Von Duprin 3327A-4ft Grooved C...
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Von Duprin 3327A-4ft Grooved Case Narrow Stile Surface Vertical Rod Exit Device for 48" Doors

Von Duprin 3327A-4ft Grooved Case Narrow Stile Surface Vertical Rod Exit Device for 48" Doors

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Model: 3327AEO 4 US26D
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Von Duprin 3327A-4ft Grooved Case Narrow Stile Surface Vertical Rod Exit Device for 48" Doors

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

The Von Duprin 3327A-4ft is a commercial-grade, grooved case narrow stile surface 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 48" device accommodates a door thickness of 1-3/4" and features a one-piece center case cover for streamlined construction. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards and UL listed for panic exit hardware, the 3327A-4ft delivers the highest level of industry-recognized performance and code compliance for single and double door applications.

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 where space is limited.
  • 48" Door Coverage: Sized for 48" doors with a product size of 48" and device centerline from finished floor at 39-13/16" for proper ergonomic placement.
  • Grooved Mechanism Case: The 3327A features a distinctive grooved case design, differentiating it from the smooth-case 3527A, while sharing the same heavy-duty push pad platform and one-piece center case cover.
  • ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3 2014 Grade 1 certification, ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 for the highest industry compliance.
  • Non-Handed Design: The surface vertical rod device is non-handed except when the SS (signal switch) option is used, simplifying inventory management and installation flexibility.
  • Field-Configurable Options & Retrofit Kits: Supports a variety of field-configurable options 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.
  • Hex Key Dogging Configuration: Equipped with hex key dogging for straightforward hold-open functionality in applicable code-compliant applications.
  • Fasteners Included: Ships with 1-3/4" and 2-1/4" wood/metal door fasteners and SNB included for immediate installation readiness.
  • ADA & Delayed Egress Upgrade Paths: Compatible with AX accessible device upgrade (certified to 5 lb. force requirements per 2010 ADA Chapters 404.2.7 and 30934 and 2013 California Building Code Chapter 11B-309.4) and CX CHEXIT delayed egress option meeting NFPA and IBC requirements with 15-second delay 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 - 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: 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

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

Delayed Egress Compliance

The 3327A-4ft is compatible with the CX CHEXIT delayed egress upgrade, which meets NFPA and IBC requirements for delayed egress applications. This configuration keeps doors secure for 15 seconds after a request to exit while a nuisance alarm sounds, providing code-compliant controlled egress for facilities requiring enhanced security at exit points.

Why Choose Von Duprin Quality?

Von Duprin surface vertical rod exit devices are engineered to the highest industry standards, with the 3327A-4ft certified to ANSI/BHMA A156.3 2014 Grade 1 and listed under ANSI/UL 305 and ANSI/UL 10C for fire-rated configurations. The 33A/35A Series heavy-duty push pad platform is purpose-built for high-use and high-abuse institutional environments including schools, hospitals, and government facilities. With a broad range of field-configurable options, retrofit kits, and upgrade paths, Von Duprin delivers the flexibility and dependability that demanding commercial applications require.

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:
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

