Norton Rixson Model 370 Center Hung Pivot Set with 340 Top Pivot - Heavy-Duty Door Hardware for 500 lb Doors
Professional Center Hung Pivot Solution for Heavy-Duty Door Applications
The Norton Rixson Model 370 is a center hung pivot set engineered for precision and durability in demanding door installations. This heavy-duty pivot system supports doors up to 500 lbs and sizes up to 3'8" x 8'6" (1118 x 2591mm), featuring a standard 340 top pivot and bottom pivot that mounts directly to the floor. The pivot point is centered in the door thickness with sealed bearings for weather and debris protection, making it suitable for both interior and exterior applications.
Professional Features & Benefits
- Heavy-Duty Load Capacity: Supports doors up to 500 lbs with maximum door sizes up to 3'8" x 8'6" (1118 x 2591mm) for demanding commercial applications.
- Center Hung Design: Pivot point centered in door thickness provides balanced operation and concealed pivot solution for professional installations.
- Sealed Bearing Construction: Weather and debris protection ensures long-lasting performance in both interior and exterior environments.
- Flexible Installation Options: Furnished with both wood and machine screws for versatile mounting requirements across different door and frame materials.
- Extended Spindle Availability: Available with extended spindles in 1/2" (13mm) increments up to 2" (51mm) longer than standard to meet specific project requirements.
- Non-Handed Operation: Universal design eliminates handing concerns for simplified ordering and installation planning.
- Manufacturer Warranty: 2 Year Limited warranty provides added confidence and protection for professional installations.
Technical Specifications
- Application: Heavy-Duty
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Duty Level: Heavy Duty
- Electronic: No
- Fire Rating: No
- Hang Type: Center 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 Type: Pivot Hinges
- Series: 370 Series
- Subcategory: Center Hung
- Warranty: 2 Year Limited
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 500 lbs, and door size limitations up to 3'8" x 8'6".
- Prepare door with required radius on pivot edge as the center hung design requires this modification for proper operation.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and floor surfaces for top and bottom pivot placement.
- Install bottom pivot mounting directly to floor and secure top pivot assembly to door per manufacturer specifications using provided wood or machine screws.
- Adjust pivot alignment for smooth operation throughout the full range of door movement, ensuring proper clearances are maintained.
- Test door operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and extended spindle options if required.
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 Norton Rixson Quality?
Norton Rixson Model 370 pivot sets deliver professional-grade reliability with sealed bearing construction and heavy-duty capacity rated for doors up to 500 lbs. The 2 Year Limited warranty and precision engineering ensure dependable performance in demanding commercial applications where concealed pivot operation and durability are essential.
Manufacturer Resources
Product Specs
- Series:
- 370 Series
- Duty Level:
- Heavy Duty
- Hang Type:
- Center Hung
- Warranty:
- 2 Year Limited
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Pivots and Pivot Sets
- Product Type:
- Center-Hung Pivot Hinges
- Subcategory:
- Pivot Set
- Commercial/Residential:
- Commercial
- Electronic:
- No
- Pivot Type:
- Top & Bottom
- Mounting Method:
- Center Hung
- Application:
- Heavy-Duty
- Product Attribute:
- Pivots
- Door Hand Direction:
- Non-Handed
- Fire Rating:
- No
- Product Category:
- Door Hinges and Pivots
- Department:
- Door Hardware