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
- Available as 8916 with fully adjustable spring sizes 1–6. Size 1 (5 lb opening force) meets interior barrier-free AD requirements.
- 8916 may be used on doors up to 48" wide interior (42" wide exterior) and up to 180 lb.
- 8956 available with adjustable spring sizes of 5–6 +50% for use on exceptionally wide, tall, or heavy doors.
- Non-handed for regular, top jamb, and parallel arm applications.
- Backcheck (BC) valve (standard) provides adjustable-intensity hydraulic cushioning, preventing uncontrolled door opening to protect door and frame during abusive or abrupt opening.
- POS backcheck positioning valve (standard) maintains an effective backcheck range on parallel arm applications. Valve is accessible with the closer installed.
- Full adjustment using BC, POS, Sweep and Latch valves standard.
- Optional delayed action (DA) adjustable with separate independent valve to allow for unobstructed passage through opening.
- Full plastic cover standard. Full metal or full plastic slotted covers optional.
- All tamper-resistant (hex key) valve adjustments (including POS) accessible with closer installed.
- Standard components required for three most popular mounting configurations (Reg., TJ, PA).
- Standard fasteners include separate wood and metal screws and SN1 sex nuts for 1-3/4" thick doors.
- Full-sized templates enable accurate installation.
- A variety of specialty arm options, interchangeable across most DORMA surface closer models.
- Full complement of optional plates and brackets available for special applications.
- Screw options include self-drilling and tapping screws (DPK89) for steel door and frame applications or self-tapping screws (TPK89) for aluminum door and frame applications.
- Stainless steel (STA Series) model available.
- Available with holder/release with (EMR Series) or without (EMF Series) photoelectric detector to control spread of smoke and fire.
- ANSI/BHMA A156.4 Grade 1 certified.
- UL and CUL listed.
- Meets UL10C for positive pressure.
- Meets ANSI/BHMA A117.1 and ADA for barrier-free accessibility.
- CSFM approved.
- The heavy-duty 8900 Series non-handed surface applied door closer with adjustable spring power and backcheck positioning adjustment.
- The 8900 has two independent, noncritical adjust-ment valves to control sweep and latch closing speeds.
- The back-check positioning valve maintains an effective backcheck range on parallel arm applications.
- The 8916 will be available with field adjustable spring power from size 1–6 for barrier-free requirements.
- All closers to have field adjust-able spring power from size 1–6 and meet barrier-free require-ments.
- The 8956 will be adjust-able size 5 to 6 +50% additional closing force over the size 6.
- 8900 fully adjustable spring force door closers to include an integral design to positively stop adjustment of the spring at the minimum and maximum spring force settings.
- The 8600 Series closer will have delayed action (DA).
- Delayed action range will be effective from maximum opening to approximately 65°
- All 8900 closers to have full metal covers.
- All 8900 closers to have sex nuts with machine screws for 1-3/8" door (SN2).
- Closers to have self-drilling screws for steel doors and frames (DPK86).
- Closers to have self-tapping screws for aluminum doors and frames (TPK86).
- Closers to have TORX security for all exposed fasteners (TX89).
- 689
- 691 (Dull)
- 690 (Statuary)
- 695 (Dark Duranodic)
- 696
- 693
- Optional DORMA Custom Color or Designer Color Finishes. Contact Customer Service.
- 605 (Bright)
- 606 (Satin)
- 611 (Bright)
- 612 (Satin)
- 613 (Oxidized Satin Oil Rubbed)
- 618 (Bright)
- 619 (Satin)
- 625 (Bright)
- 626 (Satin)
- 630 (Satin)
- For details, refer to DORMA Limited Warranty on our website at go.dorma.com/terms.
- Manual door closers, including those certified to meet ANSI/BHMA A156.4, when installed and adjusted to conform to ADA or other reduced opening force requirements, may not provide sufficient power to reliably close and latch a door.
- Refer to catalog for Low Energy Operators to meet reduced opening force requirements without affecting closing power.
