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
t designs makes a perfectlj^ tight joint at the spindle againststeam water and air. The Sylphon packless radiator valve (Fig. 33) makes use of an expandingbrass belloVs which entirely encases the spindle of the valve so that there is no opening or packedbearing at any point. The bonnet is secured…
Building · Heating · Ventilation
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