Norton Rixson FML19 Fire Rated 3/4" Offset Intermediate Pivot for Heavy Doors

Norton Rixson FML19 Fire Rated 3/4" Offset Intermediate Pivot for Heavy Doors

Professional Fire-Rated Pivot Solution for Lead-Lined and Heavy-Duty Applications

The Norton Rixson FML19 is a fire-rated intermediate pivot specifically engineered for lead-lined, heavy, and high-traffic doors. This 3/4" offset pivot accommodates door thicknesses from 1-3/4" to 3" and features specialized screw hole spacing designed to straddle lead lining in the center of the door. Constructed with non-ferrous base material and certified for 3-hour fire door assemblies, this load-bearing pivot maintains proper door alignment while supporting doors from 60" to 90" in height.

Professional Features & Benefits

• Fire Rating Certification: 3-hour fire rating with CAL FIRE 3725-0047:0108 certification for critical fire door applications.
• Specialized Door Compatibility: Accommodates door thicknesses of 1-3/4", 2", 2-1/4", 2-1/2", or 3" with 3/4" offset design for proper clearance.
• Lead-Lined Door Engineering: Screw holes strategically spaced to straddle lead lining in center of door for secure mounting without compromising radiation shielding.
• Heavy-Duty Load Bearing: Full mortise design maintains door alignment and supports doors 60" to 90" in height with load-bearing capacity for high-traffic applications.
• Non-Ferrous Construction: Non-ferrous base material provides corrosion resistance and compatibility with fire door assembly requirements.
• Installation Flexibility: Aids in installing floor closers and pivots while accommodating handed door configurations.
• Extended Fire Rating Option: Available with 20-minute label (suffix "-20") for specific fire door assembly requirements.
• Manufacturer Warranty: 2-year limited warranty for added confidence and protection.

Technical Specifications

• Application: Fire-Rated, Lead-Lined
• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Hand Direction: Handed
• Duty Level: Heavy Duty
• Electronic: No
• Fasteners: Torx Screws Optional
• Fire Rated Time: 3 hours
• Fire Rating: Yes
• Hang Type: Offset Hung
• Mounting Method: Offset
• Pivot Type: Intermediate
• 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: Intermediate Pivots - Offset
• Series: M190 Intermediate Pivots
• Subcategory: Intermediate Pivots
• Warranty: 2 Year Limited

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness (1-3/4" to 3"), lead lining position, and handing requirements for this handed pivot.
2. Use manufacturer-provided templates to mark mounting hole locations, ensuring screw holes are positioned to straddle lead lining in center of door without compromising radiation shielding.
3. Prepare door by routing mortise pocket and drilling required holes per manufacturer specifications. Ensure door edges are beveled 1/8" in 2" as required.
4. Install pivot using provided wood and machine screws, securing to door and frame per manufacturer torque specifications. Optional Torx screws available for enhanced security.
5. Adjust pivot alignment for proper door operation and verify load-bearing capacity supports door weight throughout full range of motion.
6. Test door operation to verify smooth function and proper alignment. Refer to manufacturer documentation for complete installation details and fire door assembly requirements.

Professional Applications

• Healthcare Facilities with Lead-Lined Radiation Rooms
• Hospital Imaging and X-Ray Departments
• Medical Research and Laboratory Facilities
• Industrial Facilities with Heavy Fire Doors
• Commercial Buildings Requiring Fire-Rated Assemblies
• High-Traffic Areas with Heavy Door Requirements
• Government and Institutional Buildings

Why Choose Norton Rixson Quality?

Norton Rixson FML19 pivots deliver professional-grade reliability with non-ferrous construction and 3-hour fire rating certification for the most demanding commercial applications. CAL FIRE certified and backed by a 2-year limited warranty, these specialized pivots are engineered for lead-lined doors where both fire protection and radiation shielding are critical requirements.