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  • How to distinguish fire damper and electric fire damper
    Jan 16, 2018

    Electric fire damper are: fusible tube fuse action, the signal comes back, manual action, manual reset features exhaust and ventilation in the local dual function commonly used in general, the effect of ventilation pipes in normal circumstances, when When the fire broke out, the fire alarm system through the linkage, the fire damper makes the corresponding open or closed, then the effect of the exhaust pipe ducts to play.