In case of fire, the smoke (temperature) sensor sends an electrical message (DC24V) through the control center, and the electromagnet action valve in the actuator automatically closes and outputs the closing signal; Valve can be closed manually, or 70℃ fuse action closed. The valve has six levels to adjust the air volume switch; Manually reset the valve after operation. Fire valves are generally composed of valve bodies, blades, actuators and temperature sensors.

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  CCCF certified products

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  CMA metrological certification

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  National quality supervision, inspection and certification

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  China recognizes the joint symbol of international mutual recognition

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  China recognizes the joint symbol of international mutual recognition