Sectional Garage Doors with Excellent Sealing and Insulation Performance
Industrial Sectional Doors for Factories and Hangars
Sectional roller shutter doors feature wide customizable panels that can combine windows and steel sections. When retracted, these doors roll up compactly against the ceiling, offering space-saving operation suitable for nearly any installation condition.
Premium Insulated Construction
Our industrial sectional doors feature:
Double-layer sandwich construction with hot-dip galvanized steel plates
40mm thick polyurethane insulation core for superior thermal performance
Box-shaped edge banding with embedded track connection
Comprehensive weather sealing with spherical vinyl resin strips
Robust torsion spring balance system with 30,000+ cycle durability
Technical Specifications
Parameter
Value
Thermal conductivity
0.38 W/m·K
Acoustic insulation
24dB (DIN52210)
Fire resistance
B2 (DIN4102)
Standard wind load
450N/m²
Key Systems and Components
Motor Transmission System:
Industrial-grade door motor with reduction gear and brake system
Axle drive mechanism for stable, reliable operation
Manual chain operation for power failure situations
Advanced Control System:
Industrial-grade digital signal processing with isolation circuits
Phase sequence protection and overcurrent protection
Blue screen LCD display with status monitoring
Vector frequency conversion for smooth operation and motor protection
Safety Systems:
Torsion spring break-proof mechanism
Wire rope anti-break device with 5cm emergency stop
Safety pressure switch for obstacle detection
Infrared safety beam for complete perimeter protection
Product Gallery
Frequently Asked Questions
What is the minimum order quantity?
No minimum order quantity required. 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 inspection.
How do I get pricing information?
Please provide exact dimensions and quantity requirements for a detailed quotation.
What payment terms do you accept?
We typically accept T/T (Telegraphic Transfer) payments.
How can we become your agent?
We welcome agent applications. Please email your proposal and company information for consideration.
Can I visit your factory?
Yes, our factory is conveniently located just 2.5 hours from Shanghai Airport. Visitors are welcome.