Hager 780-112 Concealed Leaf Continuous Geared Hinge - Aluminum Construction with 3-Hour Fire Rating

Hager 780-112 Concealed Leaf Continuous Geared Hinge - Aluminum Construction with 3-Hour Fire Rating

Professional Continuous Hinge Solution for Commercial Door Applications

The Hager 780-112 Concealed Leaf Continuous Geared Hinge delivers professional-grade performance for commercial door installations requiring reliable operation and fire safety compliance. Constructed from aluminum 6063-T6 material, this continuous hinge accommodates doors 1-3/4" (44 mm) thick with available lengths of 79", 83", and 95". The concealed leaf design provides 5/16" (8 mm) hinge side clearance and achieves up to 3-hour fire rating for metal doors and 90-minute rating for wood composite doors with studs.

Professional Features & Benefits

• Door Thickness Compatibility: Designed for doors 1-3/4" (44 mm) thick with standard duty for medium frequency applications and heavy duty options for high frequency or heavy doors.
• Fire Rating Performance: Up to 3-hour metal door fire rating and 90-minute wood composite door rating (with studs) for code compliance in critical applications.
• Aluminum Construction: 6063-T6 aluminum material provides exceptional durability and corrosion resistance for long-term commercial performance.
• Concealed Leaf Design: Provides clean aesthetics with 5/16" (8 mm) hinge side clearance plus standard lockside clearance for proper door operation.
• Frame Reinforcement: No frame reinforcement required for doors up to 200 lbs, with 16-gauge channel recommended for heavier applications.
• Electric Modifications Available: Power Transfer Preparation (EPT 2 or EPT 10), Exposed Electric Contacts (E), Electric Through-Wire (ETW), and Electric Monitoring (EMN) options for access control integration.
• Lead-Lined Option: Hospital x-ray room door compatibility with double row of fasteners to straddle lead when specified as "LL" model.
• Lifetime Warranty: All Roton products have a lifetime warranty with one-year coverage on electric portions for added confidence and protection.
• Standard duty for medium frequency doors. Heavy duty for high frequency doors or heavy, medium frequency doors. All for doors 1-3/4” (44 mm) thick.

Technical Specifications

• Applications: Lead lined model for hospital x-ray room doors with double row of fasteners to straddle lead (specify "LL").
• Clearance: 5/16" (8 mm) hinge side.
• 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: Standard duty for medium frequency doors. Heavy duty for high frequency doors or heavy, medium frequency doors. All for doors 1-3/4” (44 mm) thick.
• Finishes: CLR, DBZ, BLK
• Fire Rating: Up to 3-hour metal and 90 minute wood composite (with studs).
• Length: 7 9", 83", 95"
• 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, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Hager Quality?

Hager 780-112 continuous hinges deliver professional-grade reliability with aluminum 6063-T6 construction rated for up to 3-hour fire performance and lifetime warranty coverage. ANSI/BHMA A156.26 C compliance ensures consistent quality standards for demanding commercial applications. Engineered for demanding commercial applications where dependable performance and fire safety compliance are essential.

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)