- 8916 - 1–6
- 8956 - 5–6 + 50%
- 8916 - standard
- 8956 - standard
- 8916 - standard
- 8956 - standard
- 8916 - standard
- 8956 - standard
- 8916 - standard
- 8956 - standard
- 8916 - 180°–15°15°–0°
- 8956 - 180°–15°15°–0°
- 8916 - standard
- 8956 - standard
- 8916 - optional
- 8956 - optional
- 8916 - optional
- 8956 - optional
- 8916 - standard
- 8956 - standard
- 8916 - optional
- 8956 - optional
- 8916 - optional
- 8956 - optional
- 8916 - optional
- 8956 - optional
- 8916 - standard
- 8956 - standard
- 8916 - optional
- 8956 - optional
Product downloads
Architectural documentsInstruction sheetsTechnical BrochureTechnical drawings CAD PDFManufacturer 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:
- FHP-Friction Hold Open Tri-Pack
- Door Hand Direction:
- Non-Handed
- Product Size:
- 48"
- Product Category:
- Door Controls
- Product Substrate:
- Aluminum
- Department:
- Door Hardware
Dormakaba 8956-FHP-FC-SN1-689 – Frequently Asked Questions
1) Will a DORMA 8956 closer handle a 48 inch wide exterior door that keeps getting blown open?
That is exactly what the 8956 is built for. Spring power is field adjustable from size 5 to size 6 plus 50 percent additional closing force over a size 6, which is the range DORMA specifies for exceptionally wide, tall, or heavy doors. It is rated to 180 lb door weight and 48 inches. If your door is a normal interior opening, the 8916 with sizes 1-6 is the closer to use instead; the 8956 starts at size 5 and cannot be dialed down for barrier-free openings.
2) Can the DORMA 8956 be adjusted down to meet ADA opening force on an interior door?
No. The 8956's spring range starts at size 5 and goes to size 6 plus 50 percent, so it cannot be brought down to the 5 lb opening force that interior barrier-free work needs. For that, use the 8916, which adjusts from size 1 to 6 and meets barrier-free requirements at size 1. Note DORMA's own caution as well: any manual closer adjusted to reduced opening force may not have enough power to reliably close and latch, which is why a low energy operator is the right answer on those openings.
3) Do I have to specify handing or mounting when ordering the DORMA 8956 closer?
Handing, no. The 8956 is non-handed and works on left or right hand doors as shipped. Mounting, also no: it ships as a tri-pack with the standard components for the three common configurations, regular arm, top jamb, and parallel arm, including the parallel arm bracket. You pick the mounting at install time from what is in the carton.
4) What does the FHP friction hold open option on the DORMA 8956 actually do?
FHP is a friction hold open arm, so the door stays put where you swing it rather than latching into a mechanical detent. It comes in the tri-pack, meaning the same box covers regular, top jamb, and parallel arm mounting. Worth knowing before you spec it on a fire door: hold open arms are not release devices. If the opening needs to close on alarm, DORMA builds that as the EMR series with a photoelectric detector or the EMF series without one.
5) Is the DORMA 8956 closer approved for a fire rated door assembly?
The 8956 is ANSI/BHMA A156.4 Grade 1 certified, UL and cUL listed, meets UL10C for positive pressure, and is CSFM approved. It also meets ANSI/BHMA A117.1 and ADA for barrier-free accessibility. That is the paperwork an institutional or MRO buyer needs for a rated opening.
6) What screws come with the DORMA 8956 and what do I need for an aluminum storefront or a hollow metal door?
Standard fasteners are separate wood and metal screws plus SN1 sex nuts sized for a 1-3/4 inch thick door. On a 1-3/8 inch door you order SN2 sex nuts with machine screws instead. For hollow metal doors and frames, add the DPK89 self-drilling and tapping screw pack; for aluminum doors and frames, the TPK89 self-tapping pack. If exposed fasteners need to be tamper resistant, specify TX89 TORX.
7) What is a heavy-duty Grade 1 surface closer alternative to the DORMA 8956 for an exceptionally wide or heavy door?
The DORMA 8956 is a heavy duty, ANSI/BHMA Grade 1 surface closer with adjustable spring size 5 to 6 for doors up to 180 lb. Comparable heavy-duty Grade 1 surface closers include the BEST EHD9000 Series, an extra heavy-duty surface mounted closer with adjustable spring sizes 1-6, and the BEST HD8000 Series heavy duty surface mounted closer with Grade 1 certification. The Falcon SC71A is also a heavy-duty Grade 1 surface closer, and the Sargent 1431 Powerglide is a heavy-duty Grade 1 surface closer with adjustable spring power.
8) Which door closers besides the DORMA 8956 come with a hold open arm rather than a non-hold-open arm?
The DORMA 8956 FHP tri-pack ships with a friction hold open function. If a hold open arm is required on other openings, the Accentra 51 Series is a tri-packed hold open arm closer with size 1-6 adjustment, and the Orca Hardware BHDC1958HO/PA is a tri-packed hold open arm closer supplied with a parallel bracket for 1-3/4 inch doors. The Stanley Security A45-501HL uses a long hold open arm standard in a top jamb application. By contrast, the Accentra 1101BF, Accentra 2701, and Design Hardware 116 Series are tri-packed non-hold-open arm closers.
