Big Stores Overhead Fire Door , 3 Hours Factories Steel Roll Up Doors

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

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

The curtain surface is made of 3cm thick ceramic fiber cloth, and reinforcing steel belt is inserted inside of the cloth, so that the inorganic cloth fire roller shutter can achieve the same fire level like a steel Fire roller shutter.This product has many advantages such as light surface, smooth operation and low rolling noise.

Technical Performance:

Fire Resistance Performance:

A. Fire Integrity: 3h

B. Heat Insulation: 52℃(Average Temperature Rise on the Back Surface:≦140℃ ); 76℃(Highest Temperature Rise≦180℃); 28℃(Highest Temperature Rise on the Guide Rail≦180℃)

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)

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

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)

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.