Von Duprin 9848-4ft Concealed ...
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Von Duprin 9848 Series - 4 ft Smooth Case Wide Stile Concealed Vertical Rod Exit Device

Von Duprin 9848-4ft Concealed Vertical Rod Exit Device 4 ft Wide Stile Smooth Case

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Model: 9848EO 4 US10B
$4,541.70
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Von Duprin 9848-4ft Concealed Vertical Rod Exit Device 4 ft Wide Stile Smooth Case

Heavy-Duty Wide Stile Concealed Vertical Rod Solution for Commercial Metal Doors

The Von Duprin 9848-4ft is a 4 ft (48") smooth case, wide stile concealed vertical rod exit device engineered for demanding institutional and commercial applications. Designed for use on single or double metal doors, this device is UL listed for panic exit hardware and certified to ANSI/BHMA A156.3 2014 Grade 1 standards. The 9848 features a smooth mechanism case and a 1-1/2" bottom bolt, accommodating metal doors with 86 or 161 cutouts. With a door thickness range of 1-3/4" and a non-handed configuration, this device offers flexible installation across a wide range of commercial openings.

Professional Features & Benefits

  • Wide Stile 4 ft (48") Coverage: Designed for wide stile metal doors at 48" product size, with a center case measuring 8" x 2-3/4" x 2-3/8" for a precise, professional fit.
  • Concealed Vertical Rod with 1-1/2" Bottom Bolt: The 9848 device type features a 1-1/2" bottom bolt for secure top and bottom latching on metal doors with 86 or 161 cutouts.
  • 3/4" Latch Throw: Provides reliable latching performance with a 3/4" latch throw suited for commercial-grade applications.
  • Door Thickness Compatibility: Fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick, supporting a broad range of door constructions.
  • Non-Handed Design: Non-handed configuration simplifies installation and inventory management; handing is only required when SD (special dogging) or SS (signal switch) options are selected.
  • Hex Key Dogging: Standard hex key dogging configuration allows the push pad to be held in the retracted position for high-traffic convenience.
  • ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard, with additional listings including ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132.
  • Field-Configurable Retrofit Options: Compatible with a wide range of retrofit kits and upgrades including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, RX (request to exit) and LX (latchbolt monitoring) electronic switches, AX accessible device upgrade (ADA compliant to 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4), CX CHEXIT delayed egress (meets NFPA and IBC requirements, 15-second delay with nuisance alarm), and XP patented 2-piece latchbolt design.

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: 9848-4ft
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 48"
  • Dogging Configuration: Hex Key Dogging
  • Fire Rating: No
  • Product Projection: 3-13/16"
  • Product Style: Push Pads
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Public Schools and Educational Facilities
  • Hospitals and Healthcare Institutions
  • Government and Municipal Buildings
  • Commercial Office Buildings
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential and Mixed-Use Properties
  • Retail Establishments and Shopping Centers

Delayed Egress Compliance

The Von Duprin 9848-4ft is upgradeable to the CX CHEXIT delayed egress configuration, which meets NFPA and IBC requirements for delayed egress applications. In this configuration, a standard device keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant delayed egress for facilities requiring controlled exit management.

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are engineered to the highest industry standards, with the 9848-4ft certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 305 and ANSI/UL 10C for applicable configurations. The 98/99 Series is purpose-built for high-use and high-abuse institutional environments including schools, hospitals, and government facilities, with a broad ecosystem of field-configurable options and retrofit kits to keep pace with evolving technology. Engineered for demanding commercial applications where dependable, code-compliant performance is essential.

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:
9848-4ft
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
48"
Dogging Configuration:
Hex Key Dogging
Fire Rating:
No
Product Projection:
3-13/16"
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 9848EO 4 US10B – Frequently Asked Questions