9) What is a medium-duty surface closer to specify instead of a DORMA 8956 on standard interior office doors?
The 8956 is a heavy duty closer intended for exceptionally wide, tall, or heavy doors. Where the opening is a standard interior door, medium duty Grade 1 options include the BEST HD7000 Series with adjustable spring power and backcheck control, the Sargent 1131 Grade 1 adjustable surface closer for medium-traffic commercial applications, the Sargent 1331 Grade 1 closer with universal aluminum body, and the Norton Rixson 1600 Series Grade 1 tri-mount closer. The Falcon SC81A is a medium duty Grade 1 cast aluminum surface closer, and the LCN 1450 is a medium duty closer with cast aluminum construction and spring sizes 1-6.
10) What surface closer covers the full size 1 through 6 spring range instead of the DORMA 8956 size 5-6 range?
The 8956 adjusts only from size 5 to size 6 plus 50 percent, so it will not dial down for a barrier-free interior opening. Closers with the full size 1-6 spring range include the Accentra 2701 Series architectural closer with tri-pack mounting, the Arrow DCN325 Grade 1 surface closer with regular and parallel arm tri-pack, the BEST EHD9000 Series, the Norton Rixson 8501A Grade 1 tri-mount closer, and the Imperial USA TC4300 Series Grade 1 heavy duty ADA closer.
11) Is a Grade 2 door closer an acceptable substitute for a DORMA 8956 on a high-traffic commercial opening?
The DORMA 8956 is certified ANSI/BHMA A156.4 Grade 1, heavy duty, and rated at 10,000,000 endurance cycles for institutional and high-traffic commercial use. The Cal-Royal 400 Series is a Grade 2 commercial hydraulic door closer, a different certification level than Grade 1. If a Grade 1 Cal-Royal is what the spec calls for, the Cal-Royal 500S is a Grade 1 barrier free closer with adjustable back-check, the Cal-Royal 700S is a Grade 1 dual valve sized closer with adjustable tube arm, and the Cal-Royal N900PBF is a Grade 1 barrier free hydraulic surface closer.
12) Will the DORMA 8956 stop a heavy door from slamming into the wall in a windy entry?
Backcheck is standard on the 8956, with adjustable-intensity hydraulic cushioning that stops uncontrolled opening from damaging the door and frame. On parallel arm mounting the POS backcheck positioning valve, also standard, keeps the backcheck range effective, and it can be reached with the closer installed. Sweep and latch speeds run on two independent valves. All valve adjustments are tamper resistant hex key and reachable without pulling the cover.
13) I need a hold open closer but not this much closing power. What else works?
If the opening is a standard commercial door rather than an oversized one, the 8956's size 5-6 range is more power than you want. The Accentra 51 Series is a tri-packed hold open arm closer covering sizes 1-6, and Orca Hardware's BHDC1958HO/PA is a tri-packed hold open closer for 1-3/4 inch doors with a parallel bracket. Within DORMA, the 8916 gives you the same 8900 body with a 1-6 spring range and hold open as an option.
14) Can I get delayed action on a DORMA 8956 for a door people push carts through?
Yes, delayed action is an option on the 8956 and runs on its own independent valve, so setting the delay does not disturb sweep and latch. The delay is effective from maximum opening down to roughly 65 degrees, which is enough dwell to move a cart or a bed through before the door starts closing. It has to be specified at order; it is not a field add.
15) Which closers offer a slide track or double lever arm instead of the DORMA 8956 flatform arm mounting?
The 8956 is supplied non-handed for regular, top jamb, and parallel arm applications. Where a track or double lever arm is specified instead, the Corbin Russwin DC5230 Series is a Grade 1 surface closer with slide track arm standard in pull side mounting, and the Corbin Russwin DC6200 and DC8200 Series are Grade 1 surface closers with a double lever regular arm in pull side mounting. All three are listed for 1-3/4 inch doors. The Corbin Russwin DC3200 is a Grade 1 regular arm surface closer.
16) What closer should I use instead of the DORMA 8956 if I need delayed action rather than hold open?
On the 8956, delayed action is an option with a separate independent valve, effective from maximum opening to approximately 65 degrees, and it is a different function from the friction hold open the FHP tri-pack provides. Closers supplied as delayed action include the Orca Hardware BHDC1958DA/PA, a delayed action closer with regular arm and parallel bracket for 1-3/4 inch doors, and the Orca Hardware BHDC2011DA/PA, also a delayed action closer with regular arm and parallel bracket for 1-3/4 inch doors.
