Von Duprin 9847F-4ft Fire Rate...
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$2,833.60
Von Duprin 9847F-4ft Fire Rated Concealed Vertical Rod Exit Device, Wide Stile Smooth Case 48" Less Dogging

Von Duprin 9847F-4ft Fire Rated Concealed Vertical Rod Exit Device, Wide Stile Smooth Case 48" Less Dogging

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Model: 9847EO-F 4 US26D
$4,048.00
$2,833.60
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Von Duprin 9847F-4ft Fire Rated Concealed Vertical Rod Exit Device, Wide Stile Smooth Case 48" Less Dogging

Heavy-Duty Wide Stile Concealed Vertical Rod Exit Device for Single and Double Metal Doors

The Von Duprin 9847F-4ft is a fire-rated, wide stile concealed vertical rod exit device from the industry-leading 98/99 Series, engineered for demanding institutional applications including schools, hospitals, and government buildings. Featuring a smooth mechanism case and a 48" product size, this device is designed for use on single or double metal doors with a door thickness of 1-3/4" and is supplied with fasteners for wood or metal doors 1-3/4" and 2-1/4" thick. Certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 10C for fire-rated applications, this Less Dogging configuration delivers reliable, code-compliant egress performance. The device is non-handed, offering flexible installation across a wide range of openings.

Professional Features & Benefits

  • Fire-Rated Compliance: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated applications, ensuring code-compliant performance in fire-rated door assemblies.
  • ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 standards—the highest industry certification—along with ANSI/UL 305 and CAN/ULC-S132 for comprehensive compliance.
  • Wide Stile Smooth Case Design: The 9847 smooth mechanism case with wide stile push pad provides a clean architectural profile suited for high-traffic institutional environments.
  • 48" Product Size with Precise Dimensions: 48" overall product size with a center case measuring 8" x 2-3/4" x 2-3/8" and a product projection of 3-13/16" for accurate door preparation and installation planning.
  • Concealed Vertical Rod Latching: Concealed vertical rod mechanism with a 3/4" latch throw and 5/8" bottom bolt (47 suffix) provides secure top and bottom latching without exposed rods on the door face.
  • Non-Handed Configuration: Non-handed design simplifies specification and inventory management, compatible with left- or right-hand door applications without modification.
  • Included Fasteners: Fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick, supporting straightforward installation on compatible metal door assemblies.
  • Field-Configurable Options & Retrofit Kits: A broad range of field-configurable options and retrofit kits are available, including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (RX request-to-exit, LX latchbolt monitoring) to keep pace with evolving technology.
  • ADA & Delayed Egress Upgrade Paths: Optional AX upgrade meets 5 lb. force ADA requirements (2010 ADA Chapters 404.2.7 and 30934; 2013 California Building Code Chapter 11B-309.4); optional CX CHEXIT upgrade meets NFPA and IBC delayed egress requirements with 15-second hold and nuisance alarm.

Technical Specifications

  • Series: 98 & 99 Series
  • Grade: Grade 1
  • Fasteners: Included for wood or metal doors 1-3/4" and 2-1/4" thick
  • Product Group: Exit Devices and Trim
  • Product Subgroup: Exit Devices - Vertical Rod
  • Product Type: Exit Devices - Concealed Vertical Rod
  • Subcategory: Concealed Vertical Rod Exit Devices
  • Latch Throw: 3/4"
  • Commercial/Residential: Commercial
  • Stile Type: Wide Stile
  • Center Case Dimensions: 8" x 2-3/4" x 2-3/8"
  • Wood Door Compatible: No
  • MAP Policy: Yes
  • Product Model: 9847F-4ft
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 48"
  • Dogging Configuration: Less Dogging
  • Fire Rating: Yes
  • Product Projection: 3-13/16"
  • Product Style: Push Pads
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Public and Private Educational Facilities (Schools and Universities)
  • Healthcare Institutions and Hospitals
  • Government and Municipal Buildings
  • Commercial Office Buildings
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Retail Establishments Requiring Fire-Rated Egress Compliance

Why Choose Von Duprin Quality?

