Von Duprin 5547F-3ft Fire Rated Narrow Stile Concealed Vertical Rod Exit Device, Less Dogging

Von Duprin 5547F-3ft Fire Rated Narrow Stile Concealed Vertical Rod Exit Device, Less Dogging

Commercial-Grade Crossbar Exit Device for Narrow Stile Metal Doors

The Von Duprin 5547F-3ft is a fire rated concealed vertical rod exit device from the renowned 55 Series, engineered for use on single or double metal doors with narrow stile profiles as slim as 1-3/4" (44 mm). Specified for 2-1/4" door thickness and accommodating door heights from 6'8" to 8'0", this 36" (3-foot) crossbar device delivers dependable egress performance in demanding commercial environments. Certified to ANSI/BHMA A156.3, 2008 Grade 1 and listed under ANSI/UL 10C for fire-rated applications, the 5547F-3ft is a trusted solution for architects and facility managers specifying code-compliant exit hardware.

Professional Features & Benefits

• Narrow Stile Compatibility: Fits door stiles as narrow as 1-3/4" (44 mm), making it ideal for narrow stile metal door applications where space is at a premium.
• Fire Rated Construction: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated installations, providing code-compliant egress protection in fire-rated door assemblies.
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3, 2008 Grade 1 standards, ensuring the highest level of commercial-grade durability and performance.
• Versatile Door Size Coverage: Available in 3' and 4' lengths that are field sizeable for single and double door applications, with standard device fitting 6'8" to 8'0" door heights.
• Concealed Vertical Rod Design: 47-series concealed vertical rod configuration provides a clean aesthetic while delivering reliable top and bottom latching for metal door applications.
• Flexible Configuration Options: Compatible with optional E8875 electrified trim (for access control, fire alarm, or remote switching integration), RX door monitoring switch, and KN knurling option for tactile hazard warning on crossbars.
• Field Reversible Handing: Door hand direction is field reversible, simplifying installation and reducing the need for special-order hardware.
• Multiple Trim Functions Available: Supports Classroom, Dummy, Exit Only, Passage, and Storeroom functions through compatible trim options including the 990 pull trim series.
• Comprehensive Fastener Inclusion: Includes screw pack for 1-1/4" and 2-1/4" thick metal/wood doors for straightforward installation across common door thicknesses.

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 55 Series
• Grade: Grade 1
• Fasteners: Screw pack for 1-1/4" and 2-1/4" thick medal/wood doors.
• Product Subgroup: Exit Devices - Vertical Rod
• Product Type: Exit Devices - Concealed Vertical Rod
• Subcategory: Concealed Vertical Rod Exit Devices
• Latch Throw: 1/2"
• Commercial/Residential: Commercial
• Stile Type: Narrow Stile
• Door Hand Direction: Field Reversible
• Door Thickness Range: 1-3/4"
• Product Size: 36"
• Dogging Configuration: Less Dogging
• Product Dimension: 7-1/4" x 1-1/4" x 2-1/4" (Hinge Stile Case), 7-1/4" x 1-1/4" x 2-1/4" (Lock Stile Case)
• Fire Rating: Yes
• Product Projection: 3-3/4"
• 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 55 Series concealed vertical rod exit devices are built to the highest commercial standards, certified to ANSI/BHMA A156.3, 2008 Grade 1 and listed under ANSI/UL 10C and CAN/ULC-S104 for fire-rated door assemblies. The 5547F-3ft accommodates narrow stile doors as slim as 1-3/4" (44 mm) and is field sizeable for single and double door applications, delivering the installation flexibility that demanding commercial projects require. Engineered for reliability in high-traffic environments, Von Duprin exit hardware remains a trusted choice for architects, contractors, and facility managers across commercial, institutional, and industrial applications.