Norton Rixson F480 Fire Rated 3/4" Offset Top Pivot Set with 3-Hour Fire Rating

Norton Rixson F480 Fire Rated 3/4" Offset Top Pivot Set with 3-Hour Fire Rating

Professional Fire-Rated Pivot Solution for Commercial Door Applications

The Norton Rixson F480 Fire Rated 3/4" Offset Top Pivot Set delivers professional-grade pivot hardware specifically engineered for fire door assemblies requiring 3-hour fire rating compliance. This offset hung top pivot features a 3/4" (19mm) offset measured from centerline of pivot to face of door, designed for 1-3/4" doors only. The full surface design accommodates flush door and frame applications where door and jamb portions cannot be mortised, making it ideal for channel iron door frames and applications requiring thru-bolting advantages.

Professional Features & Benefits

• Fire Rating Compliance: 3-hour fire rating certification for fire door assemblies using ferrous materials ensures code compliance in critical applications.
• Precision Offset Design: 3/4" (19mm) offset from centerline of pivot to door face provides proper clearance for flush door installations.
• Door Compatibility: Specifically designed for 1-3/4" doors with full surface mounting for flush door and frame applications.
• Versatile Installation: Optional top pivot solution where door and jamb portions cannot be mortised, ideal for channel iron door frames.
• Heavy-Duty Construction: Non-ferrous base material construction provides durability for commercial applications with thru-bolting advantages.
• Complete Hardware Package: Furnished with both wood and machine screws for flexible installation requirements.
• Custom Pin Options: Available with longer than standard pivot pins in 1/4" (6mm), 1/2" (13mm), and 3/4" (19mm) increments for specialized applications.
• Manufacturer Warranty: 2 Year Limited warranty for added confidence and protection.

Technical Specifications

• Application: Heavy-Duty
• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Hand Direction: Handed
• Duty Level: Standard Duty
• Electronic: No
• Fasteners: Torx Screws Optional
• Fire Rated Time: 3 hours
• Fire Rating: Yes
• Hang Type: Offset Hung
• Mounting Method: Offset
• Pivot Type: Top & Bottom
• Product Attribute: Pivots
• Product Category: Door Hinges and Pivots
• Product Group: Door Hinges and Pivots
• Product Subgroup: Pivots and Pivot Sets
• Product Substrate: Non-ferrous
• Product Type: Pivot Hinges
• Series: 480 Series
• Subcategory: Top Pivots
• Warranty: 2 Year Limited

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

• Fire-Rated Door Assemblies
• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Multi-Tenant Residential Properties

Why Choose Norton Rixson Quality?

Norton Rixson F480 pivot sets deliver professional-grade reliability with non-ferrous base material construction and 3-hour fire rating certification for demanding commercial applications. The 2 Year Limited warranty provides added confidence for critical fire door installations. Engineered for flush door and frame applications where dependable performance and code compliance are essential.