Von Duprin 9848F-4ft Fire Rate...
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$4,710.40
Von Duprin 9848-F Series - Fire Rated 4 ft Smooth Case Wide Stile Concealed Vertical Rod Exit Device, Less Dogging

Von Duprin 9848F-4ft Fire Rated Concealed Vertical Rod Exit Device, 48" Wide Stile, Less Dogging

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Model: 9848EO-F 4 US26
$4,710.40
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Von Duprin 9848F-4ft Fire Rated Concealed Vertical Rod Exit Device, 48" Wide Stile, Less Dogging

Commercial-Grade Fire Exit Hardware for Institutional and High-Traffic Applications

The Von Duprin 9848F-4ft is a fire rated concealed vertical rod exit device from the heavy-duty 98/99 Series, engineered for demanding institutional environments including schools, hospitals, and government buildings. This 48" wide stile device features a smooth mechanism case and a 1-1/2" bottom bolt concealed vertical rod configuration, certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed for fire exit hardware per ANSI/UL 10C. The device is non-handed, accommodating flexible installation, and is supplied with fasteners for wood or metal doors 1-3/4" thick.

Professional Features & Benefits

  • Fire-Rated Certification: UL listed for fire exit hardware per ANSI/UL 10C and CAN/ULC-S104, ensuring full compliance with fire egress code requirements in rated door assemblies.
  • ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard, delivering proven durability for high-use institutional applications.
  • 48" Wide Stile Design: Engineered for 48" door openings with a wide stile push pad configuration, providing a broad activation surface suited to high-traffic commercial and institutional facilities.
  • Concealed Vertical Rod with 1-1/2" Bottom Bolt: The 9848-F model utilizes a concealed vertical rod mechanism with a 1-1/2" bottom bolt for secure, clean-line door hardware that conceals the rod within the door.
  • Smooth Mechanism Case: Features a smooth mechanism case (as distinct from the grooved 9948-F), with center case dimensions of 8" x 2-3/4" x 2-3/8" and a product projection of 3-13/16".
  • Non-Handed Configuration: The device is non-handed except when the SS (signal switch) option is used, simplifying specification and reducing inventory requirements across multi-door projects.
  • Less Dogging Configuration: Supplied in a less dogging configuration, appropriate for fire-rated door assemblies where dogging is not permitted by code.
  • Field-Configurable Options & Retrofit Kits: Supports a broad range of field-configurable options including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, RX (request to exit) and LX (latchbolt monitoring) electronic switches, and upgrade options such as AX (ADA-compliant, certified to 5 lb. force per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4), CX (CHEXIT delayed egress, 15-second delay per NFPA and IBC), and XP patented 2-piece latchbolt design.
  • Included Fasteners: Fasteners included for wood or metal doors 1-3/4" thick, supporting straightforward installation on standard commercial door preparations.

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: 9848F-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 and Mixed-Use Properties
  • Retail Establishments Requiring Fire-Rated Egress Compliance

Delayed Egress Compliance

The 9848F-4ft is compatible with the CX (CHEXIT) delayed egress upgrade option, which meets NFPA and IBC requirements for delayed egress applications. When configured with CHEXIT, the device keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant delayed egress functionality for facilities requiring controlled exit management.

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed for fire exit hardware per ANSI/UL 10C and CAN/ULC-S104, representing the highest industry standards for commercial egress hardware. The 98/99 Series is purpose-built for high-use and high-abuse institutional environments, with a breadth of field-configurable options and retrofit kits that allow the device to evolve alongside changing facility technology requirements. 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:
9848F-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 9848EO-F 4 US26 – Frequently Asked Questions