Parts & Accessories

    Von Duprin 3327AEO 4 US26D – Frequently Asked Questions

    1) What are the narrow stile alternatives to the Von Duprin 3327A?
    Several, and they differ in what they accept for trim. The Corbin Russwin ED4400 is a Grade 1 narrow stile surface vertical rod exit only device that accepts trim, for 1-3/4 inch doors. The Falcon 19-V-EO and 24-V-EO are Grade 1 narrow stile exit only devices, also 1-3/4 inch. The TownSteel ED3727 is a Grade 1 narrow stile device rated for wood doors as well. If you want a crossbar rather than a push pad, the Corbin Russwin ED7400 is narrow stile with a crossbar and accepts operator trim. The Adams Rite 8200 Series is the narrow stile life-safety option.
    2) Will the 3327A latch a pair of doors without a mullion?
    Yes. A surface vertical rod device latches into a strike at the head and a strike at the threshold rather than into the frame edge, so it secures both leaves of a pair with no center mullion in the opening. Each leaf gets its own device. Latch throw is 3/4 inch at top and bottom. If you need to keep the floor clear, order the less bottom rod version and the opening relies on the top latch alone.
    3) Should I order the 3327A less bottom rod?
    Less bottom rod is the common choice where the floor takes abuse or gets wet: no bottom rod, no floor strike, nothing to trip over or fill with dirt, and the door sweeps clean. It is also what you want when the slab is uneven and a bottom latch would not consistently engage. The trade off is that all the securing happens at the head. If you go less bottom rod and want an electric strike at the top, order the ES top Pullman latch, which is the version built for that application. Standard rod builds take PL top and PL bottom latches.
    4) Can I tie the Von Duprin 3327A into my access control system?
    Yes, several ways, all specified at time of order. For monitoring, RX signals request to exit, LX monitors the latchbolt, LX-RX does both, RX2 is a double request to exit switch, and WP-RX is the waterproof request to exit for exterior openings. For remote unlocking, EL is electric latch retraction, QEL is the quiet version, and PN is pneumatic. Alarm kits are available as ALK, RX-ALK, or LXRX-ALK. A QEL modular conversion kit is also sold for 3 foot and 4 foot 33A/35A devices if you need to add latch retraction after the fact.
    5) Does the Von Duprin 3327A meet ADA opening force requirements?
    Not as standard, but there is a build for it. The AX accessible device upgrade is certified to the 5 lb force requirement under 2010 ADA Chapters 404.2.7 and 309.4 and the 2013 California Building Code Chapter 11B-309.4. Select AX on the order if the opening has to meet that force limit; it is not something you add in the field afterward.
    6) My door has a wide stile. Is the 3327A still the right vertical rod device?
    No, and putting a narrow stile device on a wide stile door is the wrong direction. The 3327A is built for stiles down to 1-3/4 inches. On a wide stile opening you have better choices: the Corbin Russwin ED5400 is the Grade 1 wide stile surface vertical rod, the Falcon 20 Series and 25 Series are wide stile Grade 1 exit only devices, and the Sargent 3727 is a wide stile Grade 1 push bar version. All four are listed for 1-3/4 inch doors except where noted in their own specs.
    7) Will the Von Duprin 3327A work on a 1-3/8 inch door?
    No. The 3327A is built for 1-3/4 inch doors only, and the fasteners that ship with it, 1-3/4 inch and 2-1/4 inch wood and metal door screws, are sized for that thickness. 1-3/4 inch is the standard commercial door thickness, so most institutional openings are already there, but a thinner older interior leaf is out of range for this device.
    8) My opening needs a fire rated vertical rod exit device. What should I use instead of the Von Duprin 3327A?
    The Von Duprin 3327A is not fire rated, so it is a panic device rather than a fire exit device. For a labeled opening, the Adams Rite 3100 Series is a fire rated Grade 1 surface vertical rod device for 1-3/4 inch doors in a wide stile, the Arrow S1150 is a fire rated surface vertical rod exit only device for 1-3/4 inch doors in narrow or wide stile, and the TownSteel EF9727 is a fire rated Grade 1 heavy duty surface vertical rod device in a wide stile. The Arrow S1150 is the one of the three that covers narrow stile as well as wide.
    9) What is the closest narrow stile surface vertical rod equivalent to the Von Duprin 3327A if I need a Grade 1 device on an aluminum door?
    The Von Duprin 3327A is a Grade 1 narrow stile surface vertical rod device for 1-3/4 inch doors. Direct narrow stile Grade 1 peers include the Corbin Russwin ED4400, a Grade 1 narrow stile surface vertical rod device for 1-3/4 inch doors, the Falcon 19-V-EO, a Grade 1 narrow stile vertical rod device for 1-3/4 inch doors in exit only function, and the TownSteel ED3727, a Grade 1 narrow stile surface vertical rod device. All four fit the narrow stile aluminum opening the 3327A is built for.
