Von Duprin 98F-4FT Fire Rated 4 ft Wide Stile Rim Exit Device, Smooth Case, Less Dogging

Von Duprin 98F-4FT Fire Rated 4 ft Wide Stile Rim Exit Device, Smooth Case, Less Dogging

Commercial-Grade Fire Rated Panic Exit Hardware for Institutional Applications

The Von Duprin 98F-4FT is a fire rated, 4-foot wide stile rim exit device featuring a smooth mechanism case and heavy-duty push pad design engineered for demanding institutional environments. Certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 10C for fire-rated applications, this device is built to perform in schools, hospitals, and government buildings. The non-handed rim configuration accommodates door thickness of 1-3/4" and offers a 3/4" latch throw, with a center case measuring 8" x 2-3/4" x 2-3/8" and a product size of 48". Fasteners are included for wood or metal doors 1-3/4" and 2-1/4" thick.

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.
• Smooth Case Wide Stile Design: The 98 Series features a smooth mechanism case and wide stile heavy-duty push pad, providing an architectural distinction from the grooved 99 Series while delivering equivalent institutional-grade durability.
• Precise Dimensional Specifications: Center case dimensions of 8" x 2-3/4" x 2-3/8", a 3/4" latch throw, 3-13/16" product projection, and a 48" product size ensure accurate fit for wide stile door applications.
• Door Thickness & Fastener Compatibility: Designed for 1-3/4" door thickness with fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick, simplifying installation across common commercial door types.
• Non-Handed Configuration: The rim device is non-handed (except when specific options such as SD, -2 Double Cylinder, or SS signal switch are used), offering flexible installation on either hand of door.
• Broad Device Type Options: 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.
• Field-Configurable & Retrofit Ready: A variety of field-configurable options are available, including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches for request-to-exit (RX) and latchbolt monitoring (LX) for access control integration.
• ADA & Delayed Egress Upgrade Paths: Optional AX upgrade meets 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 requirements for 15-second delayed egress.

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: 48"
• Fire Rating: Yes
• 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
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Retail Establishments Requiring Fire-Rated Egress Compliance

Delayed Egress Compliance

The 98F-4FT is compatible with the optional CX (CHEXIT) upgrade, which meets NFPA and IBC requirements for delayed egress. This configuration 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 rim exit devices are certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard, and carry ANSI/UL 10C and CAN/ULC-S104 fire-rated listings for dependable life safety performance. The 98 Series smooth case wide stile push pad is engineered for high use and abuse in institutional applications, with field-configurable options and retrofit kits that allow the device to evolve alongside changing facility technology needs. Trusted in schools, hospitals, and government buildings, Von Duprin delivers professional-grade reliability where consistent, code-compliant egress performance is essential.