The ROOTS™ RGS high vacuum boosters covered in this manual are intended especially for use in the first stage of a vacuum pumping system, in combination with a suitable fore-pump or roughing pump, to produce vacuum conditions in the micron range. It is not suitable for duty as a normal pressure blower.
Principle design features of the basic ROOTS™ rotary lobe blower are used in the booster. Two impellers are mounted on parallel shafts, and rotate in opposite directions within a cylinder closed at the ends by head plates. The impellers are positioned one above the other, while the cylinder has inlet and discharge piping connections located on opposite vertical sides.