Supply BS476 Standard Inorganic Fiber Cloth Double Guide Special Class Rolling Shutter Fire Rating Update 4 Hours

Supply BS476 standard Inorganic fiber cloth Double guide special class rolling shutter fire rating update 4 hours  Features & Benefits of Rolling Door: 1.Scope of application: Logistics Corridor, indoor partition, outside diameter of 20 square meters in area within and outside the door, with insulation, dust, noise abatement, and the next flavor, high efficiency, the largest application of 10000mm*7000mm. 2.Material for framework :general type :all the main steel structure used cold-rolled steel sheet (2.5mm thick paint cold-rolled steel sheet processing ). Alloy type :Column aluminum profiles (surface antioxidant treatment). Stainless steel type :all the main use stainless steel structure . 3.Wind pressure Performance : 1)door hangings equipped with a wind-aluminum alloy ,the size of wind pressure by wind-election to the number of wind-The more wind pressure greater performance . 2)the Japanese all -1.5mm transparent PVC film Perspective window ,increase the safety and convenience of management . 3)ub-aluminum alloy with enhanced wind resistance ,also has draperies section features removable update.4.1.Opened with the closing speed of (0.8-1.5m/sec), high-frequency HF opened (800-1000)/day.1)For installation in fire rated vertical wall or horizontal ceiling.  2)Fire rating: 1-1/2 hour B label for walls (maximum temperature rise after 30 minutes 250°F/139°C, after 60 minutes 450°F/250°C), and Warnock Hersey label for ceilings 1 hour combustible rating and 3 hour non-combustible rating.  3)Material: 16 gauge (1.52mm) steel frame and 20 gauge(0.912mm) satin coated steel door panel 4)Insulation: 2"thick fire rated mineral wool 5)Hinge: flush continuous piano hinge 6)Lock: selflatching flush key or ring knurled knob operated slam latch, with automatic closer and interior latch release mechanism. 7)Interior panel release and automatic panel closer are standard on all doors 8)Finish: high quality grey powder coating. 9)Packing:1 piece per box.