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 381
upport the Vento heaters as shown. This permits a slight movement ofthe several sections of the heater due to expansion. The nipples, connecting the units, are made of such lengths that the spacing, center to cen-ter of units, may be 45^, 5 or S^g, as may be desired. The clear or net free area… … Fig. 19. Note.—The sections of the Vento heater bear the trade names of 30, 40, 50, 60 and 72-in. sections, which aremerely general designations and do not stand for the exact measurements of length. TABLE 7 RATIO OF HEATING SURFACE TO FREE AREA. REGULAR VENTO SECTIONS, 5 CENTERS Length of Unit / =…
Building · Heating · Ventilation
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