Von Duprin 98F-3FT Fire Rated ...
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Von Duprin 98F-3FT Fire Rated 36" Wide Stile Rim Exit Device, Smooth Case, Less Dogging

Von Duprin 98F-3FT Fire Rated 36" Wide Stile Rim Exit Device, Smooth Case, Less Dogging

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Model: 98EO-F 3 US26D
From the 98 series Collection
$2,613.00
$1,829.10
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Von Duprin 98F-3FT Fire Rated 36" Wide Stile Rim Exit Device, Smooth Case, Less Dogging

Commercial-Grade Fire Rated Panic Exit Hardware for Institutional Applications

The Von Duprin 98F-3FT is a fire rated, wide stile rim exit device from the renowned 98/99 Series, engineered for demanding institutional environments including schools, hospitals, and government buildings. Featuring a smooth mechanism case and a 36" door width capacity, this device is certified to ANSI/BHMA A156.3 2014 Grade 1 standards and listed to ANSI/UL 10C for fire-rated applications. Designed for single and double doors with mullion, the 98F-3FT is non-handed and accommodates door thicknesses of 1-3/4", with fasteners included for both wood and metal doors of 1-3/4" and 2-1/4" thickness. The wide stile push pad design delivers reliable panic egress performance with a 3/4" latch throw and a center case measuring 8" x 2-3/4" x 2-3/8".

Professional Features & Benefits

  • Fire Rated Certification: Listed to ANSI/UL 10C and CAN/ULC-S104 for fire-rated applications, ensuring compliance with fire and life safety codes in commercial and institutional facilities.
  • ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard, as well as ANSI/UL 305 and CAN/ULC-S132 for panic exit hardware performance.
  • Door Width & Stile Compatibility: Sized for 36" wide stile doors with a smooth mechanism case; non-handed design (except when SD, -2, or SS options are used) for flexible installation on single and double door configurations.
  • Precise Dimensional Specifications: Features a 3/4" latch throw, center case dimensions of 8" x 2-3/4" x 2-3/8", and a product projection of 3-13/16" for consistent, reliable latching performance.
  • Door Thickness Compatibility: Designed for 1-3/4" door thickness; fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick, simplifying installation across common door types.
  • Wide Stile Push Pad Design: Heavy-duty wide stile push pad construction engineered for high-use and high-abuse institutional applications, providing dependable egress under demanding conditions.
  • Retrofit & Upgrade Ready: Compatible with a broad range of field-configurable options and retrofit kits including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, RX (request to exit), and LX (latchbolt monitoring) electronic switches.
  • Covers Standard Door Cutouts: Compatible with 86 or 161 cutouts on single hollow metal doors, and may cover cutouts on pairs (consult template for pairs applications).
  • Broad Device Type Availability: The 98/99 Series 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.

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 - Rim
  • Product Type: Exit Devices - Rim
  • Subcategory: Rim 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: 98F-3ft
  • Collection: 98 series
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 36"
  • 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 Requiring Fire-Rated Egress
  • Retail Establishments with Fire-Rated Exit Requirements

Why Choose Von Duprin Quality?

Von Duprin 98/99 Series rim exit devices are certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard for panic exit hardware, and listed to ANSI/UL 10C and CAN/ULC-S104 for fire-rated applications. The smooth mechanism case and wide stile push pad construction are purpose-built for high-use, high-abuse institutional environments including schools, hospitals, and government facilities. With a broad range of field-configurable options, retrofit kits, and accessory compatibility, Von Duprin delivers the professional-grade reliability and code compliance 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 - Rim
Product Type:
Exit Devices - Rim
Subcategory:
Rim 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:
98F-3ft
Collection:
98 series
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
36"
Fire Rating:
Yes
Product Projection:
3-13/16"
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 98EO-F 3 US26D – Frequently Asked Questions

