Von Duprin 33AF-3ft Fire Rated...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,130.00
$1,471.37
Von Duprin 33AF-3ft Fire Rated Grooved Case Narrow Stile Rim Exit Device, Less Dogging, 36"

Von Duprin 33AF-3ft Fire Rated Grooved Case Narrow Stile Rim Exit Device, Less Dogging, 36"

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Model: 33AEO-F 3 US28
$2,130.00
$1,471.37
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$2,130.00
$1,471.37
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Von Duprin 33AF-3ft Fire Rated Grooved Case Narrow Stile Rim Exit Device, Less Dogging, 36"

Commercial-Grade Fire Rated Panic Exit Hardware for Narrow Stile Doors

The Von Duprin 33AF-3ft is a fire rated, 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 36" rim exit device features a one-piece center case cover and is certified to ANSI/BHMA A156.3 2014 Grade 1 standards. UL listed for panic exit hardware and compliant with ANSI/UL 10C for fire-rated applications, it is suitable for single and double doors with mullion. The device is non-handed, offering flexible installation across a wide range of openings.

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.
  • Fire Rated Construction: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated applications, ensuring code compliance in fire-rated openings.
  • ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 — the highest industry standard — for heavy-duty institutional performance.
  • Grooved Mechanism Case: The 33A Series features a distinctive grooved case design with a newly designed one-piece center case cover for a refined architectural appearance.
  • Non-Handed Design: The rim device is non-handed (except when the SS signal switch option is used), simplifying specification and installation across varied openings.
  • 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 technology.
  • Broad Device Type Availability: The 33A/35A Series supports rim, 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 Upgrade Option: The AX upgrade option is certified to meet the 5 lb. force requirements of the 2010 ADA (Chapters 404.2.7 and 30934) and the 2013 California Building Code (Chapter 11B-309.4).
  • Delayed Egress Option: 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.

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
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 36"
  • 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 — 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 Requiring Fire-Rated Egress Compliance

Delayed Egress Compliance

The Von Duprin 33A Series supports the CX (CHEXIT) upgrade option, which meets NFPA and IBC requirements for delayed egress. This configuration keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing an added layer of security for controlled egress applications.

Why Choose Von Duprin Quality?

Von Duprin rim exit devices are engineered to the highest industry standards, with the 33AF-3ft certified to ANSI/BHMA A156.3 2014 Grade 1, ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 for comprehensive code compliance. The grooved case design, narrow 1-3/4" stile compatibility, and broad range of field-configurable retrofit options make this device a trusted choice for schools, hospitals, and government facilities where dependable, fire-rated panic exit performance is essential.

Product Specs

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
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
36"
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

Parts & Accessories

    Von Duprin 33AEO-F 3 US28 – Frequently Asked Questions

    1) What is the Von Duprin 33A-F series exit device designed for?
    The Von Duprin 33A-F is a fire-rated rim exit device designed for narrow stile doors. It provides code-compliant emergency egress while maintaining fire protection. The grooved case design accommodates narrow stile door frames typically 2 inches or less.
    2) What door applications is this exit device compatible with?
    This device fits narrow stile doors, commonly found in storefront and curtain wall systems. It works with aluminum and steel doors. Verify door thickness and frame dimensions before installation. Check manufacturer specifications for weight limitations.
    3) How do I determine the correct handing for this device?
    Stand on the egress side of the door. If hinges are on your right, order right-hand. If hinges are on your left, order left-hand. The 33A-F series requires specific handing during ordering as field conversion is limited.
    4) What finishes are available for the 33A-F series?
    Standard finishes include painted options and plated finishes. Common choices are aluminum, bronze, and stainless steel. Consult Von Duprin finish charts for exact color matching with door hardware. Special finishes may require extended lead times.
    5) What is the fire rating and grade of this exit device?
    The 33A-F carries UL fire rating certification. It meets Grade 1 performance standards for heavy-duty commercial use. The device is tested for fire door assemblies and maintains egress function during fire conditions.
    6) Does this exit device meet building code requirements?
    Yes, the Von Duprin 33A-F meets IBC and NFPA 101 egress requirements. It provides single-motion egress without requiring keys, tools, or special knowledge. Always verify local code requirements with your authority having jurisdiction.
    7) What trim and accessories work with the 33A-F series?
    The 33A-F works with Von Duprin rim cylinder trim and pull handles. Compatible accessories include weather seals and mounting brackets. For specific trim options, reference Von Duprin catalogs or consult with Von Duprin products specifications.
    8) What are the basic installation requirements?
    Installation requires mounting the device to the door face and strike to the frame. Use manufacturer templates for precise positioning. Ensure proper door alignment and clearances. Professional installation recommended for fire-rated applications.
    9) How do I maintain and adjust the 33A-F exit device?
    Regular maintenance includes cleaning mechanisms and checking for smooth operation. Lubricate pivot points annually with manufacturer-approved lubricants. Adjust latch projection and strike alignment as needed. Avoid field modifications that could affect fire rating.
    10) Are there related models or substitutes for the 33A-F?
    The Von Duprin 99 series offers similar functionality for standard stile doors. The 35A series provides surface vertical rod options. For narrow stile applications, the 33A-F remains the preferred choice. Browse exit devices for alternatives.
    11) What field conditions affect installation performance?
    Door warping, frame misalignment, and improper clearances can affect operation. Ensure doors are properly hung and frames are square. Temperature changes may require periodic adjustments. Address wind load considerations for exterior applications.
    12) What are the key measurements needed for ordering?
    Measure door thickness, stile width, and frame depth. Note the distance from door edge to obstruction. Verify backset requirements for trim compatibility. Standard narrow stile dimensions are typically 2 inches but confirm exact measurements.
    How fast can I get the Von Duprin 33AEO-F 3 US28 delivered?
    Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
    Can I return it if it doesn’t work for me?
    Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
    Does the Von Duprin 33AEO-F 3 US28 come with a warranty?
    Absolutely. The Von Duprin 33AEO-F 3 US28 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
    How do I get technical support or installation help for the Von Duprin 33AEO-F 3 US28?
    You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
    Why buy the Von Duprin 33AEO-F 3 US28 from ZenSupply?
    ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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