Smoke damper classification have? Normally open, 70 degrees is closed, usually installed in the duct through the firewall, fires off the role, you can set the output electrical signal, the temperature exceeds 70 degrees when the valve is closed, circular smoke damper, linkage to send (s) Fan Close ; 2. smoke fire control valve, normally open, 70 degrees closed, with 1, but more an electrical signal input, remote control can eliminate the control room is closed, generally used for peacetime air, fire up a common air duct system, fire You can control when off unneeded air make room; 3. normally open type smoke damper, 280 degrees fuse closed, normally open, output electrical signal, and one that is similar to electric smoke damper, but with different fusing temperature, generally used in fire exhaust pipe through the firewall, the flue gas temperature over 280 degrees automatically blown off, you can turn off the exhaust fan interaction. Axial fans, very versatile, is with the shaft in the same direction of the air flow blades, such as fans, air conditioning unit axial fan is run fan. It is called "axial flow" because the gas flows parallel to the fan shaft. Axial fans typically used in flow and pressure higher lower requirements. Axial fan fixed location and air movement. Axial fan is mainly composed by the fan impeller and casing, remote control smoke damper, simple structure but the data is very high, the difference between the fire damper and smoke damper: exhaust fans are smoke control system in the fire system, It is generally linked with the fire alarm host. Setting smoke damper in exhaust fan and exhaust pipe connections, not the end in the exhaust pipe set exhaust valves, exhaust valves and pay attention to the function smoke damper is completely different device. Exhaust valve usually normally closed, opened fire, and alarm host linkage, open the condition that an outbreak of fire alarm system (detector alarm), fire alarm host into automatic mode, exhaust valves open automatically start linkage exhaust fan. Smoke damper is usually always open, but also turned a fire, smoke damper Mengzhou, when the flue gas temperature reaches 280 ℃, the exhaust damper automatically closes, the linkage has been opened fan stops running. Smoke fire damper, smoke damper Mengzhou, friendship through air conditioning (view) provided by the Texas Air Conditioning Equipment Co., Ltd. Tong Yi. Texas Air Conditioning Equipment Co., Ltd. Tong Yi (www.yitongkongtiao.com) is a professional "fans, exhaust fans, wind chassis, aluminum outlet," the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "Yi Tong" brand has a good reputation. We adhere to the "service first, customer first" principle, so that friendship through the air conditioning has won the trust of customers all of the fan, ventilation equipment, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!