Von Duprin 3327A-4ft Grooved Case Narrow Stile Surface Vertical Rod Exit Device for 48" Doors

Von Duprin 3327A-4ft Grooved Case Narrow Stile Surface Vertical Rod Exit Device for 48" Doors

Heavy-Duty Commercial Surface Vertical Rod Exit Device for Institutional Applications

The Von Duprin 3327A-4ft is a commercial-grade, grooved case narrow stile surface vertical rod exit device engineered for demanding institutional environments including schools, hospitals, and government buildings. Designed to fit door stiles as narrow as 1-3/4" (44mm), this 48" device accommodates a door thickness of 1-3/4" and features a one-piece center case cover for streamlined construction. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards and UL listed for panic exit hardware, the 3327A-4ft delivers the highest level of industry-recognized performance and code compliance for single and double door applications.

Professional Features & Benefits

• Narrow Stile Compatibility: Fits door stiles as narrow as 1-3/4" (44mm), making it ideal for aluminum-framed and narrow stile door applications where space is limited.
• 48" Door Coverage: Sized for 48" doors with a product size of 48" and device centerline from finished floor at 39-13/16" for proper ergonomic placement.
• Grooved Mechanism Case: The 3327A features a distinctive grooved case design, differentiating it from the smooth-case 3527A, while sharing the same heavy-duty push pad platform and one-piece center case cover.
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 certification, ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for the highest industry compliance.
• Non-Handed Design: The surface vertical rod device is non-handed except when the SS (signal switch) option is used, simplifying inventory management and installation flexibility.
• Field-Configurable Options & Retrofit Kits: Supports a variety of field-configurable options including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (RX request to exit, LX latchbolt monitoring) for integration with access control systems.
• Hex Key Dogging Configuration: Equipped with hex key dogging for straightforward hold-open functionality in applicable code-compliant applications.
• Fasteners Included: Ships with 1-3/4" and 2-1/4" wood/metal door fasteners and SNB included for immediate installation readiness.
• ADA & Delayed Egress Upgrade Paths: Compatible with AX accessible device upgrade (certified to 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4) and CX CHEXIT delayed egress option meeting NFPA and IBC requirements with 15-second delay and nuisance alarm.

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: Surface Vertical Rod Exit Devices
• Latch Throw: 3/4"
• Product Type: Exit Devices - Surface 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: 48"
• Dogging Configuration: Hex Key Dogging
• Product Dimension: 8-3/16" x 1-9/16" x 2-13/32"
• Fire Rating: No
• Product Projection: 3-13/16"
• Product Style: Push Pads
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

• Public and Private Educational Facilities (Schools and Universities)
• Healthcare Institutions and Hospitals
• Government and Municipal Buildings
• Commercial Office Buildings
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential and Mixed-Use Properties

Delayed Egress Compliance

The 3327A-4ft is compatible with the CX CHEXIT delayed egress upgrade, which meets NFPA and IBC requirements for delayed egress applications. This configuration keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant controlled egress for facilities requiring enhanced security at exit points.

Why Choose Von Duprin Quality?

Von Duprin surface vertical rod exit devices are engineered to the highest industry standards, with the 3327A-4ft certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 305 and ANSI/UL 10C for fire-rated configurations. The 33A/35A Series heavy-duty push pad platform is purpose-built for high-use and high-abuse institutional environments including schools, hospitals, and government facilities. With a broad range of field-configurable options, retrofit kits, and upgrade paths, Von Duprin delivers the flexibility and dependability that demanding commercial applications require.