电动防火阀 排烟防火阀 正压送风口（加压送风口） 排烟口（多叶排烟口）安装方法和注意事项
Installation method and precautions of positive pressure air supply port (pressurized air supply port) smoke exhaust port (multi-leaf smoke exhaust port) of electric fire valve smoke exhaust and fire valve
Before installing the valve body, check the shape of the valve and the operation mechanism is intact and the action is flexible. After confirming that all aspects of the valve are normal, install the valve.
When installing smoke exhaust valve and smoke exhaust fire prevention valve, one side of the valve body should be reserved, and the net space should be no less than 350 mm in general, so as to facilitate regular operation test and inspection.
Valves should be opened regularly before or after installation. It is recommended that the valve be opened every six months to one year. Action test includes the use of telecommunication signals to open or manually open the valve. After the valve is operated, there should be an output of telecommunication signals.