The GA533 rolling curtain smoke hanging wall is separated between the underground and large space smoke exhaust system in civil air defense engineering and high - rise buildings .When the fire control center sends an alarm signal or directly accepts the " smoke sense " signal , the shutter smoke hanging wall placed above the ceiling quickly drops to the set height , forming a separation of the smoke area .The high temperature smoke is discharged from the smoke exhaust fan , creating an environment and time for the rescue and evacuation of personnel in the fire alarm area .GA533 rolling curtain smoke hanging wall is installed in the decorative ceiling , well concealed ; with automatic power failure , elimination control linkage and smoke signal driving function , which can ensure normal use in any emergency state.
