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)