Hager 780-124HD Heavy Duty Concealed Leaf Continuous Geared Hinge with Aluminum Construction

Hager 780-124HD Heavy Duty Concealed Leaf Continuous Geared Hinge with Aluminum Construction

Professional Heavy-Duty Continuous Hinge Solution

The Hager 780-124HD concealed leaf continuous geared hinge delivers heavy-duty performance for high-frequency doors and heavy, medium-frequency applications. Constructed from aluminum 6063-T6 material, this professional-grade hinge provides up to 3-hour fire rating for metal doors and 90-minute rating for wood composite doors with studs. Available in multiple lengths including 79", 83", 85", 95", and 119" to accommodate various door sizes, with 5/16" (8mm) hinge side clearance requirements.

Professional Features & Benefits

• Heavy-Duty Construction: Aluminum 6063-T6 material engineered for high-frequency doors and heavy, medium-frequency door applications with superior durability.
• Fire Rating Compliance: Up to 3-hour fire rating for metal doors and 90-minute rating for wood composite doors with studs for code compliance applications.
• Multiple Length Options: Available in 79", 83", 85", 95", and 119" lengths to accommodate various door sizes and installation requirements.
• Concealed Leaf Design: Provides clean appearance for deep inset or flush-with-frame applications when using rabbeted frames and center hung doors.
• Minimal Door Reinforcement: No door reinforcement required up to 200 lbs, with 16-gauge channel recommended for heavier applications.
• Electric Modification Ready: Compatible with Power Transfer Preparation (EPT 2 or EPT 10), Electric Through-Wire (ETW), Electric Monitoring (EMN), and other electrical modifications.
• Professional Installation Features: Includes door edge protection tip and frame/door leaf alignment ribs for proper hinge and door location during installation.
• Lifetime Warranty: All Roton products have a lifetime warranty with one-year coverage on electric portions for added confidence and protection.
• Heavy duty for high frequency doors or heavy, medium frequency doors

Technical Specifications

• Applications: For deep inset or flush-with-frame (when using rabbeted frames) applications, center hung doors, heavy cabinets;
• Clearance: 5/16" (8 mm) hinge side plus standard lockside clearance
• Commercial/Residential: Commercial
• Door Reinforcement: None required to 200 lbs. Heavier weight use 16-gauge channel.
• Electric Modifications: Power Transfer Preparation (EPT 2) or (EPT 10)
• Fasteners: Standard: Dril-Kwik® – #12-24 X11/16" Flat Head Screws;
• Features: Heavy duty for high frequency doors or heavy, medium frequency doors
• Finishes: CLR, DBZ, BLK;
• Fire Rating: Up to 3-hour metal and 90 minute wood composite (with studs);
• Length: 7 9", 83", 85", 95", 119"
• Material: Aluminum 6063-T6
• Notes: EPD: Roton Continuous Hinges Environmental Product Declaration
• Options: Hospital Tip
• Subcategory: Continuous Geared Hinges
• Warranty: Wll Roton products have a lifetime warranty. When ordering electric Roton, the electric portion of the hinge has a one-year warranty ;

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, frame type (rabbeted for flush mounting), and handing as applicable to this concealed leaf application.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces, ensuring proper alignment with frame and door leaf alignment ribs.
3. Prepare door and frame by drilling required holes for standard #12-24 X 11/16" Flat Head Dril-Kwik screws or optional fasteners as specified.
4. Install hinge with proper 5/16" (8mm) hinge side clearance plus standard lockside clearance for square edged doors on hinge side.
5. Secure the hinge to door and frame per manufacturer torque specifications, utilizing door edge protection tip during installation.
6. Test hinge operation to verify smooth function and proper door alignment. For doors over 200 lbs, verify 16-gauge channel reinforcement is properly installed. Refer to manufacturer documentation for complete installation details and electric modification procedures.

Professional Applications

• High-Frequency Commercial Door Applications
• Heavy Cabinet and Equipment Enclosures
• Fire-Rated Door Assemblies
• Hospital and Healthcare Facility Doors
• Educational Institution Heavy-Use Doors
• Industrial and Warehouse Access Points
• Center Hung Door Installations

Hospital and Specialized Applications

The 780-124HD offers specialized configurations including lead-lined models for hospital x-ray room doors with double row of fasteners to straddle lead (specify "LL"). Hospital tip and TIPIT options are available for healthcare applications requiring enhanced safety features and tamper resistance.

Why Choose Hager Quality?

Hager continuous geared hinges are engineered to meet ANSI/BHMA A156.26 C standards with aluminum 6063-T6 construction rated for demanding commercial applications. All Roton products include a lifetime warranty with specialized coverage for electric modifications, ensuring reliable performance in high-frequency and heavy-duty door applications. Professional-grade materials and precision manufacturing deliver the dependable operation essential for commercial door hardware installations.

Support Resources

• Commercial Hinges Catalog 2024 (PDF)
• Standard Hinge Locations Guide (PDF)
• Commercial Hinges Cross Reference (PDF)
• Concealed Electric Hinge Modification (PDF)
• Electric Hinge Installation Instructions (PDF)
• Continuous Hinges Catalog (PDF)
• Installation Instructions (PDF)
• Electrical Modifications (PDF)