Von Duprin 9948-4ft 4 ft Groov...
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$4,293.37
Von Duprin 9948 Series - 4 ft Grooved Case Wide Stile Concealed Vertical Rod Exit Device

Von Duprin 9948-4ft 4 ft Grooved Case Wide Stile Concealed Vertical Rod Exit Device

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Model: 9948EO 4 US26
$4,293.37
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Von Duprin 9948-4ft 4 ft Grooved Case Wide Stile Concealed Vertical Rod Exit Device

Heavy-Duty Concealed Vertical Rod Exit Device for Institutional and Commercial Applications

The Von Duprin 9948-4ft is a 48" wide stile concealed vertical rod exit device featuring the distinctive grooved mechanism case of the 99 Series, engineered for demanding institutional environments including schools, hospitals, and government buildings. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards and UL listed for panic exit hardware, this device is designed for use on single or double metal doors with 86 or 161 cutouts. The non-handed design simplifies installation, and the device accommodates doors 1-3/4" thick with a 3/4" latch throw and a center case measuring 8" x 2-3/4" x 2-3/8", with a product projection of 3-13/16". Fasteners are included for wood or metal doors 1-3/4" and 2-1/4" thick.

Professional Features & Benefits

  • 48" Wide Stile Coverage: Designed for 48" wide stile doors, providing full-width push pad coverage for reliable egress in high-traffic institutional applications.
  • Grooved Mechanism Case: The 99 Series grooved case design distinguishes this device architecturally from the smooth 98 Series, offering a refined aesthetic for commercial and institutional settings.
  • Precise Dimensional Specifications: Center case dimensions of 8" x 2-3/4" x 2-3/8" with a 3/4" latch throw and 3-13/16" product projection ensure accurate door preparation and a clean installed profile.
  • ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard, along with ANSI/UL 305, ANSI/UL 10C (fire-rated configurations), CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for comprehensive compliance.
  • Non-Handed Design: The concealed vertical rod device is non-handed except when SD (special dogging) or SS (signal switch) options are selected, simplifying specification and inventory management.
  • Hex Key Dogging Configuration: Standard hex key dogging allows the latchbolt to be held in the retracted position for high-traffic periods, with field-configurable options available.
  • Retrofit and Upgrade Ready: Compatible with a broad range of retrofit kits 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 access control technology.
  • Broad Device Type Compatibility: The 98/99 Series platform supports rim, surface-mounted vertical rod (27), concealed vertical rod with 5/8" bottom bolt (47), concealed vertical rod with 1-1/2" bottom bolt (48), concealed vertical cable (49), 1-point concealed vertical cable (52), 3-point latching (57), and mortise lock (75) configurations.
  • ADA and Delayed Egress Options: Available with AX accessible device option certified 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 option meets NFPA and IBC delayed egress requirements with 15-second door 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: 9948-4ft
  • 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

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

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are engineered to the highest industry standards, with the 9948-4ft certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 305, ANSI/UL 10C, CAN/ULC-S104, and CAN/ULC-S132 for comprehensive compliance across commercial and institutional applications. The 98/99 Series platform is purpose-built for high-use and high-abuse environments, offering a broad range of field-configurable options, retrofit kits, and upgrade paths to meet the evolving needs of any facility. Engineered for demanding commercial applications where dependable panic egress performance and code compliance are 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:
9948-4ft
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 9948EO 4 US26 – Frequently Asked Questions

