Liquid detector for air pressure type fire sprinkler system

Communications: electrical – Condition responsive indicating system – Specific condition

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Details

340603, 73304R, 169 23, G08B 2100

Patent

active

048497398

ABSTRACT:
The detector includes an electrically conductive probe located within a drum drip adjacent the bottom end thereof, close to the conventional discharge gate valve. Water which accumulates in the drum drip makes contact with the probe, and a circuit is completed between the probe and the conductive wall of the drum drip. This circuit includes a local and/or remote alarm or indicating device.

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