Sectional Garage Doors with Breakage Protection for Safety
Industrial Sectional Doors for Factories and Hangars
Sectional roller shutter doors feature wide panels that can be customized with windows or steel sections. When retracted, these doors roll up flat against the ceiling, offering space-saving operation suitable for nearly any installation condition.
Box-shaped edge banding with connecting hinges for embedded track installation
Spherical vinyl resin sealing strips for superior weather protection
Torsion spring balance system with steel cable breaking device for safety
Technical Specifications
Parameter
Value
Thermal conductivity
0.38 W/mc
Acoustic insulation
24dB (DIN52210)
Fire resistance
B2 (DIN4102)
Standard wind load
450N/m²
Key Systems
Motor Transmission System: Industrial-grade motor with reduction gear, three-phase asynchronous motor, brake system, and manual operation chain mechanism.
Control System: Features digital signal processing, phase sequence protection, overcurrent protection, and vector frequency conversion for smooth operation.
Fail-Safe Protection: Includes torsion spring break-proof system, wire rope anti-break device, safety pressure switch, and infrared safety sensors.
Product Images
Frequently Asked Questions
What is the minimum order quantity?
No minimum order quantity. We recommend using wooden crates for shipping protection.
How are product sizes determined?
We provide professional recommendations and drawings based on your specific requirements.
Are samples available?
Yes, samples are available for quality checking.
How do I get pricing information?
Please provide exact dimensions and quantity for a detailed quotation.
What payment terms do you accept?
We typically accept T/T (Telegraphic Transfer).
Can we visit your factory?
Yes, our factory is located 2.5 hours from Shanghai Airport. Visitors are welcome.