Ives 7255 Center Hung Pivot Se...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$581.40
$374.29
Ives 7255 Center Hung Pivot Hinge Set — top pivot, bottom base with bearing, and bottom base with pivot pin shown flat, 500 lb capacity

Ives 7255 Center Hung Pivot Set, 500 lb Capacity, Fire Rated

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Model: 7255 SET US26
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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

  1. 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".
  2. 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.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for center hung pivot installation.
  4. Install top pivot in header mount position and bottom pivot with base plate mount, securing all mounting hardware per manufacturer torque specifications.
  5. 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.
  6. 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.

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
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

Ives 7255 SET US26 – Frequently Asked Questions

1) Do I have to order the top and bottom pivot separately on the Ives 7255?
Your call. The 7255 is sold three ways: 7255T top base only, 7255B bottom base only, and 7255S as the complete top and bottom set. If you are hanging a new door, take the set. If you are replacing one failed half on a door that already runs on 7255 hardware, order just that half in the matching finish.
2) Does the Ives 7255 pivot set need to be handed left or right?
No handing to specify. The 7255 is non-handed, so the same top base, bottom base, or set works on a left hand or right hand opening. For a property manager standardizing several doors, that means one part number and one finish covers the whole run regardless of swing direction.
3) How much floor clearance can I set with the Ives 7255 bottom pivot?
Floor to door clearance adjusts from 3/16 inch up to 3/4 inch, with 3/16 inch of vertical adjustment range and a positive locking mechanism to hold the setting. That range is what lets you clear carpet, a threshold, or an uneven slab after the door is hung, rather than shimming the base plate.
4) What is the closest alternative to the Ives 7255 center hung pivot set for a heavy commercial door?
For a heavy door, the Dorma 8062 walking beam center hung top pivot is the nearest heavy duty peer, and it ships as a complete top pivot with cover plate. The difference that decides the job is fire rating: the Ives 7255 is fire rated at 20 minutes and the Dorma 8062 is not fire rated. On a labeled opening the 7255 is the one that carries the rating; on an unlabeled heavy door either heavy duty pivot is in scope. The 7255 is also a top and bottom pivot arrangement, so a top-only part like the 8062 covers only half the opening.
5) Will an Ives 7255 pivot work on an aluminum storefront door?
No. The Ives 7255 is a center hung pivot, which sets the pivot point inboard of the door edge and requires door and header prep for that geometry. Aluminum storefront leaves are built for offset pivots cut to the stile of a specific door line. Kaba Ilco covers those: the IL-OP-12 Series for Armalite and Trulite style doors, the IL-OP-13 Series 1/8 inch recessed pivot set for aluminum doors and frames in YKK style, the IL-OP-14 Series for US Aluminum and Arcadia style doors, and the IL-OP-15 Series for Pittco and Efco style doors. Identify the storefront line before ordering, since these series are not interchangeable with each other.
6) Which pivot should I use for a hospital door that swings both ways instead of the Ives 7255?
Hager builds three heavy duty hospital pivot sets and the floor decides which one. The Hager 510 Camtrol double acting hospital pivot set is for wood floors. The Hager 511 is a mortise hospital pivot set for masonry floor installation. The Hager 512 is a Camtrol double acting surface hospital pivot set for masonry floor applications, which is the surface answer where you cannot cut into the slab. All three are heavy duty like the Ives 7255 but none is fire rated, so on a labeled corridor door the 7255 is the pivot that carries the 20 minute rating.
7) Can the Dorma CP440 pivot set be used in place of the Ives 7255?
Only on a door that is neither labeled nor over 440 pounds. The Dorma CP440 is a double acting center hung pivot set for wood or steel doors rated up to 440 lb, and it is a standard duty, non fire rated set. The Ives 7255 is heavy duty, carries a 20 minute fire rating, and takes doors up to 500 lbs. The CP440 also swings double acting, so it suits a two way door; the 7255 is non-handed but is a single acting center hung arrangement. Match the swing first, then the weight, then the label.
