Field convertible valve and sprinkler system

Details Field convertible valve and sprinkler system Field convertible valve and sprinkler system

2009-01-26

2011-11-08

Boeckmann, Jason (Department: 3752)

Fire extinguishers

Fluid systems

Distributing systems

C169S017000, C169S019000, C169S020000

Reexamination Certificate

active

08051915

ABSTRACT:
A fire suppression sprinkler system convertible between a wet and a dry mode of operation is disclosed. The system features a field convertible valve having a bypass loop with a bypass valve for selectively configuring the valve for wet or dry mode operation. For dry mode operation, the bypass valve is open. The field convertible valve also has a system actuator, a gas control valve and a water supply shut-off valve which are open in the dry mode. In the wet mode of operation, the bypass valve is open and the gas control and water supply shut-off valves are closed. The field convertible valve operates in a latch mode controlled by the system actuator in the dry mode, and as a flapper valve in the wet mode of operation. A method of converting the mode of operation of the sprinkler system is also disclosed.

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Victaulic, Series 751 FireLock Alarm Check Valve, IPS Carbon Steel Pipe Fire Protection Products 10.30, Jul. 2002. pp. 1-8.

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