Ives 7255 Center Hung Pivot Hinge Set with 500lb Capacity and Bottom Base Mount
Heavy-Duty Center Hung Pivot Solution for Commercial Applications
The Ives 7255 Center Hung Pivot Hinge Set delivers professional-grade door support with a maximum door load capacity of 500 pounds. Designed for doors with 1-3/4" minimum thickness and not recommended for doors larger than 4'0" X 8'0", this non-handed pivot system features adjustable floor to door clearance from 3/16" to 3/4" with 3/16" vertical adjustment range and positive locking mechanism. The set includes both top and bottom pivots with brass construction and UL 10C 20-minute fire rating certification.
Professional Features & Benefits
- Heavy-Duty Load Capacity: Supports up to 500 pounds maximum door weight for demanding commercial applications requiring robust door support.
- Adjustable Clearance Range: Floor to door clearance adjustable from 3/16" to 3/4" with 3/16" vertical adjustment range and positive locking mechanism for precise installation.
- Door Size Compatibility: Recommended for use with 1-3/4" minimum door thickness and doors up to 4'0" X 8'0" maximum dimensions.
- Stress Distribution Design: Center hung configuration reduces stress on the frame by distributing door weight throughout the floor and structure, leveraging structural strength for heavy door applications.
- Fire-Rated Construction: UL 10C tested and approved for 20-minute fire rating with brass construction providing superior corrosion resistance.
- Complete Pivot Set: Includes both 7255 Top (header mount) and 7255 Btm (center hung bottom pivot with base plate mount) for complete installation.
- Easy Installation: Tilt on bearing and bearing pin design with positive locking vertical adjustment mechanism allows precise door positioning and load balancing.
- ANSI Grade 1 Certification: Certified to ANSI 156.26 Grade 1 standards exceeding industry requirements for commercial door hardware applications.
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 500 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: 7255
- 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 minimum of 1-3/4" and maximum door size of 4'0" X 8'0".
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for both top header mount and bottom base plate mount.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for center hung pivot installation.
- Install top pivot in header mount position and bottom pivot with base plate mount, securing all mounting hardware per manufacturer torque specifications.
- Adjust floor to door clearance within the 3/16" to 3/4" range using the positive locking vertical adjustment mechanism for proper alignment and load distribution.
- Test pivot operation using tilt on bearing and bearing pin mechanism to verify smooth operation 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 Ives Quality?
Ives 7255 Center Hung Pivot Hinges deliver professional-grade reliability with brass construction and precision bearings rated for heavy-duty commercial applications. UL 10C tested and approved for 20-minute fire rating with ANSI 156.26 Grade 1 certification exceeding industry standards. Engineered for demanding commercial applications where dependable performance and structural load distribution are essential.
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 500 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
- Tags:
- 7255 pivot set, ives 7255j, 7255 pivot,ives 7255 pivot set, ives 7255 pivot
- Product Model:
- 7255
- Door Hand Direction:
- Non-Handed
- Fire Rating:
- Yes
- Product Category:
- Door Hinges and Pivots
- Product Substrate:
- Brass
- Department:
- Door Hardware