Von Duprin 35A-4ft Smooth Case Narrow Stile Rim Exit Device for Single and Double Doors

Von Duprin 35A-4ft Smooth Case Narrow Stile Rim Exit Device for Single and Double Doors

Commercial-Grade Panic Exit Hardware for Institutional and High-Traffic Applications

The Von Duprin 35A-4ft is a 4 ft smooth case narrow stile rim 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 non-handed device accommodates single and double doors with mullion and is UL listed for panic exit hardware. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards, the 35A-4ft features a one-piece center case cover and a smooth mechanism case that distinguishes it from the grooved-case 33A Series. With a 48" product size and product dimensions of 8-3/16" x 1-9/16" x 2-13/32", this device delivers reliable, code-compliant egress performance across a wide range of commercial applications.

Professional Features & Benefits

• Narrow Stile Compatibility: Fits door stiles as narrow as 1-3/4" (44mm), making it ideal for aluminum storefront and narrow stile door applications where space is limited.
• Product Dimensions & Size: 48" product size with overall dimensions of 8-3/16" x 1-9/16" x 2-13/32" and a product projection of 3-13/16" for precise installation planning.
• Door Thickness & Centerline: Designed for 1-3/4" door thickness with a device centerline from finished floor of 39-13/16" for code-compliant mounting height.
• Latch & Dogging: Features a 3/4" latch throw and hex key dogging configuration for secure, field-adjustable operation in commercial settings.
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 standards, ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for the highest level of industry compliance.
• Non-Handed Design: The rim device is non-handed (except when the SS signal switch option is used), simplifying specification and reducing inventory requirements.
• Field-Configurable Options & Retrofit Kits: Supports a broad range of field-configurable options and retrofit kits including CDSI/HDSI security dogging indicators, QEL electronic latch retraction, and electronic switches (RX request to exit, LX latchbolt monitoring) to keep pace with evolving technology.
• Included Fasteners: Includes 1-3/4" and 2-1/4" wood/metal door fasteners with SNB included for versatile installation readiness.
• ADA & Delayed Egress Upgrade Options: AX option certified to meet 5 lb. force requirements per 2010 ADA (Chapters 404.2.7 and 30934) and 2013 California Building Code (Chapter 11B-309.4); CX CHEXIT option meets NFPA and IBC requirements for delayed egress with 15-second hold 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 - Rim
• Subcategory: Rim Exit Devices
• Latch Throw: 3/4"
• Product Type: Exit Devices - Rim
• Commercial/Residential: Commercial
• Device Centerline from Finished Floor: 39-13/16"
• Stile Type: Narrow Stile
• Wood Door Compatible: No
• MAP Policy: Yes
• Product Model: 33A/35A-3'
• 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

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

Delayed Egress Compliance

The Von Duprin 35A-4ft supports the CX CHEXIT upgrade option, which meets NFPA and IBC requirements for delayed egress. When activated, a standard device keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant delayed egress functionality for facilities requiring controlled egress management.

Why Choose Von Duprin Quality?

Von Duprin rim exit device products are engineered to the highest industry standards, with the 35A-4ft certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 for comprehensive code compliance. The smooth mechanism case, one-piece center case cover, and narrow stile design down to 1-3/4" (44mm) reflect the precision construction demanded by institutional applications in schools, hospitals, and government facilities. With a broad ecosystem of field-configurable options, retrofit kits, and trim choices, Von Duprin delivers the flexibility and dependability that commercial door hardware professionals require.