Wholesale Commercial Insulated Overhead Sectional Industrial Garage Door

Customization: Available
After-sales Service: Online Technical Support
Warranty: 1 Year

Product Description

Why more and more factories choose these industrial doors?
  • An industrial Door Brand Exported to Over 50 Countries
  • Serving Over 3600 Clients Worldwide
  • Holder of Multiple Authoritative Certifications, Including CE, SGS, UL
  • Supplier Partner to Fortune 500 Companies
  • Advanced Servo Intelligent Control Systems for Professional Needs
Basic Specifications
Model NO. SGD-120 Material Steel
Thickness 40mm Opening Style Rolling
Opening Type Power Driven Door Panel Pattern Square
Color White Surface Finishing Finished
Certificate CE Style Modern; Industrial
Open Style Automatic Control Advantage High Security, Heat Preservation
Overview
Industrial Sectional Door Overview
Sectional Door Structure

Sectional doors are installed at openings in industrial buildings, warehouses, workshops, docks and other industrial facilities. The reinforced door structure ensures uninterrupted operation and the reliable sealing system guarantees high thermal insulation of the room.

Installation Sites
Installation 1
Installation 2
Installation 3

Factory gate + Equipment room + Warehouse

Technical Description
Speed0.2-0.3m / s
Thickness of panel40 mm
Color Optionsyellow, red, blue, white, grey
MotorGerman FROG PUPIL
Safety ProtectionAnti-wire rope break device, bottom airbag device, torsion spring anti-break function.
Torsion Spring≥30,000 times
Foam MaterialHigh-density Japan Tosoh polyurethane foaming material (48kg ± 2kg / m³)
Sound Insulation24dB
Wind Loading4*4 Newton 700 / m2
Key Features & Components
1. Door Panel Structure

Equipped with EPDM sealing tapes and bottom seals. Interface sealing rubber cuts off heat transfer and reduces energy loss.

2. Balance Device

High-quality spring steel with anti-corrosion treatment. Designed for 30,000 to 100,000 cycles for smooth operation.

3. Control System

Frequency conversion intelligent control, slow start and stop. Supports interlock linkage and remote communication.

Component Details
Safety Features
4. Fall Arrest Device

Anti-break protection locks the door body within 20cm if the torsion spring breaks accidentally.

5. Door Panel Options

Various thicknesses (40-120mm) filled with polyurethane foam. High impact resistance and thermal insulation.

6. Custom Equipment

Optional windows, door-in-door, non-threshold small doors, and various induction opening devices.

Various Colors Available
Color Options
Color Samples
Detailed Components
Detailed Diagram

1. Vertical guide rail | 2. Vertical side frame | 3. Door shaft | 4. Torsion spring protection | 5. Sheave | 6. Spring sleeve | 7. Balance mechanism | 8. Coupling | 9. Inner bracket | 10. Top roller bracket | 11. Roller bracket | 12. Back muscles | 13. Wire rope protection | 14. Sandwich panel | 15. Inner hinge | 16. Bottom seal | 17. Side seal | 18. Aluminum profile | 23. Mounting bracket

Installation Instructions

Measurement Guide (Indoor):

  • H - Door opening height (ground to top)
  • B - Door opening width (left edge to right edge)
  • h - Top clearance (min 500 mm)
  • b1/b2 - Lateral distance (min 150 mm)
  • L - Room depth

Note: For H and B, take the maximum value; for h, b1, b2 and L, take the smallest value.

Measurement Diagram
Standard Configuration
Config 1
Config 2
Project Cases
Project Case Study
Quality Assurance & Variety
Production Flow
Product Line 1
Product Line 2
Product Line 3
FAQ
Q1. Why choose our industrial doors?
A: We offer the most cost-effective products with high quality, professional technical sales support for both pre-sale and after-sale, and over 13 years of experience in production and customization.
Q2. How can we get started?
A: We only need your basic background information and project site details. Providing drawings of your factory site plan is best so we can provide a complete solution.
Q3. Is the installation difficult?
A: No, it is easy to install using screws with no welding required. We provide installation videos and our technical staff is available for guidance. On-site guide services are also available.
Q4. What is the delivery time?
A: The general delivery time is around 15-20 days after sample confirmation, typically through the Shanghai port or according to your requirements.
Q5. What payment methods are accepted?
A: We usually accept T/T in advance. If you prefer other payment terms, please feel free to contact us to discuss.
Q6. How about the after-sale service?
A: Spare parts can be delivered within 24 hours via major couriers like DHL, UPS, or TNT to ensure minimal downtime.

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