1) Can I use the Von Duprin 9948 on a wood door?
No. The 9948 concealed vertical rod device is specified for metal doors only, with 86 or 161 cutouts, on single or double door openings. Fasteners ship for wood or metal doors 1-3/4 inch and 2-1/4 inch thick, but the device itself is not wood door compatible. For a wood door application, look at the BEST Precision 2701 Series, a wide stile reversible concealed vertical rod device built for wood doors.
2) What size door does the 48 inch 9948 exit device cover?
The 9948-4ft is a 48 inch device for wide stile doors, giving push pad coverage across the full door width. Push pad style, with a projection of 3-13/16 inch off the door face once installed, and a center case measuring 8 x 2-3/4 x 2-3/8 inches. If your doors are narrow stile aluminum, this is the wrong device family entirely.
3) Do I need to specify handing for a concealed vertical rod Von Duprin 9948?
The device itself is non-handed, so one part number covers both hands in most configurations. Two exceptions: if you order SD (special center case dogging) or SS (signal switch), the device becomes handed and you have to call out RHR or LHR. Trim and lever selections are ordered alongside it.
4) Why choose a concealed vertical rod exit device instead of a rim device or surface vertical rod?
Concealed vertical rod runs the rods inside the door, so nothing hangs on the face and the device latches top and bottom. That makes it the pick for a pair of doors with no center mullion, and for appearance-sensitive openings in schools, hospitals, and government buildings. The tradeoff is that the door has to be prepped for it, hollow metal with 86 or 161 cutouts in this case. A rim device is simpler and cheaper to install but needs a mullion on a pair; surface vertical rod puts the rods on the door face where they are exposed to abuse but far easier to service. The 98/99 platform covers all of those: rim, surface vertical rod (27), concealed vertical rod (47 and 48), concealed vertical cable (49), 3-point latching (57), and mortise (75).
5) Will the 3/4 inch latch throw on the 9948 work with my existing strikes?
The 9948 throws its latchbolts 3/4 inch. Because it is a concealed vertical rod device, it does not latch into a jamb strike at all, it latches into a top strike at the head and a bottom strike or floor prep at the threshold. So the strike question is about the head and sill preps, not the frame edge. Bottom bolt length varies by device type within the platform (47 uses a 5/8 inch bottom bolt, 48 uses 1-1/2 inch).
6) Does the Von Duprin 9948 meet the 5 pound ADA operating force requirement?
Only with the AX accessible device option, which you select when ordering. AX is certified to the 5 lb. force requirements of 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4. If your specification calls for reduced operating force, you have to order AX rather than assume the standard device meets it.
7) The 9948-4ft is not fire rated. What concealed vertical rod device should I use on a fire rated opening?
The 9948-4ft carries a Fire Rating of No, so for a labeled opening look to the Adams Rite 3600 Series, a fire rated Grade 1 wide stile concealed vertical rod device for hollow metal doors, or the Adams Rite 3900 Series, fire rated Grade 1 wide stile with a 1-1/2 hour rating. The Sargent 12-MD8613 is a third fire rated Grade 1 wide stile concealed vertical rod device and comes in a classroom function if the opening needs keyed outside control.
8) What is the difference between the Von Duprin 98 and 99 Series exit devices?
Mechanically they are the same platform. The difference is the mechanism case: the 99 Series, including the 9948, uses the grooved case, and the 98 Series uses a smooth case. It is an appearance choice, so match whichever case style is already running on the rest of your openings.
9) What dogging options can I get on the Von Duprin 9948?
Hex key dogging is standard, which holds the latches retracted for push-pull operation 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. Note that SD makes the device handed.
10) Can I get the Von Duprin 9948 with lever trim and a night latch function?
Yes. Trim functions run from EO exit only through K knob, L lever, NL night latch, L-NL lever night latch, K-NL knob night latch, L-KC lever key capture, TL thumbturn, TP thumbpiece, DT dummy trim, and the blank escutcheon variants of each. If you pick an L lever function you also choose the lever design: 06 is the default, with 01, 02, 03, 05, 07, 17, and 18 also available.
11) Can I add access control monitoring or electric latch retraction to a 9948?
Yes, and it is ordered as an option rather than added later. Switch choices include RX request-to-exit, LX latchbolt monitor, LX-RX combination, WP-RX waterproof RX, RX-LC low current, RX-2 double RX, SS signal switch, and the ALK alarm exit kit variants. For latch retraction you can spec EL electric, QEL quiet electric, or PN pneumatic. QM quiet mechanical is a separate yes/no option. Remember SS makes the device handed.
12) What is a comparable wide stile concealed vertical rod device if I am not specifying Von Duprin?
Among Grade 1 wide stile concealed vertical rod devices, the Corbin Russwin ED5800 is the closest straight equivalent, exit only or accepting trim on 1-3/4 inch doors. The DORMA 9100 Series is a heavy duty Grade 1 wide stile pushpad CVR that also covers up to 2-1/4 inch doors. The BEST Precision 2801 Series is another wide stile CVR, and the Adams Rite 8500 Series is a non-fire-rated Grade 1 wide stile CVR for hollow metal. If your doors are narrow stile aluminum instead, none of those apply, look at the Adams Rite 8600 or Corbin Russwin ED4800.
13) Can I order a 9948 less bottom rod, and what do I need with it?
Yes. On a less bottom rod configuration you specify ES, the top pullman latch built for electric strike application, which is the only pullman option offered with LBR. Standard configurations instead take PL top and PL bottom pullman latches, and that pairing is not available on less bottom rod only. LBR removes the floor latching point, so the top latch plus an electric strike carries the opening.
