Product Name: smoke dampers FFJF24 / 0.3-7070 automatically closes the valve and self-locking system for controlling exhaust gas temperature of 280 degrees close DC24V power and alarm equipment close linkage opening angle (0-90 degrees) can be adjusted manually closed, Output signals Fire Action thickness L = 320 mm control supply voltage DC24V ± 10% BEH70 of fire dampers, flow <= 0.3 smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, Picture damper, fire damper installation location, wiring diagram 280 degrees fire dampers, exhaust fans, diffusers, air valve, positive pressure blower, air flow control valve, damper prices, flue damper dampers, spiral duct, electric air valve, valve actuators, Siemens damper actuators, valve selection and installation, valve manufacturers, valve legends, outlet valve, manual valve, pressure delivery valve 70 degree damper features: 1 . 2.70 ℃ in an open state of the valve automatically closes BEH280 damper, manually shut down, manual reset DC24V power valve closed 3. vanes 0-90. 4. stepless valve is closed, the output of the closing operation of telecommunications and other equipment interlock 5. Control Power: Voltage DC24V ± 10%, the current electrical schematics Mitsuke ≤0.5A 6. After double micro switch schematics smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers picture, fire dampers installation location, wiring diagram 280 degrees fire dampers, exhaust fans, diffusers, air valve, positive pressure blower, air flow control valve, damper prices, flue damper Xiyang damper | BEH70 of fire dampers | Hao Yang air conditioning equipment (high-quality businesses) are provided by the Texas Air Conditioning Equipment Co., Ltd. Hao Yang. Hao Yang Texas Air Conditioning Equipment Co. (www.dzapjt.com) is specialized in "fan coil units, air, mixed flow fan, FRP fan, fire dampers, air-flow valve" of the enterprise, the company adhering to the "honesty, hard service" philosophy, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr Zhu.