Leadership

Final Report of Committee on Private Fire Protection Service, A. W. W. A.

Issue 10 and Volume 66.

Final Report of Committee on Private Fire Protection Service, A. W. W. A. (Continued from page 452) Third. Install an alarm valve equipped with a pressure recording gauge and a small bypass meter, as indicated in figure 2. Fourth. Seal all yard hydrants, valves on hose outlets on stand pipes, and other outlets connected with the sprinkler system. Fifth. Arrange for systematic weekly inspection of the alarm valves and monthly inspections of all seals on hydrants, standpipes and sprinkler system valves. An alarm valve is nothing more than a check valve arranged with a clapper which, when raised a slight distance from its seat, opens a port which is connected with a small pipe on the outside. This small pipe connects with a hydraulically operated circuit closer, which in turn operates an alarm bell. The circuit closer is operated by the water pressure in the service pipe which is transmitted…

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