Von Duprin 98/99 Series concealed vertical rod exit devices are certified to ANSI/BHMA A156.3 2014 Grade 1—the highest industry standard—and carry ANSI/UL 10C and CAN/ULC-S104 fire ratings for dependable performance in fire-rated door assemblies. The 9847F-4ft features a smooth mechanism case, wide stile push pad, and a comprehensive suite of field-configurable and retrofit options, making it a versatile solution for institutional applications where code compliance and long-term reliability are essential. Engineered for high-use and high-abuse environments including schools, hospitals, and government facilities, Von Duprin delivers the professional-grade performance that demanding commercial applications require.

Manufacturer Resources

Von Duprin 98/99 Series Catalog

Product Specs

Series:
98 & 99 Series
Grade:
Grade 1
Fasteners:
Included for wood or metal doors 1-3/4" and 2-1/4" thick
Product Group:
Exit Devices and Trim
Product Subgroup:
Exit Devices - Vertical Rod
Product Type:
Exit Devices - Concealed Vertical Rod
Subcategory:
Concealed Vertical Rod Exit Devices
Latch Throw:
3/4"
Commercial/Residential:
Commercial
Stile Type:
Wide Stile
Center Case Dimensions:
8" x 2-3/4" x 2-3/8"
Wood Door Compatible:
No
MAP Policy:
Yes
Product Model:
9847F-4ft
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
48"
Dogging Configuration:
Less Dogging
Fire Rating:
Yes
Product Projection:
3-13/16"
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 9847EO-F 4 US26D – Frequently Asked Questions

