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Multi leaf smoke exhaust outlet (Multi leaf smoke exhaust outlet is usually installed in the aisle or smoke prevention front room, usually closed. In case of a fire, the smoke detector sends a fire alarm signal, and the control center connects an electrical signal to the solenoid on the valve to quickly open the valve. It can also be manually opened for smoke exhaust.)
Positive pressure air supply outlet
2023-05-10Remote control multi blade smoke exhaust port
2023-05-10Circular fire damper
2023-05-10手動(dòng)調(diào)節(jié)閥
2023-05-10Fully automatic fire damper
2023-05-10Smoke exhaust and fire damper
2023-05-10Air volume control valve
2023-05-10Fire damper
2023-05-10Square check valve
2023-05-10electric control valve
2023-05-10
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