1) Will the Von Duprin 9848 concealed vertical rod device work on a wood door?
No. The 9848 is built for metal doors with 86 or 161 cutouts and is not wood door compatible. If you're hanging concealed vertical rod hardware on wood, look at the BEST Precision 2701 Series, which is a wide stile reversible concealed vertical rod device for wood doors.
2) What door thickness does the Von Duprin 9848 mount on, and does it come with fasteners?
The device is specified for 1-3/4 inch doors, the standard commercial thickness. Mounting fasteners ship with it, covering wood or metal doors 1-3/4 inch and 2-1/4 inch thick, so you're not sourcing hardware separately for a thicker leaf.
3) I need a fire-rated concealed vertical rod device - what should I use instead of the 9848?
The Von Duprin 9848-4ft is not fire rated. For a fire-rated opening, the Adams Rite 3600 Series is a Grade 1 wide stile fire-rated concealed vertical rod device for hollow metal doors, and the Adams Rite 3900 Series is a Grade 1 wide stile fire-rated concealed vertical rod with a 1-1/2 hour rating. The Sargent 12-MD8613 is a Grade 1 wide stile fire-rated concealed vertical rod device in classroom function if you need keyed outside trim on the fire door.
4) Will the Von Duprin 9848-4ft work on a narrow stile aluminum storefront door?
No. The 9848-4ft is a wide stile device with a center case measuring 8 inches by 2-3/4 inches by 2-3/8 inches, which will not fit a narrow stile aluminum rail. For narrow stile openings, use the Adams Rite 8600 Series narrow stile concealed vertical rod for aluminum doors, the Corbin Russwin ED4800 Grade 1 narrow stile concealed vertical rod, or the DORMA 9600BB narrow stile pushpad device. Falcon also builds narrow stile concealed vertical rod exit-only devices in the 1690, 1990, and 24-C series.
5) What is the closest wide stile concealed vertical rod alternative to the Von Duprin 9848-4ft on a hollow metal opening?
The Von Duprin 9848-4ft is a Grade 1 wide stile concealed vertical rod device with push pad actuation. The closest wide stile Grade 1 peers are the Adams Rite 8500 Series concealed vertical rod device for hollow metal doors, the Corbin Russwin ED5800 wide stile concealed vertical rod for 1-3/4 inch doors, and the DORMA 9100 Series wide stile pushpad device for 1-3/4 inch to 2-1/4 inch doors. All three are concealed vertical rod devices carrying a Grade 1 rating, so they address the same wide stile metal door opening the 9848 is built for.
6) Why choose a concealed vertical rod device over a rim device with a mullion on a pair of doors?
A concealed vertical rod latches at the head and the sill from inside the door, so a pair of doors secures with no center mullion in the opening and no exposed rods to get kicked or vandalized. That's why it's the usual pick for schools, hospitals and corridors that need a clear opening for carts and gurneys. The trade-off is preparation: the 9848 needs metal doors prepped with 86 or 161 cutouts. If your doors aren't prepped for concealed rods, a rim device with a removable mullion is the simpler retrofit.
7) Do I have to specify handing for the Von Duprin 9848?
The 9848 is non-handed as a base device, so one part number covers both hands of a metal door. Handing only becomes a requirement when you order the SD special center case dogging or the SS signal switch option.
8) What dogging options can I order on the Von Duprin 9848?
Hex key dogging is the standard configuration, letting maintenance hold the push pad retracted during business hours. Beyond that you can order CD cylinder dogging, CDSI cylinder dogging with security indicator, HDSI hex dogging with security indicator, SD special center case dogging, DI dogging indicator, CI cylinder dogging indicator, or LD less dogging. Schools and campuses that want staff to see latched/unlatched status at a glance usually go CDSI or HDSI.
9) Will the Von Duprin 9848 latch into my existing top and bottom strikes?
Latch throw is 3/4 inch and the device uses a 1-1/2 inch bottom bolt, so your head strike and threshold strike need to be prepped to accept those. If the opening previously carried a different manufacturer's concealed rod device, plan on the strikes and the floor prep being changed along with the device.
10) Can I get the Von Duprin 9848 with electric latch retraction or a request-to-exit switch for access control?
Yes. Latch retraction options are EL electric latch retraction, QEL quiet electric latch retraction, or PN pneumatic. For monitoring, you can specify RX request to exit, LX latchbolt monitor, LX-RX combination, WP-RX waterproof RX, RX-LC low current, RX-2 double RX, or SS signal switch, plus ALK alarm exit kit variants. QEL pairs with card readers where you want the latches pulled in on a schedule.
11) I need delayed egress on a secured exit. Can the Von Duprin 9848 do that?
It can be ordered in the CX CHEXIT delayed egress configuration, which holds the door secure for 15 seconds after a request to exit while a nuisance alarm sounds, and meets NFPA and IBC delayed egress requirements. Common for behavioral health units, retail loss prevention and memory care exits.
