Von Duprin 8875F-3FT Fire Rated Wide Stile Crossbar Mortise Exit Device, Less Dogging, 36"

Von Duprin 8875F-3FT Fire Rated Wide Stile Crossbar Mortise Exit Device, Less Dogging, 36"

Commercial-Grade Fire Rated Mortise Exit Device for Wide Stile Door Applications

The Von Duprin 8875F-3FT is a fire rated, wide stile crossbar mortise exit device from the trusted 88 Series, engineered for demanding commercial single and double door applications. Designed to fit door stiles as narrow as 4-3/4" (121 mm) and compatible with stock hollow metal doors featuring 86 cutouts, this 36" device delivers dependable egress performance with a 3/4" (19 mm) anti-friction latch bolt that is field reversible without removing the lock from the door. Certified to ANSI/BHMA A156.3, 2008 Grade 1 and listed under ANSI/UL 10C for fire-rated installations, the 8875F-3FT is a code-compliant solution for facilities requiring reliable emergency exit hardware.

Professional Features & Benefits

• Wide Stile Compatibility: Fits door stiles as narrow as 4-3/4" (121 mm), accommodating stock hollow metal doors with 86 cutouts for broad installation flexibility.
• Fire Rated Construction: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated applications, ensuring code compliance in fire-rated door assemblies.
• Grade 1 Certified Performance: ANSI/BHMA A156.3, 2008 Grade 1 certified and ANSI/UL 305 and CAN/ULC-S132 listed for proven commercial-grade reliability.
• Field-Reversible Latch Bolt: The 3/4" (19 mm) anti-friction latch bolt is field reversible without removing the lock from the door, simplifying installation and service.
• Non-Handed Auxiliary Bolt: Includes a non-handed auxiliary bolt for deadlocking, providing added security without handing restrictions.
• Adjustable Faceplate: Features a faceplate with an adjustable bevel for precise fit across varying door preparations.
• Field-Selectable Functions: TP and K functions may be field selected by turning down a set screw in the mortise lock body, offering installation flexibility without additional parts.
• Electronic Options Available: Compatible with E8875 electrified option to pair with access control systems, fire alarm systems, or remote switching stations; RX monitoring switch also available.
• Crossbar Style Options: Available with KN knurling on crossbars to provide a tactile warning for doors leading to hazardous areas such as stairs, loading platforms, or boiler rooms.
• Included Fasteners: All necessary mounting fasteners are included for a complete installation.

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 88 Series
• Grade: Grade 1
• Device Centerline: 39-13/16"
• Fasteners: All necessary mounting fasteners are included
• Product Subgroup: Exit Devices - Mortise
• Subcategory: Mortise Exit Devices
• Latch Throw: 3/4"
• Product Type: Exit Devices - Mortise
• Commercial/Residential: Commercial
• Stile Type: Wide Stile
• Wood Door Compatible: No
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4"
• Product Size: 36"
• Dogging Configuration: Less Dogging
• Fire Rating: Yes
• Product Style: Cross Bars
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

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

Why Choose Von Duprin Quality?

Von Duprin 88 Series mortise exit devices are engineered to meet the most rigorous commercial standards, carrying ANSI/BHMA A156.3, 2008 Grade 1 certification along with ANSI/UL 10C and CAN/ULC-S104 fire-rated listings for dependable performance in life-safety applications. The 8875F-3FT features a field-reversible 3/4" anti-friction latch bolt, non-handed auxiliary deadlocking bolt, and field-selectable functions that simplify installation and long-term serviceability. Engineered for demanding commercial environments where code compliance and reliable emergency egress are essential, Von Duprin delivers the professional-grade quality that facility managers and security professionals trust.