Industrial Automatic Thermal Insulated Vertical Lifting Exterior Sectional Door for Loading Docks

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

Product Description

Basic Information
Model NO.
SGD-120
Material
Steel
Thickness
40mm
Opening Style
Rolling
Opening Type
Power Driven
Panel Pattern
Square
Color
White
Certificate
CE
Style
Modern; Industrial
Advantage
High Security, Heat Preservation
Wind Resistance
10level, 600n/M²
Origin
China
Product Overview
An industrial Door Brand Exported to Over 50 Countries
Serving Over 3600 Clients Worldwide
Holder of CE, SGS, UL Certifications
Supplier Partner to Fortune 500 Companies
Advanced Servo Intelligent Control Systems
Sectional Door Overview

High Performance Sectional Door

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 Application
Factory Gate
Equipment Room
Warehouse

Factory gate + Equipment room + Warehouse

Technical Specifications
Opening Speed0.2-0.3m / s
Panel Thickness40 mm
Available ColorsYellow, Red, Blue, White, Grey
Motor SystemGerman FROG PUPIL
Safety ProtectionAnti-wire rope break, bottom airbag, torsion spring anti-break
Cycle Life≥30,000 times
Foam MaterialHigh-density Polyurethane (48kg/m³)
Manual OperationManual electric interchangeable
Wind Loading4*4 Newton 700 / m2
Sound Insulation24dB
AirtightnessLevel 2 (2.0 m3 / m2 / h @ 50Pa)
Core Product Features

1. Door Panel Structure

Equipped with EPDM sealing tapes and bottom seals. The door panel interface uses sealing rubber to cut off heat transfer and reduce energy loss.

2. Balance Device

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

3. Control System

Intelligent frequency conversion control for slow start and stop. Supports interlock linkage and remote communication.

4. Fall Arrest Device

Safety mechanism that locks the door body within 20cm if a torsion spring breaks unexpectedly.

5. High-Density Insulation

Impact resistance 245kg/m³ with anti-pinch design. Sturdy polyurethane foam filling for superior thermal and sound insulation.

6. Safety Equipment

Optional non-threshold small doors, wind-resistant components, and infrared safety protection sensors.

Structure Detail 1
Structure Detail 2
Color Options
Available Colors 1
Available Colors 2
Measurement & Installation

Required Measurements (Indoor):

  • H - Opening height (ground to top)
  • B - Opening width (left edge to right edge)
  • h - Header space (at least 500mm above opening)
  • b1/b2 - Lateral distance (at least 150mm on each side)
  • L - Room depth
Component Details
Measurement Guide
Standard Configuration
Configuration 1
Configuration 2
Configuration 3
Project Cases & Manufacturing
Project Cases

Products are exported to more than 50 countries and regions including the European Union, Australia, the United States, Canada, France, Japan, Dubai, and Russia. We have provided technical solutions and product safety guarantees for more than 3,200 corporate customers worldwide.

Facility 1
Facility 2
Facility 3
Frequently Asked Questions
Why choose our industrial doors?
We offer highly cost-effective products with superior quality, supported by professional technical sales and 13+ years of customization experience.
How can we start a new project?
Simply provide your basic project site information and factory layout drawings. We will provide a complete set of solutions based on your specific needs.
Is the installation process difficult?
No, the doors are designed for easy installation with screws and no welding required. We provide installation videos and on-site guidance if needed.
What is the typical delivery time?
Generally, the delivery time is around 15-20 days after sample confirmation, shipping through major ports like Shanghai.
What types of payment are accepted?
We usually accept T/T in advance. For other payment terms, please discuss with our sales team during the quotation process.
How do you handle after-sales service?
Spare parts can be delivered within 24 hours via international expresses like DHL, UPS, or TNT to ensure minimal downtime for your facility.

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