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 594
Fig. 26. Interiob of the Erwood Swing-Gate Valve. The Dotted Lines ShowTHE Swing-Gate Partly Open. PIPE, FITTINGS, VALVES, COVERINGS AND ACCESSORIES 567 Ordinary plug cocks (Fig. 28) on blow-off lines are satisfactory for low pressure heating work,and specially designed cocks or asbestos-packed… … Fig. 26a. Application of Erwood Swing-Gate Valve.
Building · Heating · Ventilation
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