14) Does the Von Duprin 9948 offer a delayed egress option?
Yes, the CX CHEXIT option. It meets NFPA and IBC delayed egress requirements with a 15 second door hold and a nuisance alarm. Delayed egress is occupancy-restricted under code, so confirm your building type allows it before specifying.
15) If I only need exit only with no outside trim, is there a simpler alternative to the Von Duprin 9948-4ft?
Yes. The 9948-4ft can be ordered in an EO exit only trim function, but if you want a device that is built exit only from the start, the CRL Jackson 1085 Series is a 48 inch non-handed wide stile concealed vertical rod panic device in exit only function - the same 48 inch size the 9948-4ft covers, and non-handed like it. The BEST Precision 2601 Series is another exit only concealed vertical rod device, narrow stile and non-handed.
16) What is the difference between the Von Duprin 9948-4ft and the Corbin Russwin ED7800?
The 9948-4ft is a push pad device on a wide stile door. The Corbin Russwin ED7800 is a Grade 1 crossbar concealed vertical rod device for narrow stile doors, 1-3/4 inch thickness, exit only or accepting operator trim. So the two differ in both actuator style - push pad versus crossbar - and in stile width, which changes the door prep entirely.
17) I need hex dogging on a metal door with lever trim. How does the Sargent MD8613F-LTRIM compare with the 9948-4ft?
Both are Grade 1 devices with hex dogging available. The 9948-4ft ships with hex key dogging as standard and offers L lever trim functions including plain lever, lever with blank escutcheon, lever night latch and lever key capture, in a 48 inch size. The Sargent MD8613F-LTRIM is a heavy duty Grade 1 concealed vertical rod device with hex dogging supplied with lever trim for metal doors at 36 inches by 84 inches, so it is sized to a narrower opening than the 48 inch 9948.
18) My doors vary between 1-3/4 and 2-1/4 inches thick. Does the 9948-4ft cover that range?
The 9948-4ft is specified for 1-3/4 inch doors, though its fasteners are supplied for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. If you are standardizing a run of doors across that full thickness span, the DORMA 9100 Series is a Grade 1 heavy duty wide stile pushpad concealed vertical rod device rated 1-3/4 inch to 2-1/4 inch, and the narrow stile DORMA 9600BB carries the same 1-3/4 inch to 2-1/4 inch range.
19) Falcon 1690EO and 1990EO come up when I search concealed vertical rod - are they substitutes for the 9948-4ft?
They are not direct substitutes. The Falcon 1690EO and 1990EO are both Grade 1 narrow stile concealed vertical rod devices for 1-3/4 inch doors in exit only function, at 3 ft and 44 inch sizes respectively, while the 9948-4ft is a 48 inch wide stile device. If your opening is narrow stile and needs no outside trim they fit; on a wide stile door prepped for the 9948, the stile width rules them out. The Falcon 24-C is likewise a Grade 1 narrow stile exit only device at 36 inches.
20) I have a mix of narrow, medium and wide stile doors. Is there one concealed vertical rod device that covers all of them instead of the 9948-4ft?
The 9948-4ft is a wide stile device only. The CRL Jackson 1285 push pad concealed vertical rod panic exit is listed for narrow, medium or wide stile applications in exit only function, which makes it the option to look at when you want a single device across mixed stile widths and do not need outside trim. Where you do need keyed or lever trim on the outside, the 9948-4ft carries knob, lever, thumbturn, thumbpiece and night latch trim functions.
21) What else should I consider alongside the 9948-4ft for a wide stile school or hospital door?
Within wide stile concealed vertical rod devices, the peers to weigh are the BEST Precision 2801 Series wide stile concealed vertical rod device, the Corbin Russwin ED5800 in Grade 1 wide stile for 1-3/4 inch doors, and the DORMA 9100 Series Grade 1 heavy duty wide stile pushpad. The 9948-4ft differs in that it is non-handed, carries a 3/4 inch latch throw, and has an 8 by 2-3/4 by 2-3/8 inch center case with a 3-13/16 inch projection, which are the figures to check against your existing door prep and clearances.
22) What finishes does the Von Duprin 9948 exit device come in?
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 steel, 643E aged bronze, 710 dark bronze anodized, and 711 flat black. For institutional openings where you are matching existing hardware across a building, 626 and 630 are the usual standards.
23) What push bar options are available besides the standard bar on the 99 Series?
Five bar choices on the 9948: standard bar, BR braille pushbar, KN knurled bar, RSS emergency exit push bar, and SG safety glow pushbar. Knurled and braille bars are the ones that come up on institutional and accessibility-driven specs; safety glow is for egress visibility in low light.
24) Is the Falcon 1491DT an alternative to ordering the 9948-4ft in DT dummy trim?
Only on a narrow stile door. The 9948-4ft offers DT dummy trim and K-DT and L-DT dummy variations as trim functions on a 48 inch wide stile device. The Falcon 1491DT is a 42 inch narrow stile concealed vertical rod device in dummy function, Grade 1, for 1-3/4 inch doors, and is furnished with a 9970 pull. Use it for the inactive leaf of a narrow stile pair; the 9948 dummy functions serve the same role on wide stile.
How fast can I get the Von Duprin 9948EO 4 US26 delivered?
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Can I return it if it doesn’t work for me?
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Does the Von Duprin 9948EO 4 US26 come with a warranty?
Absolutely. The Von Duprin 9948EO 4 US26 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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