DORMA 8956 Series Surface Clos...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$717.00
$365.62
Dormakaba DORMA 8956 Series Surface Closer, T-Track Pull Side Door Mounted, Adjustable Size 5-6 DOR-8956-T

DORMA 8956 Series Surface Closer, T-Track Pull Side Door Mounted, Adjustable Size 5-6

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Model: 8956-T-FC-SN1-689
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DORMA 8956 Series door closer

Heavy-Duty Surface Applied Door Closer

The 8900 door closer series designed to provide a highly flexible door control system suitable for institutional or high-traffic commercial applications. Its hydraulic control system features a full range spring power adjustment and backcheck, along with a narrow projection full cover and flatform style arm.

Door closer ANSI/BHMA Grade 1 certified.

  • Long term performance
  • Adjustable spring sizes and power
  • Meets barrier-free requirements
  • Adjustable backcheck
  • Backed by 25 year warranty

Product details

Features

Controlled opening with backcheck feature

The 8900 Series hydraulic backcheck feature protects doors and their adjacent structures. It’s valve adjustment regulates backcheck intensity. In addition, a backcheck positioning adjustment for parallel arm applications provides a consistent range similar to regular and top jamb applications.

Long term performance

The 8900 Series heavy-duty, 10 million cycle closers represent the latest in door control technology, combining over a quarter century of proven performance with its hydraulic control system and modern architecturally styled aesthetics. It results in the perfect combination of durability, reliability, and appearance.

Barrier-free

The 8900 Series, with the fully adjustable spring, also meets barrier-free accessibility requirements.

Product downloads

Architectural documentsInstruction sheetsTechnical BrochureTechnical drawings CAD PDF

Manufacturer Resources

Product Specs

Product Group:
Door Controls
Series:
8900 Series
Grade:
Grade 1
Duty Level:
Heavy Duty
ADA Compliant:
Yes
Warranty:
25 Year
Closer Size:
5 to 6
Product Subgroup:
Door Closers - Surface Mounted
Product Type:
Surface Mounted Door Closers
Subcategory:
Surface Mounted Closers
Door Weight:
180
Endurance Cycles:
10,000,000
Fasteners:
Sex Nuts for 1-3/4" Door
Commercial/Residential:
Commercial
Product Model:
8956
Product Function:
T-Track Pull Side Door Mounted
Door Hand Direction:
Non-Handed
Product Size:
48"
Product Category:
Door Controls
Product Substrate:
Aluminum
Department:
Door Hardware

