vanes that move with rotation, trapping and compressing air pockets, which are then expelled to produce vacuu... https://nbmercantile.com/vacuum-solutions/