Von Duprin 3327AF-3ft Fire Rat...
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Von Duprin 3327AF-3ft Fire Rated Surface Vertical Rod Exit Device, Grooved Case Narrow Stile, Less Dogging, 36"

Von Duprin 3327AF-3ft Fire Rated Surface Vertical Rod Exit Device, Grooved Case Narrow Stile, Less Dogging, 36"

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Model: 3327AEO-F 3 US26D
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Von Duprin 3327AF-3ft Fire Rated Surface Vertical Rod Exit Device, Grooved Case Narrow Stile, Less Dogging, 36"

Heavy-Duty Fire Rated Surface Vertical Rod Exit Device for Narrow Stile Commercial Doors

The Von Duprin 3327AF-3ft is a fire rated, surface-mounted vertical rod exit device engineered for demanding institutional and commercial applications. Featuring a distinctive grooved mechanism case and narrow stile design, this 36" device fits door stiles as narrow as 1-3/4" (44mm) and is certified to ANSI/BHMA A156.3 2014 Grade 1 standards. UL listed under ANSI/UL 10C for fire-rated applications and ANSI/UL 305 for panic exit hardware, it is suitable for single and double door configurations in schools, hospitals, and government facilities. The device is non-handed for straightforward installation and features a one-piece center case cover for a clean, professional appearance.

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 commercial door applications.
  • 36" Door Coverage: Sized for 36" doors with a product dimension of 8-3/16" x 1-9/16" x 2-13/32" and a product projection of 3-13/16" for a low-profile surface-mounted installation.
  • Fire Rated Construction: Certified to ANSI/UL 10C and CAN/ULC-S104 for fire-rated door applications, ensuring compliance with fire and life safety codes in institutional environments.
  • Grade 1 Certified Performance: Meets ANSI/BHMA A156.3 2014 Grade 1 standards and ANSI/UL 305 and CAN/ULC-S132 certifications, representing the highest level of durability and reliability for commercial exit hardware.
  • Grooved Mechanism Case: The 3327A features a grooved case design that distinguishes it architecturally from the smooth-case 3527A, offering design flexibility to match facility aesthetics.
  • Non-Handed Design: The surface vertical rod device is non-handed (except when the SS signal switch option is used), simplifying specification and installation across multiple openings.
  • Field-Configurable Options: Supports a broad range of retrofit kits and upgrades 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.
  • Fasteners Included: Ships with 1-3/4" and 2-1/4" wood/metal door fasteners and SNB included for versatile installation on wood and hollow metal doors.
  • ADA & Delayed Egress Upgrade Paths: 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 15-second delayed egress.

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"
  • 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

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

Why Choose Von Duprin Quality?

Von Duprin surface vertical rod exit devices are engineered to the highest industry standards, with the 3327A Series certified to ANSI/BHMA A156.3 2014 Grade 1, ANSI/UL 10C, ANSI/UL 305, CAN/ULC-S104, and CAN/ULC-S132 for proven fire-rated panic exit performance. The grooved narrow stile design accommodates stiles as narrow as 1-3/4" while delivering the heavy-duty push pad reliability demanded by schools, hospitals, and government facilities. With a broad ecosystem of field-configurable retrofit options and upgrade paths, Von Duprin exit devices are built to adapt to the evolving security and accessibility needs of any commercial facility.

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 - 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"
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 3327AEO-F 3 US26D – Frequently Asked Questions