Dormakaba 8956-T-FC-SN1-689 – Frequently Asked Questions

1) Will the DORMA 8956 closer handle a heavy exterior door, and how big a door is it sized for?
The 8956 is a heavy duty closer with spring power adjustable across sizes 5 to 6, rated for doors up to 180 lbs. That puts it at the top end of the surface closer range, which is where you want to be on wide or heavy exterior entrances in institutional and high traffic commercial buildings. Endurance is rated at 10,000,000 cycles.
2) Is the DORMA 8956 a left hand or right hand closer?
Non-handed. The same 8956 unit works on left hand and right hand doors, so property managers standardizing across a building can stock one part number instead of two.
3) Where does the DORMA 8956 mount, on the pull side or the push side?
Pull side, door mounted, with the T-track slide arm running on the frame. That is the mounting where the closer body sits on the door face on the hinge (pull) side. If your opening only allows push side hardware, such as a door that opens out into a corridor with no room on the pull face, you need a parallel arm or top jamb application instead, not this configuration.
4) Does the DORMA 8956 meet ADA opening force requirements?
Yes. The 8956 is ADA compliant, and the fully adjustable spring is what gets you there, letting you dial opening force down to meet barrier free accessibility on interior accessible routes while still closing and latching the door.
5) Is the DORMA 8956 door closer ANSI Grade 1?
ANSI/BHMA Grade 1 certified, with a 10 million cycle rating. For a spec writer or facilities buyer on a school, hospital, or government job where the door schedule calls out Grade 1 surface closers, the 8956 meets that line item.
6) What fasteners come with the DORMA 8956 and will they work on my door?
It ships with sex nuts sized for a 1-3/4 inch door. Sex nuts (through bolts) are what you want on a hollow metal or wood door where wood screws or machine screws into the door face would pull out under a size 5 or 6 spring. If your doors are a thickness other than the standard 1-3/4 inch commercial leaf, the supplied through bolts will not be the right length.
7) What other heavy duty Grade 1 surface closers could I use instead of the DORMA 8956?
For a like for like heavy duty Grade 1 surface closer, the BEST HD8000 Series and the BEST EHD9000 Series both list heavy duty and Grade 1, as does the Falcon SC71A. The Sargent 1431 Powerglide and the LCN 1460T are the other heavy duty options. Note those are arm style closers rather than the slide track configuration of the 8956; the closest slide track equivalent in the set is the Corbin Russwin DC5230, a Grade 1 pull side slide track arm closer.
8) What is the closest slide track pull side alternative to the DORMA 8956 surface closer?
The Corbin Russwin DC5230 is the nearest match in function. It is a Grade 1 surface door closer with a slide track arm as standard in a pull side mounting, which is the same arm style and mounting side as the DORMA 8956 T-track pull side door mounted closer. The DC5230 is listed for 1-3/4 inch doors, and the 8956 ships with sex nuts for a 1-3/4 inch door, so both suit a standard commercial leaf. Both carry Grade 1 certification.
9) Which closer covers the same size 5-6 spring range as the DORMA 8956?
The DORMA 8956 is adjustable size 5 to 6 for doors up to 180 pounds, which is a narrow high-power band aimed at large or exterior leaves. Closers that reach into that range include the BEST EHD9000, an extra heavy duty Grade 1 closer with adjustable spring sizes 1-6, the Imperial USA TC4300, a Grade 1 heavy duty size 1-6 ADA closer, and the Accentra 2701, an architectural closer with adjustable spring sizes 1-6. Each of those spans the lighter sizes as well, so one part number can cover both wide and narrow openings on the same job.
10) What is the difference between a slide track closer like the DORMA 8956 and a standard projecting arm closer?
A T-track closer uses a slide arm that runs in a track on the frame, so the arm stays tight to the door and has a narrow projection instead of the scissor arm that sticks out into the opening. Buyers pick it for appearance and for openings where a projecting arm would be grabbed, hit, or vandalized. A standard regular arm unit like the Corbin Russwin DC3200 or a tri-pack arm closer such as the Norton Rixson 8501A gives you more mounting flexibility on the same door but leaves the arm exposed.
11) What finishes does the DORMA 8956 come in?
Two: 689 aluminum and 695 dark bronze, both painted over an aluminum body. 689 is the default match for clear anodized aluminum storefront and most painted hollow metal; 695 pairs with dark bronze anodized frames. If the rest of your door hardware is 626 satin chrome, 689 is the closest of the two.
12) Does the DORMA 8956 have backcheck to stop the door slamming into the wall?