1) What door thickness does the 9847F-4ft exit device work on?
1-3/4 inches, which is the standard commercial hollow metal door thickness. Fasteners are supplied for 1-3/4 inch and 2-1/4 inch doors. If your openings are 2-1/4 inch, confirm the device application before ordering; for a device family listed across a 1-3/4 to 2-1/4 inch range, the DORMA 9100 Series wide stile CVR covers that span.
2) Can I use a concealed vertical rod device on a pair of doors without a mullion?
Yes, that is exactly what a CVR device is for. The 9847F latches top and bottom into the frame head and the threshold rather than into a center mullion, so a pair of doors gets a clear opening with no removable post to store or reinstall. The rods run inside the door, so nothing is exposed on the face. The tradeoff versus a rim device with a mullion is that CVR needs a door prepped for concealed rods, which means factory prep on hollow metal.
3) Do I need to specify handing for the 9847F if the device is non-handed?
The device body is non-handed, so it installs on left or right hand openings without modification. But handing is still a required selection on the order because trim, levers, and the switch and electrification packages need to know which way the door swings. Pick RHR or LHR to match the opening as you stand on the egress side.
4) What is LBR and when do I order it on a fire rated CVR device?
LBR is Less Bottom Rod. It drops the bottom rod and latch so there is nothing running to the threshold, which is what you do on openings with carpet, uneven floors, or where a floor strike would be a trip or debris problem. On a fire rated pair you cannot simply delete the bottom latching, so the second leaf is ordered LBR-AFL, which adds an auxiliary fire pin to hold the inactive leaf at the bottom during a fire. First leaf takes plain LBR.
5) Is the Von Duprin 9847F fire rated, and to what standards?
Fire rated, and listed to ANSI/UL 10C and CAN/ULC-S104. It also carries ANSI/BHMA A156.3 2014 Grade 1 along with ANSI/UL 305 and CAN/ULC-S132 panic listings. That is the combination an institutional spec normally calls for on a fire rated egress opening in a school, hospital, or government building.
6) Why does this device come Less Dogging, and can I still hold the latches retracted during business hours?
Less Dogging is not an option here, it is a consequence of the fire rating. Mechanical dogging is not permitted on a fire rated exit device, because the latches have to be free to latch the opening in a fire. If you need the door to push-pull freely during the day, order electric latch retraction instead: EL, QEL for quiet operation, or PN pneumatic. Those release the latches on a signal and drop back to latched when power is removed.
7) Will the 9847F meet the 5 pound ADA operating force requirement?
Only if you order the AX option. AX is the accessible device upgrade and it meets the 5 lb. force ADA requirement referenced in 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4. It is a yes/no selection on the order, so on an accessible route opening make sure AX is called out.
8) What is a comparable fire rated wide stile concealed vertical rod device if I cannot use Von Duprin?
Two close matches sit in the same class. The Adams Rite 3600 Series is a fire rated Grade 1 wide stile CVR for hollow metal doors, and the Adams Rite 3900 Series is fire rated Grade 1 wide stile with a 1-1/2 hour rating. The Sargent 12-MD8613 is a fire rated Grade 1 wide stile CVR in classroom function if you need keyed outside control. On a fire rated opening, do not substitute a non-rated device such as the Adams Rite 8500 or the DORMA 9100.
9) Can I use the Von Duprin 9847F on a wood door, and what wide stile concealed vertical rod device works if not?
The 9847F-4ft is specified for metal doors and is not wood door compatible, though its fasteners cover wood or metal doors 1-3/4 inch and 2-1/4 inch thick. For a wood door application, the BEST Precision 2701 Series is a wide stile reversible concealed vertical rod device specified for wood doors. Confirm the wood door's core and concealed rod channel prep before ordering either way.
10) The opening is a narrow stile aluminum door - what concealed vertical rod exit device should be used instead of the 9847F?
The 9847F-4ft is built as a wide stile device, so it is not the right fit for a narrow stile aluminum opening. Narrow stile concealed vertical rod options include the Adams Rite 8600 Series, a Grade 1 narrow stile concealed vertical rod device for aluminum doors, the Corbin Russwin ED4800, a Grade 1 narrow stile concealed vertical rod device, and the DORMA 9600BB, a Grade 1 narrow stile pushpad concealed vertical rod device. Note that the Adams Rite 8600 and the DORMA 9600BB are published as non-fire-rated, so if the aluminum opening is in a fire-rated assembly they will not satisfy it.
11) What is the closest cross-brand equivalent to the Von Duprin 9847F concealed vertical rod exit device for a fire-rated wide stile metal door?
The Von Duprin 9847F-4ft is a Grade 1, fire-rated, wide stile concealed vertical rod device. The closest cross-brand matches on those three attributes are the Sargent 12-MD8613, a Grade 1 fire-rated wide stile concealed vertical rod device in the 8600 Series, and the Adams Rite 3600 Series, a Grade 1 fire-rated wide stile concealed vertical rod device for hollow metal doors. The Adams Rite 3900 Series is also Grade 1, fire rated and wide stile, and is published with a 1-1/2 hour rating. Any exit device swap still requires the door prep and vertical rod channel to match the new device, so confirm the opening's existing prep before substituting.
12) Which concealed vertical rod devices look like a substitute for the 9847F but will not accept lever or knob trim?
The 9847F-4ft is offered across a full range of trim functions including lever, knob, night latch, thumbturn, thumbpiece, dummy trim and exit only. Several concealed vertical rod devices that otherwise resemble it are published as exit only: the CRL Jackson 1085 Series, a 48 inch non-handed wide stile concealed vertical rod panic device, the CRL Jackson 1285 push pad concealed vertical rod panic device, the Falcon 1690EO and 1990EO narrow stile devices, and the Falcon 24-C Series. If the opening needs outside key or lever access, those exit-only devices will not cover it.
