Norton Rixson 117-3/4 Series Heavy Duty Center Hung Pivot Set with 3/4" Offset
Professional Center Hung Pivot System for Commercial Applications
The Norton Rixson 117-3/4 Series Heavy Duty Center Hung Pivot Set delivers precision-engineered door support for demanding commercial and institutional environments. This complete pivot system features a 3/4" offset design with up to 300 lb door weight capacity and accommodates doors up to 3'6" wide. Built with heavy-duty steel components and ANSI/BHMA A156.4 Grade 1 certification, this pivot set transfers door weight to the floor for enhanced longevity and reduced frame stress.
Professional Features & Benefits
- Heavy-Duty Weight Capacity: Supports doors up to 300 lb (136 kg) with precision operation for reliable performance in high-traffic applications.
- Maximum Door Width: Accommodates doors up to 3'6" (1067 mm) wide with 3/4" offset configuration for versatile installation options.
- Full 180° Door Swing: Allows complete door opening up to 180° (trim permitting) for wide, accessible openings and modern architectural appearance.
- Floor Weight Transfer Design: Floor-mounted bottom pivot supports full door weight, reducing frame stress and increasing system longevity compared to traditional hinge systems.
- Heavy-Duty Steel Construction: Architectural-grade steel or stainless steel components provide exceptional durability for demanding commercial applications.
- ANSI/BHMA Grade 1 Certification: Meets ANSI/BHMA A156.4 standards for durability and performance in commercial door hardware applications.
- Complete Pivot Assembly: Supplied as full set including top and bottom pivots with all necessary components for standard installation.
- Multiple Architectural Finishes: Available in 626 (Satin Chrome), 630 (Satin Stainless), 613 (Oil-Rubbed Bronze), and other architectural finishes to complement any commercial interior.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
- Application: Standard Door
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Duty Level: Standard Duty
- Electronic: No
- Hang Type: Center Hung
- Mounting Method: Center Hung
- Product Attribute: Pivots
- Product Group: Door Hinges and Pivots
- Product Subgroup: Pivots and Pivot Sets
- Product Substrate: Steel
- Product Type: Door Hinges and Pivots
- Subcategory: Center Hung
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, maximum weight of 300 lb, and 3/4" offset clearance requirements.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door header and floor surfaces for top and bottom pivot placement.
- Prepare door, header, and floor by drilling required holes and routing as specified in manufacturer instructions for center hung pivot installation.
- Install floor-mounted bottom pivot first, ensuring proper alignment and secure mounting to transfer full door weight to the floor structure.
- Mount top pivot in header and install door, adjusting pivot alignment for smooth operation throughout the full 180° swing range.
- Test pivot operation to verify proper door balance, smooth movement, and secure weight transfer. Refer to manufacturer documentation for complete installation details and adjustment procedures.
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 pivot systems deliver professional-grade reliability with heavy-duty steel construction and ANSI/BHMA A156.4 Grade 1 certification for demanding commercial applications. The 117-3/4 Series provides precision-engineered door support with up to 300 lb weight capacity and floor weight transfer design for enhanced system longevity. Engineered for high-traffic environments where dependable performance and architectural aesthetics are essential.
Manufacturer Resources
Product Specs
- Duty Level:
- Standard Duty
- Hang Type:
- Center Hung
- ANSI/BHMA:
- ANSI/BHMA A156.4, Grade 1
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Pivots and Pivot Sets
- Product Type:
- Pivot Hinges
- Subcategory:
- Pivot Hinges
- Commercial/Residential:
- Commercial
- Electronic:
- No
- Mounting Method:
- Center Hung
- Application:
- Standard Door
- Product Attribute:
- Pivots
- Door Hand Direction:
- Non-Handed
- Product Substrate:
- Steel
- Department:
- Door Hardware
- Product Category:
- Door Hinges and Pivots