Product Name: smoke fire control valve · DC24V input signals, solenoid operation, the valve automatically closes. · 70 ℃ temperature sensor operation, the valve automatically closes. · Manually shut down. · Output off signal or interlock control signal. · Manually adjust the blade angle, five-speed adjustment amount of wind. · Operating voltage: DC24V + 10% 280 damper, -15%. · Working current: ≤0.3A. · Temperature sensor is 70 ℃ fusible sheet. Such as the use of shape memory alloy 70 ℃ temperature sensors, please indicate in the design and ordering. · Amount of air leakage: the national standard (see test report). Insulation resistance:> 20M refractory time> 90min · corrosion resistance and reliability in line with the national movement. 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, damper prices, flue damper, Air Conditioning Equipment Co., Texas Hao Yang www.dzapjt.com fully automatic fire dampers FFFZD24 / 0.4-70 function * for ventilation system dampers, 70 ℃ the valve automatically closes. · Exhaust system for fire dampers fdsh, 280 ℃ Qu valve automatically closes. · Manually shut down and reset. · Opening angle (0-90 ℃) can be adjusted manually. · Control center DC24V power control turned off, reset. · Output signal sfdy damper valve action, linkage and related equipment. · Control supply voltage DC24V ± 10%, the current ≤0.4A. · Can be equipped with a separate control box, to achieve remote control. ? You can control more than one series. · There is complete motor protection device. Central air conditioning vent size, swirl diffusers, air outlet, return air, central air conditioning vents, aluminum outlet, outlet size, ventilation, air outlet, casual flow, seal, abs outlet, factory outlet; 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 pressure blower, air volume regulating valves, dampers price, flue damper Hao Yang air conditioning equipment (Figure), fire dampers fdsh, Jiaonan dampers from the Texas Air Conditioning Equipment Co., Ltd. Hao Yang provided. Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.com) adhere to the "people-oriented" business philosophy, has a professional staff, and strive to provide the best products and services to contribute to the community, and to welcome new and old customers to visit us, sincere cooperation for a better future. Hao Yang air conditioning equipment - your trusted friend, Company Address: Dezhou Economic Development Zone, Contact: Mr Zhu.