Yes, adjustable hydraulic backcheck is built in, with a valve that sets how hard the backcheck bites. On parallel arm applications the series also has a backcheck positioning adjustment so the cushioning starts at a consistent point, same as regular and top jamb mountings. On an exterior door catching wind, this is the feature that saves the door, the frame, and the wall behind it.
13) Is the DORMA 8956 overkill for a light interior office door?
Probably, yes. Spring power on the 8956 starts at size 5 and it is built for 180 lb doors in high traffic institutional use. On a light interior door you would be fighting the spring even at its lowest setting. For those openings, look at a light duty Grade 1 unit such as the BEST SL6000 Series, the Arrow DC314, or the LCN 1250 sizes 1 through 5.
14) What size track comes with the DORMA 8956 slide track closer?
The track is 48 inches. That is the piece that mounts to the frame face above the door, so confirm you have a continuous flat 48 inch run of frame or header with no stops, transom bars, or signage in the way before the closer goes up.
15) Can I use one DORMA 8956 model across all the entrances in my building instead of ordering different sizes?
On heavy openings, yes. Because spring power adjusts through sizes 5 and 6 and the closer is non-handed, one 8956 covers a range of heavy doors left and right hand, and the installer sets the power on site. That cuts a door schedule down to one SKU per finish for those openings. Lighter interior doors still need a lower powered closer.
16) What should I specify for a door that needs mechanical hold open instead of the DORMA 8956?
The DORMA 8956 is supplied as a T-track pull side door mounted closer and is non-handed. For an opening that requires a hold open arm, the Accentra 51 Series is a tri-packed hold open closer covering sizes 1-6, and the Orca Hardware BHDC1958HO/PA is a hold open closer with a parallel bracket for 1-3/4 inch doors. Both give a mechanical hold open that the standard 8956 arm does not provide.
17) Is there a simpler regular arm closer from the same Grade 1 tier for interior doors on the same project?
Yes. Where the DORMA 8956 T-track closer is specified on the main entrances, interior leaves are often covered by a regular arm Grade 1 closer such as the Corbin Russwin DC3200, a Grade 1 regular arm surface mounted closer for 1-3/4 inch doors, or the Norton Rixson 8501A, a Grade 1 medium duty tri-mount closer with an adjustable size 1-6 spring. Both hold the same Grade 1 certification as the 8956 while using a conventional projecting arm.
18) Does the Arrow DCN500DP drop plate work with the DORMA 8956?
No. The DCN500DP is a parallel drop plate made for the Arrow DCN500 closer, not a closer body and not a DORMA accessory. The DORMA 8956 is a complete surface mounted closer in the 8900 Series with a T-track pull side door mounted arm, supplied with sex nuts for a 1-3/4 inch door. Mounting accessories for the 8956 need to be DORMA 8900 Series parts for that track application.
19) For a barrier free opening, what alternatives to the DORMA 8956 meet ADA?
The DORMA 8956 is ADA compliant with its fully adjustable spring meeting barrier-free requirements. Comparable barrier-free options include the Cal-Royal 500S, a Grade 1 barrier free closer with adjustable back-check, the Cal-Royal N900PBF barrier free Grade 1 hydraulic surface closer, and the Calibre CA9901, a Grade 1 ADA surface mount closer with a tri-pack arm in sizes 2-5. The 8956 differs in using a T-track pull side arm rather than a projecting tri-pack arm.
20) Is a Grade 2 closer such as the Cal-Royal 400 an acceptable substitute for the DORMA 8956?
Not where the specification calls for Grade 1. The DORMA 8956 is ANSI/BHMA Grade 1 certified, heavy duty, and rated to 10,000,000 cycles for institutional and high traffic commercial use. The Cal-Royal 400 Series is a Grade 2 commercial hydraulic door closer, a different certification tier. For a Grade 1 Cal-Royal alternative, the 700S Series is a Grade 1 dual valve sized closer with an adjustable tube arm.
21) What is the difference between the DORMA 8956 and the LCN 1460T for a heavy traffic entrance?
Both are heavy duty closers for high traffic service. The DORMA 8956 is an aluminum-bodied Grade 1 closer rated to 10,000,000 cycles, adjustable size 5 to 6, using a T-track pull side door mounted arm. The LCN 1460T is a heavy duty Grade 1 commercial surface mounted closer in a powder coat finish. The deciding factor is the arm: the 8956 needs a slide track application, while the 1460T is a conventional surface closer.
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Does the Dormakaba 8956-T-FC-SN1-689 come with a warranty?
Absolutely. The Dormakaba 8956-T-FC-SN1-689 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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