Fire dampers, duct damper suppliers, the company welded duct dampers and product specifications from Φ100 ~ Φ2000 ~ Φ3000, oval duct product specifications from H200 ~ H1000. Material can be cold plate, galvanized sheet, stainless steel plate. Divided single exhaust, smoke, dust, exhaust air duct and double insulation. Widely used in electronics, food, medicine, biology, chemistry, precision machining, venues, exhibition halls and other engineering systems. The company's products are straight, 45 ° elbow, 90 ° elbow, T tee, pants tee, cross, head size, valve, hemispherical dome, saddle interface, flange, blind, middle connector and so on. Fan coil units, air damper 150 ℃ NO LCD thermostat duct damper, glass blower, air flow control valve, Air Conditioning Equipment Co., Texas Hao Yang smoke fire control valve (common type) main functions, features 70 ℃ fuse action, the valve automatically shuts consumer control center DC24V electrical issue, quickly close manual valves shut off the output signal, interlock to turn on the fan to stop manual reset manually adjust the amount of wind. Smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers pictures, damper installation location, wiring diagram 280 degrees dampers, exhaust fans, diffusers, dampers, positive blower, air flow control valve, fire dampers price, flue damper 150 ℃ normally open damper, wen'an fire dampers, air-conditioning equipment by Hao Yang Hao Yang Texas Air Conditioning Equipment Limited. Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hao Yang air conditioning and you hand into the brilliant, for a better future!