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 597
Fig. 31. Hot-Water Radiator Valve Fig. 32. Quick-Opening Hot-Watek Radiator Valve. … Fig. 33. Sylphon Packless Radiator Valve. The Lavigne packless radiator valve (Fig.34) represents another type of packless valves,in which a permanent hard-rubber packing isused to prevent leakage at the spindle and acompression spring is used to hold the packingtightly against finished bearing…
Building · Heating · Ventilation
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