Cyclopedia of heating, plumbing and sanitation; a complete reference work . the least resistance to the flow ofsteam or water. When the radiators are butlittle above the water line in theboiler, gate valves are frequentlyused on the returns to insure aneasy flow of the water. It seems hardly necessary to point out that a globe valve should be connected in the pipe with its stem horizontal, to avoid the water pocket which occurs when the stem is vertical; nevertheless fitters frequently overlook this point. Several patterns of radiator valves are shown in Figs. 50, 51, Fig. 62. Solid Die. 268 S
Cyclopedia of heating, plumbing and sanitation; a complete reference work . the least resistance to the flow ofsteam or water. When the radiators are butlittle above the water line in theboiler, gate valves are frequentlyused on the returns to insure aneasy flow of the water. It seems hardly necessary to point out that a globe valve should be connected in the pipe with its stem horizontal, to avoid the water pocket which occurs when the stem is vertical; nevertheless fitters frequently overlook this point. Several patterns of radiator valves are shown in Figs. 50, 51, Fig. 62. Solid Die. 268 STEAM AND HOT WATER FITTING 45 52, and 53. These valves are of brass or composition, rough bodynickel-plated, have wood wheels, and are provided with a union. Theangle valves are commonly used on first-floor radiators, those on floors
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