12) Does the Von Duprin 9848 meet ADA operating force requirements?
With the AX accessible device option, the 9848 meets the 5 lb. force requirement under 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4. Specify AX when the opening is on an accessible route; the standard device does not carry that claim.
13) What other Grade 1 wide stile concealed vertical rod devices compare to the Von Duprin 9848?
Close equivalents we carry include the Corbin Russwin ED5800, a Grade 1 wide stile concealed vertical rod for 1-3/4 inch doors available exit only or accepting trim, and the DORMA 9100 Series, a heavy duty Grade 1 wide stile pushpad device rated for 1-3/4 to 2-1/4 inch doors. The Adams Rite 8500 Series is another wide stile Grade 1 non-fire-rated option for hollow metal. Where the 9848 separates itself is the option ecosystem, hex key through cylinder dogging with indicators, electric latch retraction and CHEXIT delayed egress.
14) I only need exit-only, no outside trim - is there a simpler concealed vertical rod device than the 9848?
The 9848-4ft is offered across a broad trim range from exit only through knob, lever, night latch, thumbturn and thumbpiece functions. If the opening truly needs nothing on the outside, the CRL Jackson 1085 Series is a 48 inch non-handed concealed vertical rod panic device in exit only function, and the BEST Precision 2601 Series is an exit only, non-handed concealed vertical rod device. Falcon's 1990EO is an exit only concealed vertical rod at 44 inches, though in narrow stile.
15) What looks like a substitute for the 9848-4ft but is not an operating exit device?
Watch the dummy trim items. The Falcon 1491DT is a narrow stile concealed vertical rod device in dummy function with a 9970 pull, so it is inactive hardware for the inactive leaf and does not latch or provide panic egress. The Von Duprin 9848-4ft is a live push pad exit device with a 3/4 inch latch throw and hex key dogging.
16) My spec calls for a crossbar concealed vertical rod device instead of a push pad - what matches?
The Von Duprin 9848-4ft is a push pad style device. If the drawing calls out a crossbar, the Corbin Russwin ED7800 is a Grade 1 narrow stile crossbar concealed vertical rod exit device for 1-3/4 inch doors that accepts operator trim.
17) I have a mix of narrow, medium and wide stile doors - is there one concealed vertical rod device that covers all of them?
The Von Duprin 9848-4ft is a wide stile device only. The CRL Jackson 1285 push pad concealed vertical rod panic exit is specified for narrow, medium or wide stile in exit only function, which is the one peer covering more than a single stile width if you are standardizing across a mixed door fleet.
18) How does the Von Duprin 9848-4ft compare with the Sargent MD8613F for a 36 inch metal door?
The Sargent MD8613F-LTRIM is a heavy duty Grade 1 80 Series concealed vertical rod device for metal doors at 36 inches by 84 inches with hex dogging and lever trim. The Von Duprin 9848-4ft is a 48 inch wide stile device with hex key dogging standard, 1-3/4 inch door thickness, and lever trim among its function options. If the opening is a 36 inch leaf, the Sargent is sized to it; the 9848 at 48 inches suits wider leaves.
19) Which concealed vertical rod devices handle doors thicker than 1-3/4 inch?
The Von Duprin 9848-4ft is specified at 1-3/4 inch door thickness, with fasteners supplied for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. Among the peers, the DORMA 9100 Series wide stile pushpad device and the DORMA 9600BB narrow stile device both list a 1-3/4 inch to 2-1/4 inch door thickness range.
20) How far does the Von Duprin 9848 push pad stick out from the door face?
Projection is 3-13/16 inches, and the center case measures 8 x 2-3/4 x 2-3/8 inches. Worth checking against a wall return, an adjacent leaf, or a door pull on the opposite side so nothing binds when the door swings full open.
21) What trim functions and finishes can I order on the Von Duprin 9848?
Trim runs from EO exit only and DT dummy trim through knob and lever sets (K, K-BE, K-DT, K-NL, L, L-BE, L-DT, L-KC, L-NL), night latch (NL, NL-OP), thumbturn (TL, TL-BE) and thumbpiece (TP, TP-BE). Lever style is picked separately from 01, 02, 03, 05, 06, 07, 17 and 18. Finishes cover 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, so matching the rest of a building's openings is straightforward.
22) Can I add a braille or glow push bar to the 9848 for code or low-light exits?
Bar options include the standard bar, BR braille pushbar, KN knurled bar for tactile warning, RSS emergency exit push bar, and SG safety glow pushbar. The knurled and braille bars are what facilities usually spec where a tactile or signage requirement applies at the exit.
How fast can I get the Von Duprin 9848EO 4 US10B 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 Von Duprin 9848EO 4 US10B come with a warranty?
Absolutely. The Von Duprin 9848EO 4 US10B 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 Von Duprin 9848EO 4 US10B?
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
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