Automatic air release system with shutoff valve

Details Automatic air release system with shutoff valve Automatic air release system with shutoff valve

2005-08-09

2005-08-09

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

C137S199000, C137S202000

Reexamination Certificate

active

06926023

ABSTRACT:
Systems and methods are provided that allow for the continued operation of a fire sprinkler or standpipe system after the failure of an air release valve, wherein connected to the air release valve is a system that collects and contains fire extinguishing liquid leaked from an air release valve, as well as being able to detect and stop such leaks that could not be contained by the system.

REFERENCES:
patent: 4104004 (1978-08-01), Graef
patent: 4708157 (1987-11-01), Sabatino
patent: 6024116 (2000-02-01), Almberg et al.

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