Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 167
es are of the rotative type, there being one steam valvefor the high-pressure cylinders, and two each for the low-pressure cylinders. The arrangement of two steam valves 154 Steam Engineering in the low-pressure steam cylinders reduces the clearanceto the lowest possible amount. The water end is of… … Fig. 61 phantom view of marsh independent steam pump The boiler pressure carried is 175 pounds per squareinch. The pump operates against a pressure of 225 poundsper square inch in the feed-water pipe system to the boilers.This feed-water system is provided with a relief valve, andthe pump is…