Generally used on the air pipe of the smoke exhaust system, usually closed, the smoke sensor sends a fire alarm signal in the event of a fire, the fire control center will open the valve through DC24V voltage to exhaust the smoke, but also manually open the valve, manually reset. After the valve is opened, a signal can be sent to the fire control center. It can also be interlocked with other equipment upon request. The smoke exhaust valve can be combined with the common shutter tuyere or plate tuyere to form a smoke exhaust port. Smoke exhaust valve is generally composed of valve body, blade, actuator and other components.

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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