Von Duprin 33A-4ft Grooved Case Narrow Stile Rim Exit Device 48" Grade 1

Von Duprin 33A-4ft Grooved Case Narrow Stile Rim Exit Device 48" Grade 1

Heavy-Duty Commercial Rim Exit Device for Narrow Stile Doors

The Von Duprin 33A-4ft is a 48" grooved case narrow stile rim exit device engineered for demanding institutional and commercial applications. Designed to fit door stiles as narrow as 1-3/4" (44mm), this heavy-duty push pad exit device is ANSI/BHMA A156.3 2014 Grade 1 certified and UL listed for panic exit hardware. The 33A Series features a distinctive grooved mechanism case and a one-piece center case cover, and is non-handed for flexible installation on single and double doors with mullion. With a device centerline from finished floor of 39-13/16" and a product projection of 3-13/16", this device is built to meet the rigorous demands of schools, hospitals, and government facilities.

Professional Features & Benefits

• 48" Product Size: Sized at 48" to accommodate a wide range of commercial door configurations, with overall product dimensions of 8-3/16" x 1-9/16" x 2-13/32" for precise fit and professional appearance.
• 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.
• ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1, the highest industry standard for exit devices, ensuring long-term reliability in high-traffic institutional environments.
• Comprehensive Certification Package: Meets ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for broad code compliance across North American jurisdictions.
• Grooved Mechanism Case Design: The 33A Series features a grooved mechanism case with a newly designed one-piece center case cover, providing a distinctive architectural aesthetic and robust construction.
• Non-Handed Configuration: The rim device is non-handed (except when the SS signal switch option is used), simplifying specification and reducing installation complexity across varied door applications.
• Hex Key Dogging: Equipped with hex key dogging for convenient hold-open functionality, supporting smooth traffic flow in high-use commercial and institutional settings.
• Field-Configurable Retrofit Options: Supports a wide range of 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 access control technology.
• Versatile Device Type Options: Available in rim (no suffix), surface-mounted vertical rod (27), concealed vertical rod with 5/8" bottom bolt (47), concealed vertical rod with 1-1/2" bottom bolt (48), concealed vertical cable (49), and wood door concealed vertical cable (50WDC) configurations.
• ADA and Delayed Egress Upgrade Paths: Upgradeable to AX (ADA-compliant, certified to 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4) or CX CHEXIT (delayed egress meeting NFPA and IBC requirements, 15-second delay with nuisance alarm).
• Fasteners Included: Includes 1-3/4" and 2-1/4" wood/metal door fasteners with SNB included for straightforward installation on compatible door types.

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
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential and Mixed-Use Properties

Why Choose Von Duprin Quality?

Von Duprin rim exit devices are engineered to the highest industry standards, with the 33A Series 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 33A-4ft features a robust grooved mechanism case, a one-piece center case cover, and fits narrow stiles as small as 1-3/4" (44mm), making it a trusted choice for schools, hospitals, and government facilities where dependable panic exit performance is essential. With a broad range of field-configurable options and retrofit upgrade paths, Von Duprin exit devices are built to adapt to the evolving security needs of any commercial facility.