Improvements in or relating to combined water gauge and short water alarm for steam boilers

摘要

459,423. Indicating liquid levels. EL DIN EL SHAFIE, S., 19, Kait Bay Street Heliopolis, Cairo. April 15, 1936, No. 10857. [Class 123 (i)] A gauge glass C is attached to a boiler by fittings A, B containing a check valve a3 and ball valve b3 respectively, and is connected by passages e1, f1 with a chamber E containing a float e2. The float carries a needle valve e3, which, when the water falls below a predetermined level, allows steam to pass through a passage f 2 to an audible alarm H.