Factories and Big Stores, Warehouses Super-grade Double-track Inorganic Fire Roller Shutter Insulated Fire Shutter

Super-grade Double-track Inorganic Fire Roller Shutter(Roller Type)

Super-grade Double-track Inorganic Fire Roller Shutter(Roller Type) has many advantages such as light surface, smooth operation and low rolling noise. It is widely used in fireproof partition and division of all kinds of industrial, civil and public buildings requiring measurement of the temperature of the back surface of the fire and places with low requirements for wind resistance, such as offices, supermarkets, commercial buildings, exhibition halls, underground garages and entertainment venues etc.

Technical Performance:

Fit Surface Length of Smoke-proof Device of Guide Rail: 93%(≧80% of the Guide Rail Length)

Spacing of Steel Parts Embedded in Guide Rail: 740mm(Standard:600-1000mm)

Vertical Tolerance per Meter of Guide Rail: 1.0mm(≦1.5mm)

Vertical Tolerance of Guide Rail: 10mm(≦20mm)

Reel Deflection: 1/2059(Standard:<1/400)

Smoke Leakage of Curtain Surface: 0.05m³/(m².min)

Height Difference between two Curtain Surfaces: 8mm(≦50mm)

Noise: 76dB(Standard:≦85dB)

Electric Opening And Closing Speed: 5.6m/min(Standard:2-7.5m/min)

Self-weight Drop Speed: 5.9m/min(Standard:≦9.5m/min)

Fire Resistance Duration: Class TF3, 3h

Breaking Strength of Fabrics of Inorganic Curtain Surface(Standard: Vertical≧600N; Crosswise≧300N):

A. Glass Fiber Decoration Cloth: Vertical 665N, Crosswise 396N

B. Fire Cloth: Vertical 848N, Crosswise 466N

C. Radiation-proof Cloth: Vertical 867N, Crosswise 456N

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

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

Splint Spacing: 500mm(Standard: 300-500mm)

Depth of Guide Rail: 55mm(Standard:>50mm)

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.