1. The main control parameters for the selection damper specifications. 2. damper suitable for ventilation and air conditioning systems, Wuhan damper suppliers, in addition to public buildings, kitchen hood system with dampers, operating temperature of 150 ℃, the general ventilation and air conditioning systems with fire dampers operating temperature of 70 ℃. 3. The damper is suitable for pipe ventilation, air conditioning or exhaust system, the basic functions and scope of Table 1.4. Selection valve should pay attention to the function of the valve, normally open or normally closed, shut down automatically open, manually close open , manual reset, signal output, remote control and other requirements. 5. If the valve and fan interaction should be used with double micro-switch device. 6. The valve should be steel blade thickness of 2 ~ 6mm, the body of non-combustible material, rotating parts should be corrosion-resistant metallic materials, and flexible rotation. Shall not be less than the thickness of the valve housing 2mm. Yi Rong parts shall comply with recognized standards of the fire department. Fire damper is installed at the entrance to the fan exhaust system and ventilation and air conditioning systems use either, usually in a "normally open" state Wuhan damper manufacturers, ventilated, when the pipeline flow when the temperature reaches 280 ℃ temperature Wuhan dampers, valves by fusible metal temperature fuse action and automatically shut down, cutting off airflow to prevent the spread of fire. Wuhan Han Wei Li Yuen-being of Equipment Co., Ltd. is a professional constant pressure water equipment, air valve, fans, diffusers, air, plenum chamber muffler production and marketing in one of the science and technology enterprises. Wuhan smoke damper | damper | Wuhan Han Wei Wei Li Yuen provided by Wuhan Han Liyuan heating equipment Limited. Wuhan Han Wei Li Yuen-being of Equipment Co., Ltd. (www.whhwly.com) strong, credible, in Wuhan, Hubei fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Wuhan Han Wei Li Yuen and you hand into the brilliant, for a better future!