Fire and smoke control valve (ordinary) Size Size (A × B × L) rectangular: 200 × 200 × 220 ~ 2000 × 1250 × 220 round: Φ320 ~ Φ1600, thickness: L = 320 special specifications can be customized. Fire dampers, spiral duct, electric air valve, valve actuators, Siemens valve actuators, valve selection and installation, valve manufacturers, valve legends, outlet valve, manual valve, pressure delivery valve; 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 smoke damper how many products? Smoke damper divided into several product? Damper and smoke damper differences? Fire and Smoke Products Classification - Class 1 exhaust, exhaust port The exhaust port: electric, manual or remote control to open the valve plate discharges far, and exhaust fan interaction, 2800C closing device can be set for row smoke on the ceiling or wall area of ??2, exhaust valve Exhaust valve: electric or manual opening plate discharges actuators, and exhaust fan linkage opening for exhaust duct system 3, smoke damper Smoke damper: electric or manually open, 2800C blown exhaust port closure plate installed at the entrance to the exhaust fan suction pipe 4, exhaust window The smoke exhausting window: rely on smoke control action, the electric is turned on, can also be remotely turned on, with the natural smoke on the exterior wall at the smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers pictures, damper installation location, wiring diagram 280 degrees dampers, smoke fan, diffuser, dampers, positive pressure blower, air flow control valve, damper prices, flue damper, Air Conditioning Equipment Co., Texas Hao Yang linzhang plate discharges plate discharges _ _ Hao Yang remote control valve air conditioning equipment (certified merchants) are provided by the Texas Air Conditioning Equipment Co. Hao Yang. Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.com) is specialized in the "fan coil units, air, mixed flow fan, FRP fans, dampers, air flow control valve" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr Zhu.