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Use of smoke exhaust fire damper
2022-12-20 16:44
1. It is normally open. In case of fire, it will be closed when the flue gas temperature in the smoke exhaust pipe reaches 280 ° C, and meet the requirements for smoke leakage and fire resistance integrity within a certain period of time, playing the role of smoke separation and fire resistance.
2. The valve can be closed by DC24V power supply (electric smoke and fire damper).
3. Manual shutdown or manual reset.
4. After closing, DC24V electric reset (fully automatic smoke and fire damper, applicable to places where it is not convenient for people to operate).
5. The output valve closing signal can be interlocked with other fire protection equipment.
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