Von Duprin 8875F-4FT Fire Rated Wide Stile Crossbar Mortise Exit Device, Less Dogging, 48"

Von Duprin 8875F-4FT Fire Rated Wide Stile Crossbar Mortise Exit Device, Less Dogging, 48"

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

The Von Duprin 8875F-4FT is a fire rated, wide stile crossbar mortise exit device from the trusted 88 Series, engineered for demanding commercial applications on single or double doors. Sized at 48" (4 ft) and designed for wide stile doors, this device fits stock hollow metal doors with 86 cutouts and accommodates door stiles as narrow as 4-3/4" (121 mm). The integrated 7500 Mortise Lock features a 3/4" (19 mm) anti-friction latch bolt that is field reversible without removing the lock from the door, and a non-handed auxiliary bolt for deadlocking. Certified to ANSI/BHMA A156.3, 2008 Grade 1 and listed under ANSI/UL 10C for fire rated installations, this device delivers code-compliant, reliable egress performance.

Professional Features & Benefits

• Fire Rated Compliance: Listed under ANSI/UL 10C and CAN/ULC-S104 for fire rated installations, ensuring code-compliant egress in fire-rated door assemblies.
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3, 2008 Grade 1 standards as well as ANSI/UL 305 and CAN/ULC-S132 for verified commercial-grade performance.
• Wide Stile Compatibility: Designed as a wide stile (88 Series) device accommodating door stiles as narrow as 4-3/4" (121 mm), fitting stock hollow metal doors with 86 cutouts.
• 48" Crossbar Length: Available in a 4 ft (48") length that is field sizeable for single and double door applications, providing installation flexibility.
• 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 and a faceplate with an adjustable bevel, reducing inventory requirements and easing installation.
• Less Dogging Configuration: Supplied without dogging hardware, suitable for fire rated door applications where dogging is not permitted by code.
• Electrification & Monitoring Options: Compatible with E8875 electric locking/unlocking option for pairing with access control, fire alarm, or remote switching systems; RX switch option available for door monitoring.
• Knurling Option Available: KN option provides tactile warning on crossbars to indicate doors leading to hazardous areas such as stairs, loading platforms, or boiler rooms.
• All Mounting Fasteners Included: 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: 48"
• 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, holding ANSI/BHMA A156.3, 2008 Grade 1 certification and UL listings under ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132. The 8875F-4FT features a field-reversible 3/4" anti-friction latch bolt, non-handed auxiliary bolt, and a 48" wide stile crossbar sized for demanding single and double door applications. Trusted by commercial facility professionals, Von Duprin exit devices deliver dependable, code-compliant egress performance where reliability is essential.