Von Duprin 98-4FT 4 ft Smooth ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,087.00
$1,460.90

Von Duprin 98-4FT 4 ft Smooth Case Wide Stile Rim Exit Device, ANSI/BHMA Grade 1 Certified

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Model: 98EO 4 US28
From the 98 series Collection
$2,087.00
$1,460.90
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$2,087.00
$1,460.90
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Von Duprin 98-4FT 4 ft Smooth Case Wide Stile Rim Exit Device, ANSI/BHMA Grade 1 Certified

Heavy-Duty Wide Stile Panic Exit Hardware for Institutional and Commercial Applications

The Von Duprin 98-4FT is a 4 ft (48") smooth case wide stile rim exit device engineered for demanding institutional and commercial environments including schools, hospitals, and government buildings. Featuring a smooth mechanism case that distinguishes the 98 Series from the grooved-case 99 Series, this non-handed push pad device is certified to ANSI/BHMA A156.3 2014 Grade 1 standards and listed to ANSI/UL 10C (fire-rated configurations) and ANSI/UL 305. The device accommodates door thicknesses of 1-3/4" and is compatible with hollow metal doors featuring 86 or 161 cutouts on single doors, with a 3/4" latch throw and a center case measuring 8" x 2-3/4" x 2-3/8".

Professional Features & Benefits

  • Wide Stile Push Pad Design: Heavy-duty 48" wide stile push pad construction provides reliable, high-cycle performance suited for institutional applications with heavy daily traffic.
  • Smooth Mechanism Case: The 98 Series signature smooth mechanism case offers a refined architectural appearance while maintaining the same heavy-duty performance as the grooved 99 Series counterpart.
  • ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard for exit devices, ensuring long-term reliability in high-use environments.
  • Multi-Standard Compliance: Listed to ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for broad code compliance across applications.
  • Non-Handed Configuration: The rim device is non-handed for straightforward installation, except when SD (special dogging), -2 (Double Cylinder), or SS (signal switch) options are specified.
  • Door Thickness & Fastener Compatibility: Includes fasteners for wood or metal doors 1-3/4" and 2-1/4" thick, accommodating a range of standard commercial door preparations.
  • Field-Configurable Options & Retrofit Kits: Supports a broad range of field-configurable options including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (Request to Exit RX, Latchbolt Monitoring LX) for integration with access control systems.
  • ADA & Delayed Egress Upgrade Paths: Upgradeable with AX (ADA-compliant, certified to 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4) and CX CHEXIT (delayed egress meeting NFPA and IBC requirements, 15-second delay with nuisance alarm).
  • Extensive Device Type Availability: The 98/99 Series platform supports rim, surface-mounted vertical rod (27), concealed vertical rod (47, 48), concealed vertical cable (49, 52), wood door concealed vertical rod (47WDC), wood door concealed vertical cable (50WDC), 3-point latching (57), and mortise lock (75) configurations.
  • Comprehensive Trim & Function Options: Compatible with 990 pull trim and 996 lever or knob trim in Classroom, Storeroom, Dummy, Passage, and Exit Only functions for versatile access control 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: 98-4ft
  • Collection: 98 Series
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 48"
  • Dogging Configuration: Hex Key Dogging
  • Product Projection: 3-13/16"
  • Product Style: Push Pads
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

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

Delayed Egress Compliance

The Von Duprin 98-4FT is upgradeable with the CX CHEXIT option, which meets NFPA and IBC requirements for delayed egress applications. This upgrade 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 rim exit device products deliver professional-grade reliability with heavy-duty wide stile push pad construction certified to ANSI/BHMA A156.3 2014 Grade 1 and listed to ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 for comprehensive code compliance. The 98 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 panic exit performance is essential.

Manufacturer Resources

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:
98-4ft
Collection:
98 series
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
48"
Dogging Configuration:
Hex Key Dogging
Product Projection:
3-13/16"
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 98EO 4 US28 – Frequently Asked Questions

1) What door types work with the Von Duprin 98 series 4 ft smooth case wide stile rim exit device?
This device fits wide stile doors with 1-3/4" to 2-1/4" thickness. Compatible with hollow metal, wood, and composite doors. Requires minimum 4-7/8" stile width for proper mounting. Verify door weight capacity before installation.
2) How do I determine the correct handing for this exit device?
Stand on the egress side (side where you push to exit). If hinges are on your right, order RHR (right hand reverse). If hinges are on your left, order LHR (left hand reverse). The 98 series is field reversible for installation flexibility.
3) What finishes are available for the 98 series wide stile rim device?
Standard finishes include aluminum (AL), dark bronze (DKB), and bright brass (BB). Special order finishes may include black (BL) and satin stainless steel (SSS). Confirm finish availability and lead times when ordering.
4) What grade and fire rating does this Von Duprin exit device meet?
The 98 series meets Grade 1 ANSI/BHMA A156.3 standards for heavy duty commercial use. Fire rated up to 3 hours when used with compatible fire doors and frames. UL listed for life safety applications.
5) Does this device meet building code requirements for egress doors?
Yes, the 98 series complies with IBC, NFPA 101, and ADA requirements. Provides single motion egress with maximum 15 lbs operating force. Suitable for high traffic areas and required egress paths. Verify local code requirements.
6) What accessories are available for the 98 series wide stile rim device?
Common accessories include cylinder dogging, key switches, request-to-exit switches, and alarm contacts. Strike options include ASR, ASF, and electric strikes. Consult with Von Duprin specifications for compatible accessories.
7) What are the basic installation requirements for this rim exit device?
Mount device body to door at 38" center height from floor. Use manufacturer template for precise hole locations. Strike mounts to frame header. Requires basic drilling and mortising. Professional installation recommended for fire rated applications.
8) How do I adjust the latch projection on the 98 series device?
Standard latch projection is 3/4". Adjust using the hex wrench provided. Turn clockwise to decrease projection, counterclockwise to increase. Maintain minimum 1/2" engagement with strike for proper security and operation.
9) What is the difference between this model and other 98 series configurations?
This is the wide stile rim version requiring larger stile width. Standard 98 series fits narrow stiles. Concealed vertical rod and mortise versions also available. Choose based on door construction and aesthetic requirements.
10) Can this device be used on doors with existing electric strikes?
Yes, compatible electric strikes include Von Duprin 6200, 6300, and 6400 series. Verify strike cutout dimensions match existing preparation. May require frame modifications for proper fit and operation.
11) What maintenance is required for the 98 series exit device?
Lubricate pivot points semi-annually with light machine oil. Check latch projection and operating force monthly. Clean device body with mild detergent. Test emergency egress operation weekly in critical applications.
12) What are the key measurements I need before ordering?
Measure door thickness, stile width (minimum 4-7/8"), and frame header depth. Note door weight and traffic level. Confirm handing from egress side. Verify clearances for device operation and ADA compliance.
How fast can I get the Von Duprin 98EO 4 US28 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 98EO 4 US28 come with a warranty?
Absolutely. The Von Duprin 98EO 4 US28 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 98EO 4 US28?
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
Why buy the Von Duprin 98EO 4 US28 from ZenSupply?
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