Zowor Door Industry Co., Ltd
Make Zhongwo a fixed star in the development history of the door industry.
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Steel Fire Roller Shutter Roll Down Fire Door Made of Steel Steel Fire Resistant Roller Shutters
Roll Down Fire Door Made of Steel
Elements of Zhongwo roll down fire door made of steel such as curtain plate, guide rail, seat plate, crossbar, door body are all made of steel material. And its door winder and control box can also meet the requirements of fire -resistance integrity. The fire roller shutter is a kind of fire proof and heat-insulation device suitable for buildings with large openings. The scroll of the roller shutter is hidden designed with characteristics of reasonable and compact structure, flat appearance, novel shape, strong rigidity and so on.
Technical Performance:
Fire Resistance Duration: Class F3; 3h
Curtain Linkage: 1(Standard:≦2)
Rail Slot Depth: 55mm(Standard:>50mm)
Tolerance of Rail Parallelism: 1mm(Standard:≦5mm)
Spacing of Steel Parts Embedded in Guide Rail: 800mm(Standard:600-1000mm)
Vertical Tolerance per Meter of Guide Rail: 0.8mm(Standard:≦1.5mm)
Vertical Tolerance of Guide Rail: 8mm(Standard:≦20mm)
Reel Deflection: 1/1700(Standard:<1/400)
Deflection of Curtain Center: 25mm(Standard:≦45mm)
Wind Pressure Resistance:784Pa
Noise: 79dB(Standard:≦85dB)
Electric Opening And Closing Speed: 5.7m/min(Standard:2-7.5m/min)
Self-weight Drop Speed: 5.8m/min(Standard:≦9.5m/min)
Material of Curtain Plate: 0.8mm Galvanized Steel Strip
Thickness of Curtain Profile: 15mm
Material of Guide Rail: 1.2mm Galvanized Steel Strip
Material of Seat Plate: L40×4mm Angle Steel
Length of Reel: 3400mm
Material of Reel: Φ140mm Welded Pipe
Scope of Application:
Zhongwo steel fire roller shutter is widely used in public places such as large supermarket, shopping malls, large material market, exhibition halls, factories and big stores, warehouses etc.