The active smoke curtain is a kind of fire-fighting equipment with fire-proof cloth as the main smoke-blocking component, combined with other components: power supply, control box, motor, reel, etc., to achieve the function of descending when there is a fire, and automatically pull back when there i

What is the basic funtions of smoke curtain?1-Manually control the upward, downward and stop functions of the smoke curtain2.Automatically working:a. When the smoke curtain controller receiveds the action signal of the smoke sensor, it will automatically descend to it's working position.b .When t