||width * height 12000mm*8000mm
|Opening and closing speed
||Standard lifting, high lifting, vertical lifting
||Control box, remote control
||Electric and manual
1. Door plate
Two layer 0.4mm galvanized steel plate, filled with environment friendly polyurethane plate complying with international environment protection treaty 141B, with features of high density, high strength, heat insulation and preservation.
Total thickness: 40mm (standard) or 50mm (optional)
Heat preservation performance: heat conducting parameter ≤4.5W/m. h
Sealing performance: air transmission≤.5m/m.h under 50pa pressure.
Wind resistance parameter:450N/m2
Fire retardation:Class A
Surface printing layer:30um
2. Automatic/ manual dual operation mode
When power is off or faulty, it can be turned on or off by manually operating the chain. The balanced torsion spring system conteracts most of the tension at the opening. It can be opened with a little force by hand ( 180N) or easily opened with a hand chain.
3. Balance spring
Spring brake device :anti-broken
Service life:100 thousand opening and closing
Chosen according to door size, weight and lifting pattern.
4. Accident-dropping safety device
Equipped with dropping avoiding steel cord at the bottom, to secure the accident dropping within 5cm
5. Guide rail
Special design three angle wheel brace secure smooth rolling of wheel
Noise level ≤60db
6. Spring broken safety device
7. Spring axis
Industrial class 25.4mm steel bar
Features and application
Sectional door has a beautiful appearance, high strength, low noise and insulation properties, making it widely used in areas with high cleanliness requirements, such as factories, military, medicine, food, electronics, Printing, supermarkets, etc.