Four Hours Rating Rolling Steel Fire Door / Gray Fire Rated Roller Shutter

Product Description

Super-grade Double-track Fire Roller Shutter Made of Inorganic Cloth

The super-grade fire shutter adopts a double-track structure, and the transmission mechanism uses a roller shutter to drive two parallel reels to take off and land at the same time, and a certain air insulation layer is left between the two curtains. The curtain surface is made of aluminum silicate fiber cloth and coated with a rubber layer with enhanced fire resistance. On the surface it is covered with a thermal radiation cloth. The interior is filled with aluminum silicate fiber blanket to enhance the thermal insulation performance. The refractory time of the roller shutter is more than 4 hours. The average surface temperature rise is less than 55.6 degrees, and the single point maximum temperature rise is below 63.6 degrees. Fire roller blinds have the functions of hand, electric control, linkage control, automatic lowering, etc., and can choose a variety of colorful decorative clothes according to user requirements, which provides convenience for Integration into the environment.

Technical performance:

The fire resistance duration is longer than 4 hours, the highest single point temperature of the backfire surface is 63.5 degrees Celsius, and the average temperature of the backfire surface is 55.6 degrees Celsius. Wind pressure resistance meets the requirements of GB14102-2005;

Opening and closing speed: 2m-7.5m/min.

Features:

Low operating noise;

Great Reduction of The Project Cost Thanks To Removal of Water Curtains;

Good appearance decoration effect and Convenient Construction.