How does this Safety device work?

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KentAT

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Northeastern PA
Saw this in the food court of a local mall. The area has a large central gas fireplace and this was on a nearby column about 8 feet from the edge of the fireplace.

Is this simply a valve used to directly cut off the gas? At the top of the column I did see that a black iron pipe ran down inside the column - most likely the gas to the fireplace.

Or would this be electrical in nature say, like going to a solenoid valve or to a FAP?

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kent
 
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Wild shot in the dark: appears to of the same design of a fire alarm pull station. Most likely a spst switch tied to a solenoid.
 
It could even control a gas-valve relay reset box, like used in commercial-kicthen fire-suppression systems.
 
Most likely a valve in the gas line that is exposed when the cover removed. Hospitals use similar setup for emergency interruption of oxygen and other gases.
 
sgunsel said:
Most likely a valve in the gas line that is exposed when the cover removed. Hospitals use similar setup for emergency interruption of oxygen and other gases.
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So, it just exposes a valve handle? Like this looks better??
 
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