Factory Customized Continuous Geared Door Hinge 300KG Heavy Duty Extruded Aluminum Profile for Commercial Entrance Doors

continuous geared hinge     连续齿轮铰链    
  continuous hinge           连续铰链            
  continuous gear hinge      连续齿轮铰链  
 300KG Load
180° Opening   
  Fire-Rated
Custom modern aluminum door
Adjustable geared fire-rated hinge
Heavy-duty 300kg load capacity
Continuous 180-degree hinge
Aluminum 2.8mm thickness

Heavy Duty Continuous Hinge for Doors                                                                                            
Strong Geared Hinge for Home Doors
Durable Aluminum Hinge for Office Doors
Corrosion Resistant Door Hinge for Exterior Use
300KG Load Door Hinge for Industrial Doors
Reliable Hidden Door Hinge for Security Doors
Smooth Opening Piano Hinge for Interior Doors
Uniform Load Distribution
The full-length geared structure distributes weight evenly along the entire door edge, avoiding concentrated stress found on traditional single-point hinges. Suitable for heavy doors up to 300KG.
180° Smooth Opening & Precise Positioning
Built-in continuous gear assembly enables stable 180-degree opening. The geared locking design holds the door at any opening angle without drifting or sagging.
Long Service Life & Low Maintenance
Precision CNC machined aluminum alloy body, wear-resistant gear components. No frequent lubrication required, resistant to long-term frequent opening and closing.
Anti-Sag & Anti-Twist Performance
Eliminates common door sagging, deformation and twisting issues that plague conventional hinges. Perfect for tall, oversized, heavy solid doors.
Customizable Length & Easy Installation
Available in customizable lengths to match door height. Pre-drilled mounting holes, simple screw-on installation; supports on-site CNC secondary processing.
Corrosion Resistant Aluminum Structure
Anodized aluminum profile housing, anti-rust, weather-proof. Works for interior doors, fire doors, medical doors, commercial project doors.
Silent Operation
Tightly fitted gear structure reduces friction noise, achieving quiet opening and closing for hotels, hospitals, office buildings.