17) Which other tri-pack surface closers mount regular, top jamb, or parallel arm like the DORMA 8956?
The 8956 is non-handed and ships with the standard components for the three most popular mounting configurations, regular, top jamb, and parallel arm. Other tri-mount closers include the Dexter DCH1000 and DCH4000 Series Grade 1 surface closers, tri mount for regular, parallel, or top jamb, with the DCH1000 supplied with a full cover; the Dexter DCL2000 and DCM1000 Series Grade 1 tri mount closers; the Norton Rixson 1600 Series Grade 1 tri-mount closer with 180 degree swing; and the Calibre CA9901, a Grade 1 tri-pack arm size 2-5 ADA surface mount closer.
18) What looks like a DORMA 8956 substitute in a closer search but is not a door closer at all?
The 8956 is a surface mounted door closer. Several items that turn up alongside closers do a different job: the Arrow DCN500DP is a parallel drop plate for the DCN500, a mounting accessory rather than a closer. The Stanley Security 327 is a heavy wardrobe pivot for 1-3/8 inch or 1-3/4 inch doors up to 150 lb, and the Stanley Security 341 is a wardrobe pivot for flush recessed or overlay doors 1-1/8 inch to 1-3/8 inch, both pivots that hang a door rather than control its closing. The Stanley Security 57-0100 is a box of 100 steel machine screws for architectural hinges.
19) Which heavy-duty closers are cast iron rather than aluminum like the DORMA 8956?
The 8956 has an aluminum substrate. Where a cast iron body is preferred, the Sargent 281 Powerglide is a cast iron surface door closer with heavy-duty construction, and the LCN 1261 is a surface mounted closer with adjustable spring sizes 1-5 and cast iron construction in a light to medium duty rating. For a heavy-duty closer in a powder coat finish, the LCN 1460T is a heavy duty Grade 1 commercial surface closer.
20) What is a comparable closer to the DORMA 8956 for an aluminum storefront entrance?
The 8956 is non-handed for regular, top jamb, and parallel arm applications and offers self-tapping screws (TPK89) as an option for aluminum door and frame applications. For storefront work specifically, the Norton Rixson 1600BC Series is a heavy duty Grade 1 aluminum storefront door closer with tri-style mounting. The Arrow DCN314 and DCN325 are Grade 1 surface closers supplied less cover with regular and parallel arm tri-pack, in spring sizes 1-4 and 1-6 respectively.
21) Which closers come with a cover included if I am comparing against the DORMA 8956?
The 8956 includes a full plastic cover as standard, with full metal or full plastic slotted covers optional. Among comparable closers, the Design Hardware 316 Series is a medium to heavy duty closer supplied with a cover, and the Dexter DCH1000 Series is a Grade 1 tri mount closer with a full cover. The Arrow DCN314 and DCN325 are supplied less cover.
22) What Calibre door closer corresponds to a DORMA 8956 for an ADA adjustable-spring application?
The 8956 meets ANSI/BHMA A117.1 and ADA for barrier-free accessibility with spring adjustment from size 5 to 6. Calibre offers the CA4001, a Grade 1 adjustable spring tension ADA hydraulic closer; the CA9901, a Grade 1 tri-pack arm size 2-5 ADA surface mount closer; the CA8001P, a Grade 1 parallel arm size 1 ADA surface mount closer; and the CA5501, a Grade 1 standard arm surface mount closer.
23) How long will a DORMA 8956 last on a high traffic entrance?
Rated at 10,000,000 endurance cycles and classed heavy duty for commercial use, which is why the 8900 series gets specced on institutional and high traffic openings. Body substrate is aluminum.
24) What finish and cover options does the DORMA 8956 come in?
Two finishes are stocked: 689 aluminum and 695 dark bronze. A full plastic cover is standard on the 8956; full metal covers and full plastic slotted covers are optional. If you are matching existing closers across a building, the metal cover option is usually the one that decides whether they look consistent, since it is what shows on the door.
25) What are the heavy-duty Design Hardware closers compared to the DORMA 8956?
The 8956 is a heavy duty Grade 1 closer with a friction hold open tri-pack function. Design Hardware offers the 116 Series and the 416 Series, both heavy duty closers with a tri-packed non-hold-open arm, and the 316 Series, a medium to heavy duty closer with a tri-packed non-hold-open arm supplied with a cover. All three use a non-hold-open arm rather than the hold open function of the 8956 FHP.
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