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 590
ings, orpressure diaphragms. Check Valves. The simplest of all automatic valves is, of course, the check valve, whichopens whenever the unbalanced pressure below the valve is sufficient to lift it and closes whenthis pressure fails or flow starts in the opposite direction. These valves may be… … Fig. 24. Pressure Reducing V.\lve :Monash Class C-1. Fig. 23, where a reversible disc is shown. The valve in Fig. 22 can also be used in a verticalHne, while the one in Fig. 23 cannot. Pressure Reducing Valves. The reducing valves, which are very largely used in heatingwork whenever steam is…
Building · Heating · Ventilation
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