1) Will the Von Duprin 98F-3FT fit a 1-3/4 inch hollow metal door?
Yes. The 98F-3FT is built for 1-3/4 inch doors, and it's a 36 inch wide stile device, so the door needs a stile wide enough to take the wide stile push pad case. Fasteners ship in the box for wood or metal doors at 1-3/4 inch and 2-1/4 inch thickness. Note the record on this device says it is not wood door compatible, so plan it on hollow metal.
2) Is the Von Duprin 98F rim device fire rated and Grade 1?
Both. The 98F-3FT carries ANSI/BHMA A156.3 2014 Grade 1 and is listed to ANSI/UL 10C and CAN/ULC-S104 for fire doors, plus ANSI/UL 305 and CAN/ULC-S132 for panic hardware. That combination is what a stair or corridor fire door in a school or hospital needs. It's also why the device is supplied less dogging, since a fire rated exit device cannot be held retracted.
3) Do I have to order the 98F-3FT handed?
The device itself is non-handed, so one part covers a left or right hand reverse opening. Handing still has to be picked on the order form because the trim and some options follow the door, and handing does become real if you specify SD, -2, or SS. For a plain exit only device on a fire door, the mechanism reverses in the field.
4) Can a rim exit device like the 98F be used on a pair of doors?
Only with a mullion. A rim device latches into a strike on the frame or on a removable mullion, so a pair with no center post needs either a mullion between the leaves or a vertical rod device instead. The 98/99 family covers that: surface vertical rod (27), concealed vertical rod with a 5/8 inch bottom bolt (47) or a 1-1/2 inch bottom bolt (48), concealed vertical cable (49 and 52), 3-point latching (57), and mortise (75). Pick the rim 98F for a single door or a mullion pair.
5) Will the 98F-3FT cover the cutout left by the old exit device on my hollow metal door?
On a single hollow metal door the 98F covers 86 or 161 cutouts, which is what most existing lock preps are. The center case is 8 x 2-3/4 x 2-3/8 inches and the device projects 3-13/16 inches off the door face. On pairs it may cover the cutouts, but that one is template dependent rather than guaranteed.
6) What outside trim can I get on a Von Duprin 98 rim device, and how do I order key access?
Trim function is a separate choice from the device. The options run dummy trim (DT), exit only (EO), knob (K), knob with blank escutcheon (K-BE), knob night latch (K-NL), lever (L), lever blank escutcheon (L-BE), lever key capture (L-KC), lever night latch (L-NL), night latch (NL), night latch with optional pull (NL-OP), thumbpiece (TP), and thumbpiece with blank escutcheon (TP-BE). Night latch is the one to pick when the outside should be key only, with the pad free for egress. On any L trim you also pick the lever design: 01, 02, 03, 05, 06, 07, 17 or 18.
7) What electrical options are available on the Von Duprin 98 series for access control?
Two separate decisions. Monitoring and signaling: 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 kits (ALK, RX-ALK, LXRX-ALK). Latch retraction for card reader control: EL electric latch retraction, QEL quiet electric latch retraction, or PN pneumatic. Add CDSI or HDSI security dogging indicators if you need the status shown at the door. All of it is field configurable on the 98/99 platform, so an existing device can be upgraded rather than replaced.
8) The 98F-3FT will not fit my narrow stile aluminum door. What rim device should I use instead?
The Von Duprin 98F-3FT is a wide stile device, so a narrow stile aluminum storefront needs a different chassis. If the opening is fire labeled, the Adams Rite 3700 Series is a fire rated Grade 1 narrow stile rim device with starwheel interlocking. If it is not labeled, the narrow stile Grade 1 options include the Adams Rite 8800 Series, the Corbin Russwin ED4200, the Falcon 19-R and the Detex 40 Advantex. Match the fire rating first, then the stile, then the door width.
9) Is a Grade 2 rim exit device like the Cal-Royal 5000 an acceptable substitute for the Von Duprin 98F-3FT?
They sit at different certification levels. The 98F-3FT is Grade 1 and fire rated. The Cal-Royal 5000 is a 36 inch wide rim exit device with a Grade 2 chassis at heavy duty level and is not fire rated, and the Cal-Royal 5500 and A9800 carry the same Grade 2 rating without a fire rating. On a labeled opening or where the specification calls for Grade 1, those are not interchangeable with the 98F-3FT. If you want Grade 1 without the fire rating on a 36 inch wide stile door, the Corbin Russwin ED5200, the TownSteel ED1100 and the BEST Precision 2101 are wide stile alternatives.
10) What is the closest fire rated wide stile rim exit device to the Von Duprin 98F-3FT?
The Sargent 8800 Series 12-8810-LTRIM is the nearest match on the core attributes that matter for a fire rated opening: it is a fire rated, Grade 1, wide stile rim exit device, the same combination the 98F-3FT carries with its Grade 1 rating and fire rating. The difference is in how each is ordered. The 98F-3FT is a non-handed device configured through trim function and options, while the Sargent 12-8810-LTRIM is built around L trim with RX and motorized electric latch retraction already in the part number. If the opening needs lever trim plus request to exit and electric latch retraction as a factory build, the Sargent covers it in one number; if the opening needs a different trim function, the 98F-3FT is configured to it.
