China Industrial Automatic High Speed Performance Rolling Shutter Fire Door, Find details about China Industrial Rolling Door, Automatic Rolling Door from Industrial Automatic High Speed Performance Rolling Shutter Fire Door
Surface treatment | be treated with galvanizing or baking oil |
Refractory limit time | 3h |
Opening and closing speed | 5.6-6.4m/min |
Material | steel |
Operating noise | 71db |
Curtain protection | Water spray system |
Application | Commercial Building, Industrial Building, such as hotel, underground garage |
Opening Type: | With Remote Control |