Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 167
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 L 154 Steam Engineering in the low-pressure steam cylinders reduces the clearanceto the lowest possible amount. The water end is of the… … Fig. 61phantom 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…
