The Sullivan Air Lift Pumping System

a more thorough mixture of the air and water, and exert a continuous upward pressure upon the ascending column. 3. rhe eduction pipe should be arranged to allow proper ex- pansion of the air so far as possible and to prevent excessive velocity as the point of discharge is approached. 4. An absolutely smooth passage for the air and water is essential. Even the swirl caused by the recess in a coupling, occurring as often as it does in a long string of pipe, will cause a considerable loss. 5. Proper proportioning of air and water pipes for the work to be done is very important. Detailed Description of the Sullivan Air Lift Pumps and Well Tops The Sullivan Air Lift Pumps, described below and illustrated on pages u to 14, will be seen to embody exactly the principles ex- pressed above; and the satis- faction they have given in actual practice under a wide range of working conditions, . bears out the claim made for them, that they comprise the most efficient apparatus yet devised for raising water by air lift methods. Tables of dimensions and weights appear on page 27. The Sullivan Standard Air Lift Foot Piece (Outside A ir Line) The Sullivan Standard Pump or Foot Piece, illust- rated on this page, is macle Sullivan Standard Foot Piece and Well Top, showing relative location of casing, flanges, et cetera il