11) What fire rated rim exit device should I use on a 36 inch opening if I only need exit only, no trim?
For a 36 inch fire rated opening with no outside trim, the Marks USA M9900F-36 and the Orca Hardware OED85 are both fire rated 36 inch rim exit devices built as exit only. The Marks M9900F-36 adds a panic protector end cap. The Von Duprin 98F-3FT is sized for the same 36 inch opening and is also fire rated and Grade 1, but it is a configurable device with a full trim function range including exit only, night latch, lever, knob and thumbpiece. Pick the exit only device when the opening will never take outside trim; pick the 98F-3FT when the same device family has to cover several trim functions across a building.
12) My opening is a 48 inch door. What takes the place of the 36 inch Von Duprin 98F-3FT?
The 98F-3FT is sized for a 36 inch door, so a 48 inch leaf needs a longer device. For a fire labeled 48 inch opening, the Marks USA M9900F-48 is a fire rated 48 inch rim panic device, exit only, with a panic protector end cap. For non labeled 48 inch openings, the options include the Corbin Russwin ED3200 crossbar Grade 1 wide stile device, the DORMA 9300A Grade 1 wide stile exit only device, the Cal-Royal 5500 push bar device, and the CRL Jackson 1095 Series crossbar device. The Sargent 2828 and 3828 are Grade 1 reversible wide stile devices built for a 48 inch minimum door width.
13) Is an SDC pressure sense bar or switch bar the same thing as a Von Duprin 98F-3FT rim exit device?
No, and this is a common mix-up on 36 inch openings. The 98F-3FT is a mechanical rim exit device with a 3/4 inch latch throw that latches the door itself. The SDC PSB560 is a 36 inch pressure sense bar with tri-failsafe technology and the SDC MSB550 is a 36 inch mechanical switch bar that releases an electromagnetic lock; both are signaling bars that work with a separate locking device rather than latching the door, and neither is fire rated. The Securitron EMB is likewise an electromechanical exit bar. If the door needs its own latch and a fire rating, those bars do not replace the 98F-3FT.
14) Will the Von Duprin 98F latch into the strike that's already on my frame?
The latchbolt throws 3/4 inch, which is the standard Von Duprin rim throw, so it wants a rim strike set for that projection rather than a mortise or cylindrical lock strike. If the door currently has a different rim device, the strike location and the 3-13/16 inch device projection both need to line up. Replacing a mortise lock means the frame gets a new rim strike.
15) What does the AX option on a Von Duprin 98 do, and should I specify it?
AX is the accessible device option, ordered yes or no when you configure the 98F-3FT. It's what you specify when the opening has to meet reduced operating force for accessibility. The other build option worth a thought is QM, quiet mechanical, which is the choice for libraries, patient areas and testing rooms where the latch noise on a fire rated device carries.
16) What are the alternatives to a Von Duprin 98F if I need a fire rated 36 inch rim exit device?
Fire rated 36 inch rim devices from other brands include the Marks USA M9900F, the Orca Hardware OED85 Series, and the Dexter ED1000 Series fire rated rim device, all Grade 1 or fire listed per our record. The Sargent 12-8810 is the fire rated wide stile equivalent in the 8800 Series. Where the 98F pulls ahead is configurability: trim, switch, latch retraction and bar style are all specified on the same device, and the M9900F and OED85 are exit only.
17) Why can't I dog down the Von Duprin 98F push bar to hold the door unlatched during the day?
It's supplied less dogging because it's the fire rated version. Mechanical dogging holds the latch retracted, which would defeat a fire door, so it isn't offered on an F device. If you need the door to stay push-pull during business hours on a rated opening, the way to do it is QEL or EL electric latch retraction tied to the fire alarm, so the latch drops back in on alarm. On a non-rated opening a standard 98 with dogging is the simpler answer.
18) My door thickness is 2-1/4 inch. Does the Von Duprin 98F-3FT suit it, or is there a better fit?
The 98F-3FT is specified for a 1-3/4 inch door thickness, with fasteners supplied for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. Devices whose own thickness range spans to 2-1/4 inch include the Adams Rite 8800 Series at 1-3/4 to 2-1/4 inch and the DORMA 9300A at 1-3/4 to 2-1/4 inch, though neither is fire rated. Confirm the leaf thickness against the fire label requirement first, since the thicker-range devices in this group are non labeled.
19) I need a rim exit device on a wood door. Can I use the Von Duprin 98F-3FT?
The 98F-3FT is listed as not wood door compatible, though its fasteners are supplied for wood or metal doors 1-3/4 inch and 2-1/4 inch thick. For a device carrying wood door compatibility in its own record, the Adams Rite narrow stile rim devices cover it: the 3700 Series is fire rated Grade 1 and wood door compatible, and the 8700 Series is the non fire rated Grade 1 equivalent. Both are narrow stile, so confirm the stile width on the door leaf before committing.
20) I need electric latch retraction on a 36 inch rim device. How does the 98F-3FT compare to the SDC S6136 or the Dormakaba electrified device?
