In case of fire, the smoke (temperature) sensor sends an electrical signal (DC24V) through the control center, the electromagnet action valve in the actuator automatically closes, and outputs the closing signal, and the valve can be remotely electrically manually closed; The valve is reset manually after operation. When the temperature rises to 280℃, the fuse will close and the valve will close automatically. The smoke exhaust fire valve is generally composed of valve body, blade, actuator and temperature sensor.

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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