1) Will the Von Duprin 9848F concealed vertical rod device fit a 1-3/4 inch metal door?
Yes. The 9848F is built for 1-3/4 inch doors, and that is the only thickness it covers. Fasteners ship with it for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. Note the device itself is listed as not wood door compatible, so plan it on hollow metal.
2) Why does the 9848F have no dogging, and can I add hex dogging to it?
It is supplied less dogging because it is fire exit hardware. Fire rated doors have to latch every time, so mechanical dogging is not permitted on them by code. If you need the door to push-pull freely during business hours, use electric latch retraction (EL or QEL) on a fire rated opening, which releases on fire alarm, or specify a non-rated device for a non-rated opening.
3) Is the Von Duprin 9848F handed, and why do I still have to pick RHR or LHR when ordering?
The device is non-handed except when the SS signal switch option is used. Handing still gets specified on the order because trim, lever, and switch options need it, and it determines how the assembly is prepped, but the chassis itself will work either way.
4) Does the Von Duprin 9848F carry a fire label and a Grade 1 rating?
Yes on both. The 9848F is certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed for fire exit hardware per ANSI/UL 10C and CAN/ULC-S104, which is what an inspector will look for on a rated stair or corridor opening in a school or hospital.
5) Do I need a mullion for a pair of doors if I use the 9848F?
No. A concealed vertical rod device latches into the frame head and the threshold rather than into a strike on the opposite leaf, so a pair can be fitted with two CVR devices and no center mullion, leaving the full opening clear. If you would rather keep a mullion and use rim devices, that is a different device family, not this one.
6) Can the 9848F be set up for access control with request to exit and electric latch retraction?
Yes. Switch options include RX request to exit, LX latchbolt monitor, LX-RX combination, WP-RX waterproof, RX-LC low current, RX-2 double RX, SS signal switch, and ALK alarm kits with or without RX and LX. For latch retraction you can specify EL, QEL quiet electric, or PN pneumatic. Delayed egress is handled by the CX CHEXIT option, which holds the door 15 seconds with a nuisance alarm per NFPA and IBC.
7) I need a concealed vertical rod device on a wood door. Is the Von Duprin 9848F the right choice?
Not for a wood door. The 9848F is listed as not wood door compatible. The BEST Precision 2701 Series is a wide stile reversible CVR made for wood doors, and it is the better fit for that opening.
8) What other fire rated wide stile concealed vertical rod exit devices can be used in place of the Von Duprin 9848F-4ft?
The Von Duprin 9848F-4ft is a Grade 1 fire rated wide stile concealed vertical rod device. Fire rated wide stile CVR alternatives include the Adams Rite 3600 Series and the Adams Rite 3900 Series, both Grade 1 wide stile with a fire rating, and the Sargent 12-MD8613, a Grade 1 fire rated wide stile CVR device in classroom function. The Von Duprin unit is non-handed except with the SS signal switch option, while the Sargent 12-MD8613 is specified by its classroom function.
9) Which concealed vertical rod exit device should I use on a narrow stile aluminum door instead of the Von Duprin 9848F?
The Von Duprin 9848F-4ft is a wide stile device and will not fit a narrow stile aluminum profile. For narrow stile openings, the Adams Rite 8600 Series is a Grade 1 narrow stile concealed vertical rod device for aluminum doors, and the Corbin Russwin ED4800 is a Grade 1 narrow stile CVR for 1-3/4 inch doors. The Adams Rite 8600 is non-fire rated, so confirm the opening is not a rated assembly before specifying it.
10) Is there a non-fire-rated version of a wide stile concealed vertical rod device if the opening is not a rated assembly?
The Von Duprin 9848F-4ft is UL listed fire exit hardware and comes less dogging, which is what a rated assembly requires. On a non-rated opening you can dog the device down, and non-fire-rated Grade 1 wide stile CVR options include the Adams Rite 8500 Series for hollow metal doors and the DORMA 9100 Series wide stile pushpad, which covers doors 1-3/4 inch to 2-1/4 inch thick. The Sargent MD8613F-LTRIM is a Grade 1 heavy duty CVR supplied with hex dogging.
11) What looks like a substitute for the Von Duprin 9848F-4ft but will not work on a fire rated opening?
Several concealed vertical rod devices share the 9848F-4ft's Grade 1 rating and wide stile format but are not fire rated: the Adams Rite 8500 Series, the DORMA 9100 Series wide stile pushpad, and the narrow stile DORMA 9600BB. The Falcon 1491DT is a dummy trim device with a 9970 pull and provides no latching at all. On a rated assembly you need hardware UL listed as fire exit hardware, which is what the 9848F-4ft carries.
