Norton Rixson FM190 Fire Rated Heavy Duty Full Mortise Intermediate Pivot with 3/4" Offset
Professional Fire-Rated Intermediate Pivot Solution
The Norton Rixson FM190 is a heavy-duty full mortise intermediate pivot designed for fire-rated door assemblies where frame conditions do not allow standard top pivot installation. This load-bearing pivot features a 3/4" (19mm) offset standard configuration and is certified for 3-hour fire rating applications. Constructed with non-ferrous base metal and heavy-duty needle bearing, the FM190 maintains proper door alignment while supporting doors 60" (1524mm) to 90" (2286mm) in height.
Professional Features & Benefits
- Fire Rating Certification: 3-hour fire rating with CAL FIRE 3725-0047:0108 certification for critical fire door assemblies.
- Heavy-Duty Load Bearing: Lateral load-bearing design maintains door alignment and supports proper operation in demanding commercial applications.
- Precision Offset Design: 3/4" (19mm) offset standard with 1-1/2" (38mm) offset available for versatile frame compatibility.
- Professional Construction: Heavy-duty needle bearing and non-ferrous base metal construction for long-term reliability.
- Door Height Compatibility: Designed for doors 60" (1524mm) to 90" (2286mm) in height with additional pivots recommended for each additional 30" (762mm).
- Installation Flexibility: Aids in installing floor closers and bottom pivots while accommodating challenging frame conditions.
- Complete Hardware Package: Furnished with wood and machine screws with optional Torx screws available.
- Manufacturer Warranty: 2-year limited warranty for added confidence and protection.
Technical Specifications
- Application: Fire-Rated
- 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: Center Hung
- 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: Intermediate Pivots - Offset
- Series: M190
- Subcategory: Intermediate Pivots
- Warranty: 2 Year Limited
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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 intermediate pivots deliver professional-grade reliability with heavy-duty needle bearing construction and non-ferrous base metal rated for 3-hour fire door applications. CAL FIRE certification and 2-year limited warranty provide confidence in critical fire safety installations. Engineered for demanding commercial applications where dependable performance and fire code compliance are essential.
Manufacturer Resources
Product Specs
- Series:
- M190
- Duty Level:
- Heavy Duty
- Hang Type:
- Offset Hung
- Warranty:
- 2 Year Limited
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Pivots and Pivot Sets
- Product Type:
- Intermediate Pivots
- Subcategory:
- Intermediate Pivots
- Fasteners:
- Torx Screws Optional
- Commercial/Residential:
- Commercial
- Fire Rated Time:
- 3 hours
- Electronic:
- No
- Pivot Type:
- Top & Bottom
- Mounting Method:
- Center Hung
- Application:
- Fire-Rated
- Product Attribute:
- Pivots
- Door Hand Direction:
- Handed
- Fire Rating:
- Yes
- Product Category:
- Door Hinges and Pivots
- Product Substrate:
- Non-ferrous
- Department:
- Door Hardware