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Enhanced Insulation Industrial Sectional Doors for Energy Efficiency

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

Product Description

Basic Specifications
Model NO.
SGD-120
Material
Steel
Thickness
40mm
Opening Style
Rolling
Opening Type
Power Driven
Style
Modern; Industrial
Certificate
CE
Advantage
High Security, Heat Preservation
Industrial Door Solutions

Why choose our industrial doors?

  • 📍 Exported to Over 50 Countries
  • 🤝 Serving Over 3600 Clients Worldwide
  • 📜 CE, SGS, UL Authoritative Certifications
  • 🏢 Supplier Partner to Fortune 500 Companies
  • ⚙️ Advanced Servo Intelligent Control Systems
Industrial Sectional Door

Sectional Door Overview

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 Site

Factory Gate + Equipment Room + Warehouse

Technical Parameters
Speed:0.2-0.3m / s
Thickness of door panel:40 mm
Motor:German FROG PUPIL
Safety protection:Anti-wire rope break, bottom airbag, torsion spring anti-break
Wind loading rating:4*4 Newton 700 / m2
Sound insulation:24dB
Foam material:High-density polyurethane foaming (48kg/m³)
Key Features

1. Door Panel Structure: EPDM sealing tapes and bottom seals. Interface equipped with sealing rubber to cut off heat transfer.

2. Balance Device: High-quality spring steel torsion spring treated with anti-corrosion for 30,000+ cycles.

3. Control System: Frequency conversion intelligent control, slow start and stop, stable and durable.

4. Fall Arrest Device: Optional anti-break protection locks the door body within 20cm if spring fails.

Structure Details
Available Options
Details Image

Sectional Door Components: Including vertical guide rails, torsion spring fracture protection, sandwich door panels, and bottom aluminum profiles with sealing strips for maximum efficiency.

Measurement Guide
  • H: Height of door opening (ground to top)
  • B: Width of door opening (left edge to right)
  • h: At least 500 mm above opening to ceiling
  • b1/b2: Lateral distance at least 150 mm
  • L: Depth of the room
Measurement Guide
Project Cases
Project Case
Frequently Asked Questions
Q1: Why choose our industrial doors?
We provide cost-effective products with high quality, professional technical sales support, and have over 13 years of experience in production and customization.
Q2: How do we start a project?
We only need your basic background and site information. Factory site plan drawings are preferred so we can provide a complete solution.
Q3: Is the installation difficult?
It is designed for easy installation using screws with no welding required. We provide installation videos and technical support if needed.
Q4: What is the standard delivery time?
Generally, the lead time is around 15-20 days after sample confirmation, with shipping available via major ports like Shanghai.
Q5: What payment terms are accepted?
We usually accept T/T in advance. For other preferred payment terms, please feel free to discuss with our team.
Q6: How do you handle after-sale service?
Spare parts can be delivered within 24 hours via international couriers like DHL, UPS, or TNT to ensure minimal downtime.

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