Von Duprin 9848F-4ft Fire Rated Concealed Vertical Rod Exit Device, 48" Wide Stile, Less Dogging

Von Duprin 9848F-4ft Fire Rated Concealed Vertical Rod Exit Device, 48" Wide Stile, Less Dogging

Commercial-Grade Fire Exit Hardware for Institutional and High-Traffic Applications

The Von Duprin 9848F-4ft is a fire rated concealed vertical rod exit device from the heavy-duty 98/99 Series, engineered for demanding institutional environments including schools, hospitals, and government buildings. This 48" wide stile device features a smooth mechanism case and a 1-1/2" bottom bolt concealed vertical rod configuration, certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed for fire exit hardware per ANSI/UL 10C. The device is non-handed, accommodating flexible installation, and is supplied with fasteners for wood or metal doors 1-3/4" thick.

Professional Features & Benefits

• Fire-Rated Certification: UL listed for fire exit hardware per ANSI/UL 10C and CAN/ULC-S104, ensuring full compliance with fire egress code requirements in rated door assemblies.
• ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard, delivering proven durability for high-use institutional applications.
• 48" Wide Stile Design: Engineered for 48" door openings with a wide stile push pad configuration, providing a broad activation surface suited to high-traffic commercial and institutional facilities.
• Concealed Vertical Rod with 1-1/2" Bottom Bolt: The 9848-F model utilizes a concealed vertical rod mechanism with a 1-1/2" bottom bolt for secure, clean-line door hardware that conceals the rod within the door.
• Smooth Mechanism Case: Features a smooth mechanism case (as distinct from the grooved 9948-F), with center case dimensions of 8" x 2-3/4" x 2-3/8" and a product projection of 3-13/16".
• Non-Handed Configuration: The device is non-handed except when the SS (signal switch) option is used, simplifying specification and reducing inventory requirements across multi-door projects.
• Less Dogging Configuration: Supplied in a less dogging configuration, appropriate for fire-rated door assemblies where dogging is not permitted by code.
• Field-Configurable Options & Retrofit Kits: Supports a broad range of field-configurable options including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, RX (request to exit) and LX (latchbolt monitoring) electronic switches, and upgrade options such as AX (ADA-compliant, certified to 5 lb. force per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4), CX (CHEXIT delayed egress, 15-second delay per NFPA and IBC), and XP patented 2-piece latchbolt design.
• Included Fasteners: Fasteners included for wood or metal doors 1-3/4" thick, supporting straightforward installation on standard commercial door preparations.

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: 9848F-4ft
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4"
• Product Size: 48"
• Dogging Configuration: Less Dogging
• 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 and Mixed-Use Properties
• Retail Establishments Requiring Fire-Rated Egress Compliance

Delayed Egress Compliance

The 9848F-4ft is compatible with the CX (CHEXIT) delayed egress upgrade option, which meets NFPA and IBC requirements for delayed egress applications. When configured with CHEXIT, the device 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 concealed vertical rod exit devices are certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed for fire exit hardware per ANSI/UL 10C and CAN/ULC-S104, representing the highest industry standards for commercial egress hardware. The 98/99 Series is purpose-built for high-use and high-abuse institutional environments, with a breadth of field-configurable options and retrofit kits that allow the device to evolve alongside changing facility technology requirements. Engineered for demanding commercial applications where dependable, code-compliant performance is essential.