    1) Will the Von Duprin 3327AF fit a narrow stile aluminum door?
    Yes. The 3327AF is a narrow stile surface vertical rod device and fits stiles as narrow as 1-3/4 inches, which is what aluminum and glass-front entrance doors typically give you. Door thickness is the limit to watch: it is built for 1-3/4 inch doors only, not a range. If your stile is wider than that you can still use it, but a wide stile device like the Corbin Russwin ED5400 or the Falcon 20 Series covers more of the door face.
    2) Is the Von Duprin 3327AF approved for a fire rated door?
    Yes, and that is the reason to pick it. The 3327A is UL listed under ANSI/UL 10C and CAN/ULC-S104 for fire door assemblies, plus ANSI/UL 305 and CAN/ULC-S132 for panic exit hardware, and it is certified to ANSI/BHMA A156.3 2014 Grade 1. One consequence a locksmith should plan for: fire rated exit devices are supplied less dogging, so there is no mechanical hold-open on this one.
    3) Can a surface vertical rod exit device secure a pair of doors without a mullion?
    That is exactly what the type is for. A surface vertical rod device like the 3327AF latches at the head and at the threshold rather than into the frame at the edge, so a pair of doors is secured with no center mullion in the opening. A rim device needs a removable mullion to do the same job. The tradeoff is hardware on the floor: the bottom latch and strike sit in the traffic path, which is why the less bottom rod option exists.
    4) Do I have to specify handing on the Von Duprin 3327AF?
    The device itself is non-handed, so the chassis works on either swing. Handing still gets specified on the order (RHR or LHR) because the trim and the switch options follow the door, and the SS signal switch option is the one case where the device is no longer non-handed. For a property manager standardizing several openings, non-handed means one device stocked instead of two.
    5) Will the Von Duprin 3327AF latch into the strike that is already on my frame?
    The latchbolt throw is 3/4 inch, and the device mounts with its centerline 39-13/16 inches from the finished floor. Both numbers have to agree with what is in the opening now: a 3/4 inch throw needs a head strike set to that depth, and the centerline sets where the push pad and the case land on the door. Von Duprin also sells top and bottom latch kits for the 33/35 series (050494 top, 050495 bottom) if you are replacing latching hardware rather than the whole device.
    6) Does the Von Duprin 3327AF meet the 5 pound ADA opening force requirement?
    Only with the AX accessible device option, which is certified to the 5 lb force requirement per 2010 ADA sections 404.2.7 and 309.4 and the 2013 California Building Code Chapter 11B-309.4. AX is a required selection on the order, yes or no, so it is not something you add later by accident. If the opening is on an accessible route in a school or healthcare facility, specify AX.
    7) What should I use instead of the Von Duprin 3327A on a door that is not fire rated?
    The 3327A-3ft is a fire rated device, so on an opening with no fire rating the field opens up to life safety only devices. For narrow stile doors the non fire rated peers are the Adams Rite 8200 Series, Grade 1 narrow stile; the Corbin Russwin ED4400 of the ED4000 Series, Grade 1 narrow stile for 1-3/4 inch doors and built to accept trim; the Falcon 19-V-EO, Grade 1 narrow stile exit only at 1-3/4 inch; and the TownSteel ED3727 of the 8900 Series, Grade 1 narrow stile, wood door compatible at 36 by 84 inches. Non fire rated devices are where mechanical dogging is normally available, which matters on a door that has to be held in a push-open state during business hours.
    8) Which surface vertical rod exit devices look like a substitute for the Von Duprin 3327A but will not pass on a fire rated opening?
    The 3327A-3ft is fire rated, and a device without that rating cannot go on a fire door no matter how closely the rest of the specs line up. Several peers are the same form factor and the same Grade 1 but are not fire rated: the Corbin Russwin ED4400, Grade 1 narrow stile at 1-3/4 inch; the Falcon 19-V-EO, Grade 1 narrow stile at 1-3/4 inch; the Adams Rite 8200 Series, Grade 1 narrow stile; the Adams Rite 8100 Series, Grade 1 wide stile; and the TownSteel ED3727, Grade 1 narrow stile. The Dexter ED2000 and TownSteel TS5100 differ further still, both being Grade 2 and not fire rated. On a labeled opening the choice has to come from the fire rated group instead.
    9) Should I order the Von Duprin 3327AF less bottom rod?
    Order LBR when the bottom rod and floor strike would be a maintenance or trip problem, which is common in schools, hospitals and anywhere carts and wheelchairs cross the opening. Without the bottom rod the device latches only at the head, so top latching carries the security. It is offered both ways, with and without the bottom rod, and on a fire rated opening the LBR configuration has to be accepted by the door assembly listing you are working to.
    10) What trim options can I get with the Von Duprin 3327 vertical rod device?
    Ten outside trim functions: EO exit only, L lever, L-BE lever with blank escutcheon, L-DT lever with dummy trim, NL night latch, NL-OP night latch with optional pull, T thumbturn, T-BE thumbturn with blank escutcheon, TL thumbturn and unlocks, and TL-BE thumbturn and unlocks with blank escutcheon. If you pick an L function, the lever design is a separate choice: 06 (the default), 01, 02, 03, 05, 07, 17 or 18. NL functions take a cylinder for key access from outside; EO is push to exit with nothing on the pull side.
    11) How far does the Von Duprin 3327AF stick out from the door face?
    Projection is 3-13/16 inches, with the case measuring 8-3/16 x 1-9/16 x 2-13/32 inches. That projection matters in a corridor with a side wall return or where a door swings into a tight vestibule, and it is what you check against clear width at the opening. Push pad style, so there is no crossbar hanging further out.
