Norton Rixson H345 Center Hung Top Pivot with Long Throw Pin for Doors Over 8'6"
Heavy-Duty Top Pivot Solution for Tall Door Applications
The Norton Rixson H345 is a center hung top pivot specifically engineered for doors over 8'6" (2491mm) in height and locations where dramatic building settling is a concern. This fully concealed, non-handed pivot features a long throw pivot pin that engages 1-3/4" (44mm) into the top of the door, with a walking beam-type design utilizing a 1/2" (13mm) diameter pivot pin and oil-impregnated sintered bronze bushing for heavy-duty commercial applications.
Professional Features & Benefits
- Extended Height Compatibility: Designed specifically for doors over 8'6" (2491mm) in height where standard pivots may not provide adequate support.
- Long Throw Pin Design: 1-3/4" (44mm) engagement depth provides superior holding power and stability for tall, heavy doors.
- Heavy-Duty Construction: Walking beam-type pivot with 1/2" (13mm) diameter pivot pin and oil-impregnated sintered bronze bushing for long-lasting performance.
- Building Settlement Protection: Engineered to accommodate dramatic building settling without compromising door operation or alignment.
- Universal Compatibility: Works with any center hung bottom pivot or floor closer whose pivot point is 2" (50mm) or greater from the door edge.
- Fully Concealed Operation: Completely hidden when door is closed for clean architectural appearance.
- Non-Handed Design: Single unit works for both left and right-hand door applications, simplifying inventory and installation.
- 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: 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: 345 Series
- Subcategory: Center Hung
- 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/or 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
- Commercial Office Buildings with Tall Entrance Doors
- Educational Facilities with Oversized Doors
- Healthcare Institutions with Wide Corridor Doors
- Retail Establishments with Large Entry Systems
- Industrial and Warehouse Facilities with Heavy-Duty Doors
- Multi-Tenant Residential Properties with Grand Entrances
- Government and Municipal Buildings with Architectural Door Systems
Why Choose Norton Rixson Quality?
Norton Rixson H345 pivots deliver professional-grade reliability with oil-impregnated sintered bronze bushings and heavy-duty walking beam construction specifically engineered for demanding tall door applications. The 2-year limited warranty provides added confidence for commercial installations. Designed for locations where building settlement and door height create unique challenges requiring specialized pivot solutions.
Manufacturer Resources
Product Specs
- Series:
- 345 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:
- Top Pivots
- Subcategory:
- Top Pivots
- 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