The Sullivan Air Lift Pumping System

The Sullivan Standard Well Top The Sullivan Standard Well Top (see pages n and 12) consists of flanges to seal the top of the casing, a water discharge nipple and umbrella separator, with jamb nut, and also with stuffing box for the air line, with air line nipple, back outlet elbow for gauge connection, and adjusting mine cock. The Sullivan Central Air Lift Foot Piece The Sullivan Central Pump or Foot Piece, illust- rated on this page, is made of bronze, and consists of a perforated tube. It is suspended from the central air pipe, below a throat, and has wings to center it in the discharge pipe. The air is broken up into small jets by the perfor- ations, insuring a perfect mixture, or emulsion, of the air and water, and in- creasing the velocity in the throat to pro- duce an ejector effect. By having a large number of holes in the mixing tube, the mixture is automat- ically made to con- tain more or less air, depending upon the lift,, without change Sullivan Central Foot Piece and Umbrella Well Top; the flange shown at the foot of this cut and at the foot of the cut on page 11, is not a part of the equipment 13