Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 53
r a low-pressure system, but attachedto the end of the pipe as it enters the expansion tank is a safetyvalve B and a check valve A, as indicated in the enlarged 42 MECHANICS OF THE HOUSEHOLD figure of the valve. The safety valve is intended to allow thewater to escape into the expansion tank when… … B W 7 ^ ^. if 1 ^ Fig. 34.—The high-pressure system of hot-water heating. Suppose that such a system is working as a low-pressure plant.The hot water from the top of the boiler is flowing to the radia-tors through the supply pipe and the displaced cooler water isreturning to the bottom of the…
Heating · Lighting · Plumbing
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