8) What is a lighter duty center hung pivot for a 1-3/8 inch door instead of the Ives 7255?
The Hager 500 full mortise center hung pivot with rack and pinion is the standard weight option, in brass construction, and it lists a door thickness range of 1-3/8 inch to 1-3/4 inch. The Ives 7255 is specified for doors 1-3/4 inch minimum, so a 1-3/8 inch leaf falls to the Hager 500. Note the Hager 500 is standard duty and not fire rated, so it is not a swap on a labeled opening or on a door approaching 500 lbs.
9) Which center hung pivot meets a 20 minute fire label requirement?
Among center hung pivots, the Ives 7255 is the one that carries a fire rating, tested to UL 10C for 20 minutes and certified to ANSI/BHMA A156.4 C07032. The Dorma CP440, Dorma 8062, and Hager 500 center hung pivots are not fire rated. For a labeled opening in a healthcare, education, or government facility, that rating is the deciding line, and the 7255 is non-handed so one part number covers openings of either hand.
10) Center hung pivot or butt hinges for a heavy commercial door?
Center hung pivots like the Ives 7255 carry the door load down through the bottom pivot into the floor and structure instead of hanging it off the frame, which is why they get specified for heavy leaves where hinges would pull the jamb. The trade is prep: the 7255 needs a header mount at the top and a base plate mount at the bottom, both templated and routed, where hinges only need jamb and edge prep. If your door is under 500 lbs but the floor cannot be drilled or the frame is already hinge prepped, pivots are the harder retrofit.
11) Is the Kaba Ilco IL-OP-13 offset pivot set a substitute for the Ives 7255 center hung pivot?
They are different hanging methods and not interchangeable. The IL-OP-13 Series is a 1/8 inch recessed pivot set for aluminum doors and frames in the YKK style, and it is standard duty and not fire rated. The Ives 7255 is a center hung, non-handed, heavy duty set rated to 500 lbs with a 20 minute fire rating. Swapping one for the other means re-preparing the door and frame, since offset pivots hang the leaf off the stile edge while the 7255 pivots the door about a point set in from the edge.
12) Is a rack and pinion center hung pivot the same thing as the Ives 7255?
No, and the mechanism is the tell. The Hager 500 is a full mortise center hung pivot with rack and pinion in standard weight brass, standard duty and not fire rated, for doors 1-3/8 inch to 1-3/4 inch. The Ives 7255 is a brass, heavy duty center hung set using a tilt on bearing and bearing pin with a positive locking vertical adjustment, rated to 500 lbs and fire rated for 20 minutes. Both are center hung and both are brass, but the prep and the load class are different, so confirm which mechanism is in the existing door before ordering a match.
13) What finishes does the Ives 7255 pivot come in?
Thirteen finishes, and all thirteen are offered on the top base, the bottom base, and the complete set: 605 bright brass, 606 satin brass, 612 satin bronze, 613 satin bronze oil-rubbed, 619 satin nickel, 622 matte black, 625 bright chrome, 626 satin chrome, 643E aged bronze, 689 aluminum painted, 691 bronze painted, 695 dark bronze, and 706 brass painted. Matching an existing run of doors is straightforward because you can buy a single replacement half in the same finish as the set.
14) What is the Ives 7255 pivot made of and will it hold up in a wet or coastal entry?
Brass construction, which is what gives it corrosion resistance in high-humidity and exterior-adjacent openings. Combined with heavy duty rating and the tilt-on-bearing and bearing pin design, it is built for commercial traffic rather than light residential use.
15) Is the Ives 7255 pivot electrified or does it carry power through the door?
No power transfer. The 7255 is a mechanical pivot set only, so if the door needs an electrified lock, maglock, or card reader you will be running power through a separate electric hinge, power transfer, or door loop.
How fast can I get the Ives 7255 SET US26 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Ives 7255 SET US26 come with a warranty?
Absolutely. The Ives 7255 SET US26 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Ives 7255 SET US26?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Ives 7255 SET US26 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.

Product Reviews

  • 5
    Heavy-Duty Pivot Power!

    Posted by Lauren on Aug 21st 2023

    The Ives center-hung pivot is a beast! Handles my heavy door like a champ. Smooth swing is a plus. Just remember, installation can be a bit tricky. Worth it for the stability it brings!

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