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Steel Fireproof Roller Shutter

Elements of Zhongwo steel fireproof roller shutter 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 fireproof 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

Tolerance of Curtain Length: 0(Standard:±2.0mm)

Tolerance of Curtain Width: +0.3(Standard:±1.0mm)

Tolerance of Curtain Thickness: +0.3(Standard:±1.0mm)

Tolerance of Rail Slot Depth: +0.4(Standard:±2.0mm)

Tolerance of Rail Slot Width: +0.6(Standard:±2.0mm)

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.

Henan Zhongwo Fire Science and Technology Co., Ltd, founded in 1995, is a rapid expanding manufacturing company in fire door industry. After 24 years development Zhongwo has become a leading fire door manufacturer all over in Central China. We are always keeping good cooperation relationship with many high-end real estate builders such as Green Garden and Evergrand and many reaseach institutes such as The Architectural Design And Research Institute of Henan Province. And we have always been enjoying good reputation around our partners domestically and internationally.

Our factory concentrate on the production of all kinds of fire doors from different materials such as galvanized steel, pine wood, chinese fir wood, 201/304 stainless steel and also fire resistant floating glass. Steel fire door is our highlight product, with advanced surface treatment such as powder coating, heat transfer printing and copper wiredrawing we win great advantage for our steel fire doors of high wear tolerance,high decoration performance, anti-damp performance and anti-rusty character and so on. As far as wooden fire door is concerned, we have painting free wooden fire door series, baking paint wooden fire door series and refuge room wooden fire door series.Now we can supply more than 100,000 fire door sets a year in our more than 50000㎡ existing workshop. We also have a new factory under construction which covers a field of 30 arces in Minquan of Shangqiu City,which is 200km away from our existing factory. By then our annual production ability can reach 300,000 fire door sets.

Our production ranges also to fire roller shutters, fire windows and smoke curtains of various customized sizes, colors and materials.

Zhongwo attaches great importance to technical explore and development of new products and technik. We organize a specialized technical panel who all have more than 8 years of R&D experiences in fire door industry for development of new products and technik. Thanks to their hard work we can lauch more than 5 patents a year.

Zhongwo always adheres to the value system of “creating value for customers, building platform for employees and developing brand for Zhongwo”. Under such value system, Zhongwo keeps looking for excellent partners to influence ourselves to become better. We keep striving in order to be a fixed star in the development history of door industry.