13) What trim do I order with the 9847F for outside access?
Fifteen trim functions are offered, covering exit only (EO) with no outside operation, knob and lever sets (K, L), night latch functions (NL, K-NL, L-NL, NL-OP), thumbturn and thumbpiece (TL, TP), key capture (L-KC), blank escutcheon versions of each, and dummy trim (DT). If you choose an L lever function you also pick the lever design: 01, 02, 03, 05, 06, 07, 17, or 18, with 06 as the default.
14) Can I get request-to-exit or latch monitoring on this Von Duprin device for an access control tie-in?
Yes, and there are ten switch packages to choose from: RX request to exit, LX latchbolt monitor, LX-RX combined, WP-RX waterproof RX for exterior or wash-down openings, RX-LC low current, RX-2 double RX, SS signal switch, and three alarm exit kit builds (ALK, RX-ALK, LXRX-ALK). For delayed egress, the CX CHEXIT upgrade meets NFPA and IBC delayed egress with a 15 second hold and nuisance alarm.
15) Will the 3/4 inch latch throw work with my existing strikes?
The 9847F throws 3/4 inch at the top latch and uses a 5/8 inch bottom bolt (the 47 suffix). Concealed vertical rod devices latch into a top strike in the frame head and a floor or threshold strike, not the jamb, so existing rim or mortise strikes in the frame will not be reused. Plan on the head and floor strikes that come with the device.
16) If the opening is not fire rated, is there a simpler concealed vertical rod device than the 9847F?
The 9847F-4ft carries a fire rating and is supplied less dogging, which is standard for fire-rated devices. On a non-rated opening you are free to use a device without that constraint: the Adams Rite 8500 Series is a Grade 1 wide stile concealed vertical rod device for hollow metal doors published as non-fire-rated, and the DORMA 9100 Series is a Grade 1 heavy duty wide stile pushpad concealed vertical rod device, also non-fire-rated, with a 1-3/4 inch to 2-1/4 inch door thickness range against the 1-3/4 inch thickness specified for the 9847F.
17) I need a crossbar exit device rather than a push pad - what replaces the 9847F?
The 9847F-4ft is a push pad style device. If the specification calls for a crossbar instead, the Corbin Russwin ED7800 is a Grade 1 narrow stile crossbar concealed vertical rod device that accepts operator trim, with a 1-3/4 inch door thickness. Keep in mind it is a narrow stile device where the 9847F is wide stile, so it suits a different door profile.
18) What are the alternatives to the 9847F for a wide stile metal door if fire rating is not the deciding factor?
On a wide stile metal opening where you are comparing wide stile concealed vertical rod platforms generally, the Corbin Russwin ED5800 is a Grade 1 wide stile concealed vertical rod device that is exit only or accepts trim, with a 1-3/4 inch door thickness that matches the 1-3/4 inch thickness specified for the 9847F-4ft. The BEST Precision 2801 Series is another wide stile concealed vertical rod device. The 9847F itself is non-handed and supplied in 48 inch size with a 3/4 inch latch throw.
19) I only need a dummy or inactive leaf device, not a functioning 9847F - what should I order?
The 9847F-4ft can be configured with DT dummy trim among its trim functions. If you want a purpose-built dummy instead, the Falcon 1491DT is a dummy function narrow stile concealed vertical rod device supplied with a 9970 pull in a 42 inch length, Grade 1, for 1-3/4 inch doors. Note the Falcon is narrow stile against the wide stile 9847F, so the two are not interchangeable on the same door face prep.
20) Is there a concealed vertical rod device with hex dogging I can use instead of the less dogging 9847F?
The 9847F-4ft is supplied less dogging, which is the required configuration on a fire-rated opening. If the opening is not fire rated and mechanical dogging is wanted, the Sargent MD8613F-LTRIM is a Grade 1 heavy duty 80 Series concealed vertical rod device for metal doors 36 inch by 84 inch with hex dogging. Because it is sized for a 36 inch by 84 inch door, confirm it against your opening before substituting for the 48 inch 9847F.
21) Which concealed vertical rod device gives classroom function instead of the trims offered on the 9847F?
The 9847F-4ft is ordered by trim function, with options such as lever, lever night latch, lever key capture, night latch and exit only. If the hardware schedule calls out classroom function specifically, the Sargent 12-MD8613 is a classroom function concealed vertical rod device, Grade 1, wide stile, with a fire rating - the same wide stile and fire-rated basis as the 9847F.
22) Is a narrow stile exit-only concealed vertical rod device an acceptable substitute for the 9847F on a double metal door?
It generally is not a like-for-like swap. The 9847F-4ft is wide stile, non-handed, 48 inch, fire rated, and supports handed ordering with LBR less bottom rod and LBR-AFL auxiliary fire pin configurations for the second leaf of a pair. Narrow stile exit-only devices such as the Falcon 1690EO, the Falcon 1990EO at 44 inch, and the BEST Precision 2601 Series are built for a different stile width and are published as exit only, so they do not cover an opening that needs outside trim or a matching wide stile prep.
23) What finishes does the 9847F come in for matching the rest of my building's hardware?
Twelve finishes: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 625 bright chrome, 626 satin chrome, 628 aluminum, 630 satin stainless, 643E aged bronze, 710 dark bronze anodized, and 711 flat black. For institutional corridors 630 satin stainless and 626 satin chrome are the usual standardization picks.
24) What are the push bar options, and which one do I need for a tactile or glow-in-the-dark requirement?
Five bar choices: standard, BR braille pushbar, KN knurled bar, RSS emergency exit push bar, and SG safety glow pushbar. Knurled bars are the traditional tactile warning for a door leading to a hazardous area, braille bars carry raised signage, and the safety glow bar stays visible in a smoke or power loss condition. There is also QM, a quiet mechanical option, if noise at the opening is a concern.
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Does the Von Duprin 9847EO-F 4 US26D come with a warranty?
Absolutely. The Von Duprin 9847EO-F 4 US26D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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