Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 213
at pressure of 20 pounds. The method of installing an electric vacuum pump of the preceding type for an air linesystem in connection with a low-pressure steam heating plant is shown in Fig. 19. The water driven type of exhauster for small and medium sized systems is shown in Fig.20 as well as the… … DIRECT STEAM HEATING 203 Air Line Valves. Automatic air line valves are similar to ordinarj automatic air valvesexcept that they do not provide for automatic closing in case water from the radiator entersthe valve. These valves maj^ be of the expansion post or expansion chamber type, and two ofthe…
Building · Heating · Ventilation
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