Von Duprin 3347AF-3ft Fire Rated Grooved Case Narrow Stile Concealed Vertical Rod Exit Device Less Dogging

Von Duprin 3347AF-3ft Fire Rated Grooved Case Narrow Stile Concealed Vertical Rod Exit Device Less Dogging

Commercial-Grade Concealed Vertical Rod Panic Exit Hardware for Single and Double Doors

The Von Duprin 3347AF-3ft is a fire rated, grooved case, narrow stile concealed vertical rod exit device engineered for demanding institutional and commercial applications. Designed for all types of single and double doors, this device fits door stiles as narrow as 2-1/8" (44 mm) for metal doors and as narrow as 4" (102 mm) for wood door stiles, accommodating a 36" door width with a 1-3/4" door thickness. Certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed under ANSI/UL 10C for fire-rated applications, the 3347A features a distinctive grooved mechanism case and a newly designed one-piece center case cover for enhanced durability. The device is non-handed for flexible installation and is built to meet the rigorous demands of schools, hospitals, and government facilities.

Professional Features & Benefits

• Narrow Stile Compatibility: Fits door stiles as narrow as 2-1/8" (44 mm) for metal doors and 4" (102 mm) for wood doors, making it ideal for narrow stile door applications.
• Door Width & Thickness: Designed for 36" doors with a 1-3/4" door thickness range, ensuring a precise and secure fit in standard commercial door configurations.
• Fire Rated Construction: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated applications, providing compliant life-safety performance in fire-rated door assemblies.
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 standards as well as ANSI/UL 305 and CAN/ULC-S132, representing the highest level of industry certification for panic exit hardware.
• Grooved Mechanism Case: The 3347A features a grooved case design with a newly designed one-piece center case cover, distinguishing it from the smooth-case 3547A for architectural differentiation.
• Non-Handed Design: The concealed vertical rod device is non-handed (except when the SS signal switch option is used), simplifying inventory management and installation flexibility.
• Concealed Vertical Rod with 5/8" Bottom Bolt: The "47" device type designation indicates a concealed vertical rod configuration with a 3/4" latch throw and 5/8" bottom bolt for secure door latching.
• Retrofit & Upgrade Ready: Compatible with CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (RX request-to-exit, LX latchbolt monitoring) for evolving access control needs.
• ADA & Delayed Egress Options: Available with AX accessible device option certified to 5 lb. force ADA requirements, and CX CHEXIT delayed egress option meeting NFPA and IBC requirements with 15-second delay and nuisance alarm.
• Fasteners Included: Includes 1-3/4" and 2-1/4" wood/metal door fasteners with SNB included for complete installation readiness.

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 33 & 35 Series
• Grade: Grade 1
• Fasteners: Includes 1-3/4" and 2-1/4" wood/metal door fasteners, SNB included
• Product Subgroup: Exit Devices - Vertical Rod
• Subcategory: Concealed Vertical Rod Exit Devices
• Latch Throw: 3/4"
• Product Type: Exit Devices - Concealed Vertical Rod
• Commercial/Residential: Commercial
• Device Centerline from Finished Floor: 39-13/16"
• Stile Type: Narrow Stile
• MAP Policy: Yes
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4"
• Product Size: 36"
• Dogging Configuration: Hex Key Dogging
• Product Dimension: 8-3/16" x 1-9/16" x 2-13/32"
• 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

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are engineered to the highest industry standards, with ANSI/BHMA A156.3 2014 Grade 1 certification and UL listings under ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 confirming compliance for fire-rated and panic exit applications. The 3347A grooved case design with one-piece center case cover and narrow stile compatibility as low as 2-1/8" reflects Von Duprin's commitment to versatile, durable commercial hardware. Trusted in schools, hospitals, and government facilities, Von Duprin exit devices deliver dependable life-safety performance in the most demanding institutional environments.