The 98F-3FT is ordered with EL, QEL or PN latch retraction and with RX, LX or LX-RX switches as configured options on a fire rated Grade 1 device. The SDC S6136 Spectra is a 36 inch electrified architectural rim device with a 4 inch wide stile and a 1-3/4 to 2 inch door thickness range, but it is not fire rated. The Dormakaba E2103 is a 36 inch electrified rim device supplied with 4908A trim in a classroom function. On a fire labeled opening, the 98F-3FT is the one of the three that carries the fire rating; on a non labeled access controlled opening, all three are candidates.
21) The opening needs a concealed vertical rod device, not a rim device. What do I use instead of the 98F-3FT?
The 98F-3FT is a rim device, which latches into a strike on the frame or a mullion. For a concealed vertical rod opening, the Hager 4501 Series is a 36 inch Grade 1 concealed vertical rod device with a wide stile pushpad, and the Hager 4601 Series is the 36 inch Grade 1 narrow stile concealed vertical rod equivalent; neither is fire rated. Within the Von Duprin 98/99 Series itself the same push pad is also built as surface vertical rod, concealed vertical rod, concealed vertical cable, 3-point latching and mortise lock device types, so the device type can change without leaving the series.
22) I want a night latch function rim device. Can I get that from the 98F-3FT or do I need a different product?
The 98F-3FT covers night latch directly through its trim function selection, which includes NL night latch, NL-OP night latch with optional pull, K-NL knob night latch and L-NL lever night latch, on a fire rated Grade 1 device. Among the alternatives, the Sargent 8504 is a night latch function narrow stile rim device and the Detex V4003A/03AN is a Grade 1 wide stile rim device with night latch trim. Choose by stile and by whether the opening is fire labeled.
23) For a high abuse school or gym opening, how does the 98F-3FT compare to the Detex Advantex devices?
The 98F-3FT is a Grade 1 fire rated wide stile device with a smooth mechanism case built for high use institutional openings. The Detex 10 Advantex is a 36 inch wide stile Grade 1 rim device carried at extra heavy duty level, and the Detex 40 Advantex is the narrow stile extra heavy duty Grade 1 device; neither of the Detex 10 or 40 carries a fire rating in the same way, with the 10 Series listed as not fire rated. On a labeled corridor or stair door the 98F-3FT is the one that meets the fire requirement; on a non labeled gym or service door the extra heavy duty Detex chassis is the comparable choice.
24) If I am standardizing a whole facility on one rim exit device family, what makes the 98F-3FT different from picking an exit only device like the Dexter ED1000 or Corbin ED2200?
The Dexter ED1000-R-EO comes as a Grade 1 rim device in 3FT and 4FT lengths with a separate fire rated version, the ED1000-R-F-EO, and the Corbin Russwin ED2200 is a 36 inch Grade 1 wide stile exit only device that is not fire rated. Those are ordered as fixed configurations. The 98F-3FT is Grade 1 and fire rated in one part with 12 finishes from bright brass through flat black and a full trim function range, so one device family covers labeled and trimmed openings across a facility under a single finish selection.
25) Can I get a Von Duprin 98 push bar in braille or glow in the dark?
Bar style is an ordering choice: standard bar, BR braille pushbar, KN knurled bar, RSS emergency exit push bar, or SG safety glow pushbar. Knurled bar is the tactile warning bar used where a door leads somewhere hazardous. Safety glow is the one specified for egress paths that have to stay visible when the lights drop.
26) What finishes does the Von Duprin 98 series exit device come in to match the rest of my 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 steel, 643E aged bronze, 710 dark bronze anodized, and 711 flat black. For a school or hospital corridor being standardized, 626 and 630 are the two that most existing institutional hardware is already in.
27) Is the Von Duprin 98F the same device as the 99?
Same platform, different case. The 98 and 99 are one series and share device types, trim, switches and electric options; the 98 is the smooth mechanism case and the 99 is the grooved case. The 98F-3FT specifically is the fire rated, 36 inch, wide stile rim version with the smooth case. If your building already has 99s and you want a visual match, order the 99F instead, the function is the same.
28) Is a crossbar exit device interchangeable with the push pad on the Von Duprin 98F-3FT?
They are different actuator styles on the door face. The 98F-3FT uses a push pad, offered as a standard bar or as braille, knurled, emergency exit and safety glow bar variants. The Corbin Russwin ED3200 and the CRL Jackson 1095 Series are crossbar rim devices, and neither is fire rated. Crossbar devices project differently from a push pad and are usually chosen to match existing hardware on adjacent doors, so on a fleet of openings the deciding question is what the rest of the doors already carry.
29) I only need a dummy device to match an active exit device across a pair of doors. What are my options?
The 98F-3FT handles this through its DT dummy trim function, keeping the same push pad appearance and finish across the pair. The Detex Advantex 00 Series is a super heavy duty dummy exit device with a wide stile design and is Grade 1, and the Sargent 12-8810-LTRIM is a fire rated Grade 1 wide stile device in a dummy function. Matching appearance across the pair is the usual driver here, so the deciding factor is which family is on the active leaf.
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