Fire Rated Steel Roller Shutter Doors

Fire rated Steel Roller Shutter Doors are mainly used for fire separation areas in factory, warehouse, shopping centers and residential buildings. It is made from fire resistant steel slats, which can withstand high temperature and burning during fire accidents. And fire rating Automatic Roller Shutter Door have a fire-protection controller, which will control the door automatically close when fire accidents happen. Such auto closing program can be activated by Fire Control Center of the building, or directly by nearby temperature detectors or smoke detectors. After closed, the fire rated Steel Roller Shutter Doors will become a screen barrier to isolate fire and stop fire spreading. This create a temporary safe areas for people and property, and leave a time for escape and rescue. 

Fire rated Steel Roller Shutter Doors normally keep open in most cases. Only when a fire accident happens, it will automatically close to prevent fire from spreading. KENVO supply 3 Hour fire rating steel roller shutter doors. 

Fire rated roller shutter door slat is formed in a cold-processing machine line from original galvanized steel sheet and gradually deformed into lock-lock arc design. Slat is double-skin steel sheet. Surface steel sheet thickness is 0.6mm or 0.8mm per layer. Inside is filled with aluminum silica wool, which can withstand 1200℃ temperature, and insulate heat during fire accident. 

Self limit control device inside motor set controls running of doors precisely; Overload-protection program will stop motor from running when there is jamming or overheating, to protect roller shutter doors and avoid damages. 

Lifting capacity: 600KG to 2000KG.

	Bronze core, with stable current control and longer work life than regular aluminum core motor.
	Mechanical limiting relay control device with more accurate running control
	Low-noise and low friction type gear to guarantee smooth rotation

Something more:

UPS Power Battery： After power failure happens, you will be able to operate the roller shutter door like normal time. The UPS battery can allow a 10+ cycles of opening&closing.	Bluetooth controller:  Use your mobile phone to operate steel roller shutter doors while connecting bluetooth.	WIFI controller:   Connect steel roller shuter doors with your WIFI, then you will be able to control the door from anywhere far away.