Ives 7253 Center Hung Pivot Set - 300lb Capacity with Bottom Base Mount
Heavy-Duty Center Hung Pivot Solution for Commercial Applications
The Ives 7253 Center Hung Pivot Set delivers professional-grade door support with a maximum door load capacity of 300 pounds. Designed for doors with 1-3/4" minimum thickness and not recommended for doors larger than 4'0" x 8'0", this pivot system features adjustable floor to door clearance from 3/16" to 3/4" and vertical adjustment range of 3/16" with positive locking mechanism. Certified to ANSI/BHMA A156.4 C07032 and UL 10C tested for 20-minute fire rating, this non-handed pivot set includes both top header mount and bottom base plate mount components.
Professional Features & Benefits
- Heavy-Duty Load Capacity: Supports doors up to 300 pounds with precision bearings for smooth operation in demanding commercial applications.
- Adjustable Installation Parameters: Floor to door clearance adjustable from 3/16" to 3/4" with 3/16" vertical adjustment range and positive locking mechanism for precise positioning.
- Door Compatibility: Recommended for 1-3/4" minimum door thickness with maximum door size of 4'0" x 8'0" for optimal performance.
- Complete Pivot Set: Includes 7253 Top (header mount) and 7253 Btm (base plate mount) components for comprehensive door support system.
- Fire-Rated Performance: UL 10C tested and approved for 20-minute fire rating with ANSI/BHMA A156.4 Grade 1 certification.
- Structural Load Distribution: Reduces stress on door frame by distributing weight throughout floor and building structure, ideal for heavy door applications.
- Superior Construction: Brass construction with precision bearings provides maximum corrosion resistance and smooth operation.
- Easy Installation: Tilt-on bearing and bearing pin design simplifies installation process with positive locking vertical adjustment.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.4 C07032
- Application: Standard Door
- Commercial/Residential: Commercial
- Department: Door Hardware
- Door Hand Direction: Non-Handed
- Door Weight: Up to 300 lbs
- Duty Level: Heavy Duty
- Electronic: No
- Fire Rated Time: 20 minutes
- Fire Rating: Yes
- 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 Model: 7253
- Product Subgroup: Pivots and Pivot Sets
- Product Substrate: Brass
- Product Type: Pivots - Center Hung
- Subcategory: Hinges and Pivots
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness of 1-3/4" minimum and maximum door size of 4'0" x 8'0".
- Use manufacturer-provided templates to mark mounting hole locations accurately on door header and floor base positions.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for both top and bottom pivot components.
- Install top pivot in header mount position and bottom pivot with base plate mount using tilt-on bearing and bearing pin installation method.
- Adjust floor to door clearance between 3/16" to 3/4" and utilize 3/16" vertical adjustment range with positive locking mechanism for proper alignment.
- Test pivot operation to verify smooth door movement and proper load distribution throughout the full range of motion. 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 Ives Quality?
Ives pivot systems deliver professional-grade reliability with precision brass construction and bearings rated for heavy-duty commercial applications up to 300 pounds. Certified to ANSI/BHMA A156.4 Grade 1 standards and UL 10C tested for 20-minute fire rating, this pivot set provides the structural load distribution and corrosion resistance essential for demanding commercial door applications. The positive locking vertical adjustment mechanism ensures precise installation and long-term performance reliability.
Manufacturer Resources
Product Specs
- Product Group:
- Door Hinges and Pivots
- Subcategory:
- Hinges and Pivots
- Hang Type:
- Center Hung
- Product Subgroup:
- Pivots and Pivot Sets
- Product Type:
- Pivots - Center Hung
- ANSI/BHMA:
- ANSI/BHMA A156.4 C07032
- Door Weight:
- Up to 300 lbs
- Commercial/Residential:
- Commercial
- Duty Level:
- Heavy Duty
- Fire Rated Time:
- 20 minutes
- Electronic:
- No
- Pivot Type:
- Top & Bottom
- Mounting Method:
- Center Hung
- Application:
- Standard Door
- Product Attribute:
- Pivots
- Product Model:
- 7253
- Door Hand Direction:
- Non-Handed
- Fire Rating:
- Yes
- Product Category:
- Door Hinges and Pivots
- Product Substrate:
- Brass
- Department:
- Door Hardware