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Fully automatic fire damper (The fully automatic fire damper and smoke exhaust damper can be opened and closed at 24V, without the need for manual reset on site, and are generally used in suspended ceilings and tall spaces.)
Positive pressure air supply outlet
2023-05-10Remote control multi blade smoke exhaust port
2023-05-10Circular fire damper
2023-05-10手動調(diào)節(jié)閥
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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