OEM Accepted Industrial Fire Rated Sectional Overhead Door

Customization: Available
After-sales Service: Available
Warranty: 12 Months

Product Description

Basic Specifications
Model NO.
NTID
Material
Steel
Type
Sliding / Lifting
Functions
Soundproof, Security, Wind Resistance, Insulation
Panel Thickness
40mm (PU Density: 45)
Certification
ISO9001
Wind Resistance
>450 N/M2
Spring Lifespan
≥ 50,000 Times

Industrial Fire Rated Sectional Overhead Door

Industrial Sectional Door Overview
Product Overview & Features
🛡️
High Durability: Double-sided hot-dip galvanized steel with high-density polyurethane foam core.
⚙️
Customized Lifting: Supports straight, standard, high lintel, and low lintel lifting methods to suit various building structures.
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Quiet Operation: Unique roller shaft design and mute nylon wheels (noise level ≤60db).
Technical Layout Panel Detail
System Components
1. Fall protection supporter2. Straight track3. Side hinge & Top wheel seat
4. Middle hinge5. Steel rope6. Drum
7. Transmission shaft8. Spring fastener9. Spring
10. Spring seat11. Track fixing angle steel12. Opener
13. Pull chain14. Control panel15. Reinforcing rib
Opener Configuration Parameters
Model Input Voltage Rated Power Torque Max Door Area
NT50-220220V/50Hz200W30N.m15 m2
NT70-380380V/50Hz450W65N.m30 m2
NT100-380380V/50Hz650W100N.m50 m2
NT120-380380V/50Hz800W120N.m60 m2
Door Structure Safety Mechanism

Professional Service & Packaging

  • Package: Qualified plywood for LCL; Carton or pallet for FCL.
  • Support: Installation video guidance and 1-year accessory warranty.
  • Inspection: Pre-shipment and production online inspection available.
Factory Application Warehouse Installation
Frequently Asked Questions
What materials are the door panels made of?
The panels consist of two layers of 0.4mm powder-coated galvanized steel with a high-density PU foam core (45-48kg/m3) for superior insulation.
Does the door include safety features?
Yes, it includes a torsion spring anti-breaking system, steel wire rope anti-falling devices, and a safety pressure switch that rebounds upon touching objects.
What is the lifespan of the torsion spring?
The high-quality torsion springs are designed for a lifespan of at least 50,000 opening and closing cycles.
Can the door be customized for small lintel spaces?
Yes, we offer multiple lifting methods including low lintel lifting type specifically for restricted overhead spaces.
Is the door resistant to extreme weather?
Yes, with wind resistance ≥450N/m2 and EPDM sealing strips on all sides, it provides excellent rainproof, dust-proof, and thermal insulation performance.

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