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Positive pressure air supply outlet (Positive pressure air supply outlet is used for pressurized air supply in the event of a fire. Through the positive pressure air supply outlet, it will continuously supply air to the front chamber, maintaining positive pressure in the front chamber and ensuring that smoke does not spread in this area, providing space for people to escape.)
Remote control multi blade smoke exhaust port
2023-05-10Circular fire damper
2023-05-10手動調節(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
2023-05-10Multi leaf smoke exhaust outlet
2023-05-10electric control valve
2023-05-10
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