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 146
shall have a check valve, and also a stop valve between the check valve and the boiler. BOILERS AND RULES FOR CONSTRUCTION 133 58. When there are two connected boilers (gravity return system), a check valve and a stopvalve shall be installed in the branch pipe to each boiler, as shown in Fig. 35.… … Bottom ,Blow-off ^\ Valve - - ^v Boiler 1 » 1 Stop Valve Fig. 35. Proper Arrangement of Blow-Off Connections to Two Boilers Operated on Gravity Return System. exclusively, and the safety valve is set to blow at 15 lb. or less. The horsepower of any boiler,whose safety valve is set to blow at over…
Building · Heating · Ventilation
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