China Exterior Cold Storage Commercial Roll up Metal Fireproof Thermal Insulated Automatic Roller up Sectional Door, Find details about China Garage Door, Entrance Door from Exterior Cold Storage Commercial Roll up Metal Fireproof Thermal Insulated Automatic Roller up Sectional Door
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Item | Description |
Material | SUS 304 Stainless Steel,Aluminium Alloy,Color Coating Plate |
Mateiral Thickness | 0.45mm / 0.326mm |
Thickness of Panel | 40mm / 50mm |
Width of Panel | 430mm / 550mm |
Density of Sandwiches | 48kg/m3 ±2 |
Thermal Insulation | 1.9W/(Sqm.K) |
Wind Resistance | Beaufort scale 11, 28m/s |
Noise Level: | ≤60db |
Fire Retardation: | Class A |
Speed | 0.2-0.4m/s |
Max Dimension | 12m * 8m |
Steel cord | Flexible ,3.8mm |
Power Supply | 380V 50Hz / 220V 50Hz |
Service Life | 10 years |
Emergency Operation | Manual Hoist Chain |
Balance System | a.Balance the weight of door through the torsion spring b.Easily manual operation c.Reduce motor load greatly d.Prolong the service life of the motor |
Safety | Airbag protection, door anti-fall device, wire rope anti-break protection device. |