    12) What is the difference between the Von Duprin 3327A and the 3527A?
    The mechanism case. The 3327A has a grooved case, the 3527A a smooth one, and the choice is architectural rather than functional. Both sit in the 33/35 Series. If you are matching existing openings in a building, look at the case on the device you already have before ordering, because a grooved case next to smooth ones is the kind of mismatch a facility notices.
    13) How do I get delayed egress on a Von Duprin 33/35 series exit device?
    The CX CHEXIT option provides 15-second delayed egress and meets NFPA and IBC requirements for it. On a device already installed, the delayed egress function is field-addable with the Chexit PCB kits for the 33/35/98/99 series (050228 and 040086). Delayed egress is only permitted in certain occupancies, so the local authority signs off on the opening before the hardware choice matters.
    14) What fasteners come with the Von Duprin 3327AF and will they work on a hollow metal door?
    It ships with 1-3/4 inch and 2-1/4 inch wood/metal door fasteners plus SNB (sex nut and bolt), which covers both wood and hollow metal doors without a separate hardware order. What is not in the box is the outside trim, the cylinder for NL or CD functions, and any strike work the frame needs.
    15) Is there a lower cost surface vertical rod device for a non-rated opening?
    For openings with no fire rating, Grade 2 devices are in play and the Grade 1 fire rated 3327AF is more device than the opening needs. The Dexter ED2000 Series and the TownSteel TS5100 are both Grade 2 surface vertical rod devices, and the Design Hardware 2000V is a standard duty vertical rod line. Keep Grade 1 where traffic is heavy: the Dexter ED1500 and the Design Hardware 1000V heavy duty line sit between. None of those are fire rated, so they stay off rated assemblies.
    16) I want a crossbar look instead of a push pad, what are my options?
    The 3327AF is a push pad device, so it will not give you a crossbar. For a narrow stile crossbar surface vertical rod device the Corbin Russwin ED7400 is the one to look at: Grade 1, narrow stile, 1-3/4 inch doors, exit only and accepts operator trim. It is not fire rated, so on a rated opening the crossbar look is off the table and you stay with a push pad device.
    17) Is there a simpler exit only surface vertical rod device if I do not need lever trim like the Von Duprin 3327A offers?
    The 3327A-3ft can be ordered in exit only as well as lever, night latch and thumbturn trim functions, so the trim is a choice rather than a fixed part of the device. If the opening will never take outside trim, several peers are sold exit only from the start: the Falcon 24-V-EO, Grade 1 narrow stile at 1-3/4 inch; the Falcon 19-V-EO, Grade 1 narrow stile at 1-3/4 inch and not fire rated; the Arrow 3700 Series exit bar, wide stile pushpad at 1-3/4 inch and not fire rated; and the Orca OED56, a standard duty exit only device at 1-3/4 inch supplied less bottom rod in aluminum finish and non-handed. The 3327A itself is non-handed and can be configured less bottom rod, so a less bottom rod requirement does not by itself force a different device.
    18) I need a reversible or non-handed surface vertical rod exit device. Which options are there besides the Von Duprin 3327A?
    The 3327A-3ft is non-handed, so one part number covers both hands of an opening except where the SS signal switch option is specified. Among the peers, the Sargent 2727 is a reversible Grade 1 fire rated wide stile device, the BEST Precision 5201 is a reversible 36 inch device in the 5200 Series that is not fire rated, and the Orca OED56 is a non-handed 36 inch exit only device in aluminum finish, also not fire rated. On a fire rated opening the reversible choice narrows to the Sargent 2727 among those three.
    19) Which alternatives to the Von Duprin 3327A accept outside trim, and which are exit only?
    The 3327A-3ft can be ordered with lever, lever with blank escutcheon, night latch, night latch with optional pull, thumbturn and thumbturn-unlock trim, or as exit only. Peers that accept trim include the Corbin Russwin ED4400 and ED5400, both Grade 1 exit only devices that accept trim, and the Corbin Russwin ED7400, which accepts operator trim. Devices supplied exit only include the Falcon 19-V-EO, Falcon 24-V-EO, Falcon 25-V-EO, Falcon 20 Series, Arrow 3700, Sargent 2727, Sargent 3727 and the Orca OED56. The Sargent 12-8710 is a dummy device, which does not latch at all and is used on the inactive leaf of a pair for appearance matching rather than egress.
    20) What finishes does the Von Duprin 3327 vertical rod device come in?
    Ten: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, 626 satin chrome, 628 aluminum, 643E aged bronze, 710 dark bronze anodized and 711 flat black. For matching aluminum storefront, 628 is the usual pick and 710 or 711 for dark frames. If you are standardizing a building, note the finish code on the devices already hung rather than matching by eye, since 612 satin bronze and 643E aged bronze read similarly at a distance.
    21) Can I add security dogging indication to a Von Duprin 33/35 exit device after it is installed?
    Yes. The 33/35 platform accepts CDSI and HDSI security dogging indicator retrofits, which show locked or unlocked status at the device, plus the 107813 cylinder dogging kit for CD/SS applications. Worth knowing on a fire rated 3327AF: the device ships less dogging, because mechanical dogging is not allowed on fire doors, so cylinder dogging kits apply to the non-rated devices in the series.
    How fast can I get the Von Duprin 3327AEO-F 3 US26D 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 3327AEO-F 3 US26D come with a warranty?
    Absolutely. The Von Duprin 3327AEO-F 3 US26D 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 3327AEO-F 3 US26D?
    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
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