Automatic Ventilation Damper Size: Avaliable Function:sends out"close"signal and interlocks with the fire fighting center

Automatic Reset Fireproof Windport Ventilation Damper Usage:the windport is used on the windpipe inlet/outlet of the air conditioning and ventilation system that has fire prevention requirement. It is normally open, but closes automatically at 70 centigrade.

Functions: 1, when temperature reaches 70centigrade , the temperature sensing device reacts and the damper closes automatically.

                 2, sends out"close" signal and interlocks with the fire fighting center.

                 3, the damper resets automatically under the normal temperature (70centigrade below) without any need to replace the temperature sensing element.

                 4, adjust the flow equalizing sheet manually to change the direction of the air flow.

KCHKZ 70 Automatic Reset Fireproof Windport Ventilation Damper