BDW series roof fan (explosion-proof roof fan)
Address: Wucheng County Economic Development Zone, Dezhou City, Shandong Province Contact: Manager Dong Mobile: 18605344116
Phone: 0534-6065024
Fax: 0534-2178521
Email: dzdongrun@126.com
QQ: 1204918973
Multi-leaf air outlet
Multi-leaf air outlet
product description

Multi-leaf aluminum alloy air inlet fire damper is used in the air supply and return air pipes of ventilation and air-conditioning systems. It is normally open. When a fire occurs, the gas temperature in the pipe will automatically close when it reaches 70 C. Meet fire resistance stability and fire integrity requirements, play a role in smoke and fire.


  • related ַƱ