Von Duprin 3527A-4ft 4 ft Smooth Case Narrow Stile Surface Vertical Rod Exit Device

Von Duprin 3527A-4ft 4 ft Smooth Case Narrow Stile Surface Vertical Rod Exit Device

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

The Von Duprin 3527A-4ft is a 4 ft smooth mechanism case, narrow stile surface-mounted 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 device is ANSI/BHMA A156.3 2014 Grade 1 certified and UL listed for panic exit hardware, making it a trusted solution for single and double door applications. The 3527A features a one-piece center case cover and a non-handed configuration, providing flexible installation across a wide range of commercial openings. With a 36" product size and a device centerline from finished floor of 39-13/16", this exit device is precisely engineered for code-compliant commercial door hardware installations.

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 in commercial and institutional settings.
• ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1 standards, the highest industry grade, ensuring long-term reliability in high-traffic, high-use environments.
• Smooth Mechanism Case: The 3527A features a smooth mechanism case design (distinguished from the grooved 3327A), offering a clean architectural aesthetic suited for modern commercial interiors.
• Non-Handed Design: The surface vertical rod device is non-handed (except when the SS signal switch option is used), simplifying specification and reducing installation complexity across multiple openings.
• Comprehensive Certifications: Meets ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132, supporting broad code compliance requirements.
• Field-Configurable Options: A variety of field-configurable options are available, including retrofit kits (CDSI/HDSI dogging indicators, QEL electronic latch retraction, RX request-to-exit, and LX latchbolt monitoring switches) to keep pace with evolving facility technology needs.
• ADA-Accessible Option Available: The AX upgrade option is certified to meet the 5 lb. force requirements of the 2010 Americans with Disabilities Act (ADA) Chapters 404.2.7 and 30934, and the 2013 California Building Code Chapter 11B-309.4.
• Delayed Egress Option Available: The CX (CHEXIT) upgrade meets NFPA and IBC requirements for delayed egress, securing doors for 15 seconds after a request to exit while a nuisance alarm sounds.
• Hex Key Dogging: Equipped with hex key dogging configuration for straightforward hold-open functionality in appropriate applications.

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: 36"
• 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

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

Why Choose Von Duprin Quality?

Von Duprin surface vertical rod exit devices are engineered to the highest industry standards, with the 3527A-4ft certified to ANSI/BHMA A156.3 2014 Grade 1 and compliant with ANSI/UL 305, ANSI/UL 10C, CAN/ULC-S104, and CAN/ULC-S132 for broad code coverage. The smooth mechanism case, one-piece center case cover, and narrow stile design down to 1-3/4" (44mm) reflect the precision engineering Von Duprin brings to demanding institutional applications. Backed by a comprehensive range of retrofit and upgrade options, Von Duprin exit devices are built to adapt to evolving facility needs while delivering dependable, code-compliant performance in schools, hospitals, government buildings, and commercial facilities.