The connecting way of the drive device and the air door of the smoke baffle is a direct connection type, which is directly connected with the air door body, and the protection level of the executor and the junction box is not less than IP65. The connecting rod mechanism is connected by a ball to ensure the rotation and no empty stroke, and the baffle on the same baffle gate is provided with good synchronization.

The installation of the flue damper is bolted flanged, and the reverse flange we provide is tightly connected to the flue and carries the load of the tailgate through the steel flue to the flue support. Horizontal arrangement of baffle spindle. The spindle is made of suitable steel, with an easily visible mark at the end of the shaft indicating the position of the bezel, and is provided with an interlocking limit switch. The driving device of the flue baffle plate is provided with a hand wheel, and can be operated manually when the driving device is powered off, and the hanger is arranged at the proper position at the outer part of the frame so as to facilitate the overhaul and installation.