12) How much does the 9848F exit device stick out from the door face?
Projection is 3-13/16 inches, with a center case measuring 8 x 2-3/4 x 2-3/8 inches. That projection is what you check against a corridor clear width or a door that swings near a wall return.
13) Will the 9848F latch into my existing top strike, or do I need new strikes?
The latch throw is 3/4 inch, and the device uses a concealed vertical rod with a 1-1/2 inch bottom bolt. Von Duprin top and bottom strikes are supplied with the device and should be used. Existing strikes from another manufacturer's CVR are unlikely to match the bolt geometry, so plan on installing the strikes that come with it.
14) What is the difference between the Von Duprin 9848F and the 9948F?
Mechanism case finish is the difference. The 9848-F has a smooth mechanism case; the 9948-F is the grooved case version of the same fire rated concealed vertical rod device. Function, rating, and mounting are the same, so it comes down to which case look the spec calls for.
15) What trim and lever options can I order with the 9848F?
Trim functions run from exit only and dummy trim through night latch, knob, lever, thumbturn and thumbpiece versions, including blank escutcheon, key capture and night latch variants. If you pick an L lever function, you then choose the lever design: 06 is the default, with 01, 02, 03, 05, 07, 17 and 18 also available. Exit only means no outside operation at all.
16) How do I make an exit device opening ADA compliant on a 9848F?
Specify the AX accessible device option. AX is certified to 5 lb. operating force per 2010 ADA chapters 404.2.7 and 30934 and 2013 California Building Code chapter 11B-309.4. It is a yes/no choice made at order time, so it has to be called out on the purchase order.
17) Will the 9848F match the rest of the exit hardware I already have from Corbin Russwin?
It will not key or part-interchange with a Corbin Russwin device. If you are standardizing a building on Corbin Russwin, the ED5800 is their Grade 1 wide stile concealed vertical rod for 1-3/4 inch doors, exit only or accepting trim, which is the closest equivalent in their line. If the standard is Von Duprin 98/99, stay with the 9848F.
18) If I only need push-to-exit with no outside trim, is there a simpler alternative to the Von Duprin 9848F-4ft?
The Von Duprin 9848F-4ft can be ordered in EO exit only trim function as well as knob, lever, night latch, thumbturn and thumbpiece configurations. If exit only is all the opening needs, dedicated exit only CVR devices include the CRL Jackson 1085 Series, a 48 inch non-handed wide stile exit only panic device, the BEST Precision 2601 Series narrow stile non-handed exit only device, and the Falcon 1990EO, a Grade 1 narrow stile exit only device in 44 inch. Note the CRL and BEST units are sized and styled differently from the 48 inch wide stile Von Duprin.
19) I need a crossbar style concealed vertical rod device rather than a push pad. What are my options?
The Von Duprin 9848F-4ft uses a push pad with bar options including standard, Braille, knurled, emergency exit and safety glow. For a true crossbar mechanism, the Corbin Russwin ED7800 is a Grade 1 narrow stile crossbar concealed vertical rod device for 1-3/4 inch doors that accepts operator trim.
20) What finishes does the Von Duprin 9848F come in for matching existing hardware in a building?
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 626 and 630 are the usual standards.
21) What are the push bar options on the 9848F, and when would I use something other than the standard bar?
Besides the standard bar you can order BR braille, KN knurled, RSS emergency exit push bar, or SG safety glow. Knurled bars are the tactile warning used on doors leading to hazardous areas, braille and safety glow show up in schools and healthcare where egress signage is scrutinized.
22) Can the 9848F be made quieter for a hospital corridor or a library?
Yes, two ways. QM Quiet Mechanical is a yes/no option on the device itself, and QEL quiet electric latch retraction is available if the opening is on access control. Both cut the mechanical noise of the latch cycling, which is the usual complaint on healthcare and education corridors.
How fast can I get the Von Duprin 9848EO-F 4 US26 delivered?
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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-F 4 US26 come with a warranty?
Absolutely. The Von Duprin 9848EO-F 4 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 Von Duprin 9848EO-F 4 US26?
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