Admitted the possibility of a short high-temperature air is not large, so why use the 280 degree heat of it. Consider draw more good than harm. Should look beautiful 280 degree smoke damper valve, the reason is very simple, mechanical Natural smoke when the wind is not up to 280 degrees is also just do not make the wind. And just like talking about the upstairs smoke damper, should all complement wind up new wind from the outside, does not contain smoke, even temperatures above 100 degrees also to air, otherwise the smoke is not working, 100 degrees Air no effect on the promotion of fire, people still can stay in a couple of Baidu dry air into it. In order to maintain the unity of smoke damper specification authentic wholesale adapt to the development of building technology, better play the role of fire, air damper control system can do the following provisions: electric damper control methods should be linked to: fire - probe (or otherwise) alarm - confirmed the fire - cut off the power and close the non-fire-related fire dampers and smoke dampers. We believe damper smoke dampers, smoke dampers, crossing the important room on the return air duct, duct dampers on the inlet and outlet of the room, through the fire district's fire damper must be set up in several places. smoke damper mechanism, Chifeng smoke damper, intellectual property rights provided by the manufacturer Hongxin air conditioning equipment. If you have any questions about this information or consultation, please contact us now! Our Company Name: Texas Hongxin Air Conditioning Equipment Co. (www.hxktsb.com) Contact: Yuan Qingxiang, or click on "Business League call" direct dialogue with us!