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