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 231
Fig. 43. Dunham Thermostatic Traps. Fig. 41. TABLE 15CAPACITIES OF DUNHAJSI TRAPS SizeNos. In. Capacity,Direct Radiation,Sq. Ft. Pipe Connection, In. Weight,Lb. Diameter of Port, In. Lift,In. 1 I., 100 3.50 450 1500 3000 V, 1 1321 1 2 y, 1, 3 B.T. U 3/l0 B.T. 1 Note.—These traps are designed for… … Fig. 45. Application of Dunham Radiator Trap. The Dunham blast trap (Fig. 46) is equipped with a removable hard rubber disc, which iscarried in a self-aUgning holder to permit of more perfect closing of the valve should the verticalaxis of the bellows not be exacth^ perpendicular to the valve seat.…
Building · Heating · Ventilation
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