Norton Rixson 147-20 Series Heavy-Duty Pivot Set with 3/4" Offset Hung Design for 300 lb Doors
Professional Pivot System for Medium to Heavy Commercial Doors
The Norton Rixson 147-20 Series Pivot Set delivers precision-engineered performance for medium to heavy commercial doors up to 300 lb and 3'6" width. This heavy-duty pivot system features a 3/4" offset hung configuration that provides smooth door movement and proper weight distribution while reducing stress on door frames. Constructed from heavy-duty steel or stainless steel with ANSI/BHMA A156.4 Grade 1 certification, this complete pivot assembly ensures reliable operation in high-traffic commercial and institutional applications.
Professional Features & Benefits
- Heavy-Duty Weight Capacity: Supports doors up to 300 lb (136 kg) and 3'6" (1067 mm) width for versatile commercial door applications.
- 3/4" Offset Hung Design: Provides stable pivoting with balanced door movement and precise alignment for optimal performance.
- ANSI/BHMA Grade 1 Certification: Meets ANSI/BHMA A156.4 standards for pivot hardware durability and commercial-grade reliability.
- Complete Pivot Assembly: Includes both top and bottom pivots for accurate installation and consistent performance throughout the door system.
- Heavy-Duty Construction: Built from heavy-duty steel or stainless steel materials for long-lasting operation in demanding commercial environments.
- Wide Swing Range: Accommodates up to 180° swing range depending on trim configuration for flexible door operation.
- Non-Handed Design: Field reversible configuration allows adaptation to various door handing requirements without additional hardware.
- Manufacturer Warranty: 2 Year Limited warranty provides added confidence and protection for commercial installations.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
- Application: Standard Door
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Door Weight: Up to 300 lbs
- Duty Level: Standard Duty
- Electronic: No
- Fire Rating: No
- Grade: Grade 1
- Hang Type: Center Hung
- Mounting Method: Center Hung
- Pivot Type: Top & Bottom
- Product Attribute: Pivots
- Product Group: Door Hinges and Pivots
- Product Subgroup: Pivots and Pivot Sets
- Product Substrate: Steel
- Product Type: Pivot Hinges
- Series: 128 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 300 lb, and maximum width of 3'6" for this pivot system.
- Use manufacturer-provided templates to mark mounting hole locations accurately on floor and header surfaces for top and bottom pivot placement.
- Prepare floor and header by drilling required holes and routing as specified in manufacturer instructions for proper pivot alignment.
- Install floor-mounted bottom pivot and header-mounted top pivot components, securing all mounting hardware per manufacturer torque specifications.
- Adjust pivot alignment for proper door operation, ensuring the 3/4" offset hung configuration provides smooth movement throughout the swing range up to 180°.
- Test pivot operation to verify proper function, balanced door movement, and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
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 147-20 Series pivot sets deliver professional-grade reliability with heavy-duty steel or stainless steel construction certified to ANSI/BHMA A156.4 Grade 1 standards. The 2 Year Limited warranty and precision-engineered design ensure dependable performance for doors up to 300 lb in demanding commercial applications. Engineered for high-traffic environments where smooth operation and long-term durability are essential.
Manufacturer Resources
Product Specs
- Series:
- 128 Series
- Duty Level:
- Standard Duty
- Hang Type:
- Center Hung
- Grade:
- Grade 1
- Warranty:
- 2 Year Limited
- 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
- Door Weight:
- Up to 300 lbs
- Commercial/Residential:
- Commercial
- Electronic:
- No
- Pivot Type:
- Top & Bottom
- Mounting Method:
- Center Hung
- Application:
- Standard Door
- Product Attribute:
- Pivots
- Door Hand Direction:
- Non-Handed
- Fire Rating:
- No
- Product Substrate:
- Steel
- Department:
- Door Hardware
- Product Category:
- Door Hinges and Pivots