automatic gas shutoff device

automatic gas shutoff device

In a gas-fired water heater, a device that shuts off the gas supply if the water temperature in the heater exceeds a predetermined limit.
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This document contains the most recent revision of the American Society of Civil Engineers' standard for earthquake-actuated automatic gas shutoff devices. The research underlying the standard focused on dynamic testing of current devices to quantify performance characteristics and investigation of the 1994 Northridge (Los Angeles) earthquake data on ground motions, structural damage, fire initiation, and actuation of existing earthquake shutoff devices.
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