Industrial Sectional Door with 40mm Thickness 450N/m2 Wind Load and 24dB Acoustic Insulation

Sectional Door, Used For Factory And Hangar Doors, Easy To Operate, Wind-Resistant And Heat-Insulating

Sectional roller shutter doors are wide panels that can be customized with windows or steel sections. When retracted, these doors roll up flat against the ceiling, offering installation flexibility in almost any conditions.

Our industrial sectional doors feature:

• Double-layer sandwich hot-dip galvanized steel panels with polyurethane surface treatment
• 40mm thick polyurethane insulation core for thermal efficiency
• Box-shaped edge banding with connecting hinges for embedded track installation
• Spherical vinyl resin sealing strips for weatherproof protection
• Robust torsion spring balance system with steel components

Motor Transmission System:

• Industrial-grade motor with reduction gear, three-phase asynchronous motor, and brake system
• Axle drive mechanism for stable, reliable operation
• Manual chain mechanism for power failure situations

Control System:

• Digital signal processing chip with industrial-grade isolation circuit
• Advanced phase sequence and overcurrent protection
• Blue screen LCD display with status monitoring
• Vector frequency conversion for smooth operation and extended lifespan

Safety Features:

• Torsion spring break-proof system for accident prevention
• Wire rope anti-break device with automatic locking
• Safety pressure switch for obstacle detection
• Infrared safety beam for complete protection