Von Duprin 9875F-3FT Fire Rated Wide Stile Mortise Exit Device, 36" Smooth Case, Less Dogging

Von Duprin 9875F-3FT Fire Rated Wide Stile Mortise Exit Device, 36" Smooth Case, Less Dogging

Commercial-Grade Fire Rated Mortise Exit Device for Demanding Institutional Applications

The Von Duprin 9875F-3FT is a fire rated, wide stile mortise exit device from the renowned 98/99 Series, engineered for high-use institutional environments including schools, hospitals, and government buildings. Featuring a smooth mechanism case and a 36" product size, this device is certified to ANSI/BHMA A156.3 2014 Grade 1 standards and carries ANSI/UL 10C fire-rated listing, ensuring compliance with the most demanding life-safety codes. Designed for single and double doors with mullion, the 9875F-3FT accommodates door thicknesses of 1-3/4" and delivers a 3/4" latch throw with a center case measuring 8" x 2-3/4" x 2-3/8" and a product projection of 3-13/16". Fasteners are included for wood or metal doors 1-3/4" and 2-1/4" thick, and the device is non-handed for straightforward installation.

Professional Features & Benefits

• Fire Rated Compliance: Certified to ANSI/UL 10C and CAN/ULC-S104 fire-rated standards, ensuring full compliance with fire-exit hardware requirements in commercial and institutional facilities.
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1, ANSI/UL 305, and CAN/ULC-S132 certifications — the highest industry standards for panic exit hardware performance and durability.
• Smooth Case Wide Stile Design: The 98 Series smooth mechanism case and wide stile push pad provide an architectural aesthetic suited for high-traffic institutional applications, with a center case dimension of 8" x 2-3/4" x 2-3/8".
• Precise Latch & Projection Specs: Features a 3/4" latch throw and a product projection of 3-13/16", engineered for reliable latching performance on 36" doors with 1-3/4" door thickness.
• Non-Handed Configuration: The device is non-handed (except when specific options such as SD, -2, or SS are applied), simplifying specification and reducing installation complexity.
• Inclusive Fastener Package: Includes fasteners compatible with wood or metal doors 1-3/4" and 2-1/4" thick, supporting versatile installation across common commercial door constructions.
• Field-Configurable & Retrofit-Ready: A variety of field-configurable options are available, including retrofit kits (CDSI/HDSI dogging indicators, QEL electronic latch retraction, RX/LX electronic switches) to keep pace with evolving facility technology needs.
• 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.
• ADA & Delayed Egress Upgrade Options: Upgradeable to AX (ADA-compliant, certified to 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934) or CX CHEXIT (NFPA/IBC delayed egress, 15-second hold with nuisance alarm).

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 - Mortise
• Product Type: Exit Devices - Mortise
• Subcategory: Mortise 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: 9875F-3ft
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4"
• Product Size: 36"
• 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

• 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 9875F-3FT is upgradeable to the CX CHEXIT configuration, which meets NFPA and IBC requirements for delayed egress applications. In this configuration, a standard 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 mortise exit devices from the 98/99 Series are certified to ANSI/BHMA A156.3 2014 Grade 1 — the highest industry standard — and carry ANSI/UL 10C fire-rated listing for dependable life-safety performance. The 9875F-3FT features a smooth wide stile mechanism case with precise dimensional engineering, including an 8" x 2-3/4" x 2-3/8" center case and 3-13/16" projection, purpose-built for demanding institutional environments. Engineered for schools, hospitals, and government facilities where reliable, code-compliant egress hardware is non-negotiable, Von Duprin delivers the professional-grade performance that commercial applications demand.