    10) Can I use a Sargent 12-8710 in place of a Von Duprin 3327A on an exit door?
    No. The Sargent 12-8710 is a dummy function fire rated surface vertical rod device with a wide stile design, so it has no working latch and provides no egress. The Von Duprin 3327A is a working Grade 1 panic device with a 3/4 inch latch throw. A dummy device belongs on the inactive leaf of a pair or where a matching appearance is needed without operation, not on the door people exit through.
    11) I am putting vertical rod devices on wood doors. Which comparables are rated for wood door use?
    The Von Duprin 3327A ships with 1-3/4 inch and 2-1/4 inch wood and metal door fasteners plus SNB, so the mounting hardware for a wood door comes in the box. Among the comparables, the TownSteel ED3727 narrow stile, the TownSteel ED8927 wide stile, and the TownSteel EF9727 fire rated heavy duty device are each listed as wood door compatible. On a labeled wood door the EF9727 is the fire rated one of the three.
    12) Do I have to specify handing when ordering a Von Duprin 3327A vertical rod device?
    The device itself is non-handed, so the same 3327A works on a left or right hand reverse door. Handing still gets selected on the order because trim and the signal switch option follow the door swing, and the SS signal switch is the one option that makes the device handed. If you are buying exit only with no trim, handing is not a stocking concern.
    13) What is the difference between the Von Duprin 3327A and the 3527A?
    Case cover. The 3327A has the grooved mechanism case; the 3527A is the smooth case. Both sit on the same heavy duty push pad platform with the same one-piece center case cover, so the choice is appearance and matching whatever is already installed elsewhere in the building, not performance.
    14) What trim options do I get with a Von Duprin 3327A vertical rod exit device?
    Trim function is a build choice: exit only, night latch or night latch with optional pull, lever, lever with blank escutcheon, lever with dummy trim, thumbturn, thumbturn with blank escutcheon, thumbturn and unlocks with or without blank escutcheon, or straight dummy trim. If you pick an L lever function you also choose the lever design: 06 is the default, with 01, 02, 03, 05, 07, 17 and 18 also offered. Exit only is the pick when nobody needs to come back in through that leaf.
    15) How do I dog the Von Duprin 3327A open during business hours?
    As built, the 3327A uses hex key dogging: you hold the push pad in and turn a hex key to hold the latches retracted so the door pushes free. If you would rather the dogging be key controlled so a hex wrench cannot defeat it, order the CD cylinder dogging version, which takes a cylinder. LD, less dogging, is the third choice and is what you specify where dogging is not permitted on the opening.
    16) Is the Von Duprin 3327A Grade 1?
    Yes, certified to ANSI/BHMA A156.3 2014 Grade 1, and listed to ANSI/UL 305 for panic hardware and CAN/ULC-S132. That is the level institutional specs typically call for on high traffic egress doors in schools, hospitals and government buildings.
    17) I need delayed egress on an exit door. Can the Von Duprin 3327A do it?
    Yes, through the CX CHEXIT option, which holds the door secure for 15 seconds after a request to exit while a nuisance alarm sounds, and meets NFPA and IBC delayed egress requirements. There are also Chexit PCB kits sold for 33/35/98/99 Series devices, Von Duprin 040086 and 050228, if you are servicing or converting a device already in the opening.
    18) I am standardizing exit hardware across a school. Is the 3327A a good fleet choice?
    It suits that job. The device is non-handed, so one part number covers both swings and you stock fewer SKUs. It is Grade 1 on the heavy duty push pad platform built for high use and high abuse. Ten finishes let you match what is already hanging, and options like RX, LX, QEL and CX can be specified per opening without changing the base device. The one thing to watch across a campus: this build is not fire rated, so any fire rated cross corridor or stair door needs a fire exit device instead.
    19) What is the difference between the Von Duprin 3327A and a crossbar vertical rod device like the Corbin Russwin ED7400?
    The Von Duprin 3327A is a push pad device: the actuator is a pad across the face of the case. The Corbin Russwin ED7400 is a Grade 1 narrow stile crossbar surface vertical rod device for 1-3/4 inch doors that accepts operator trim, so the actuator is a horizontal crossbar rather than a pad. Both are narrow stile Grade 1 vertical rod devices; the choice is whether the facility wants the pad or crossbar look and touch across its openings.
    20) I stock left and right hand doors. Is the Von Duprin 3327A handed, and which comparable devices are reversible?
    The Von Duprin 3327A surface vertical rod device is non-handed, so one part number covers openings of either hand. Among the comparables, the BEST Precision 5201 Series is a reversible surface vertical rod device, the Sargent 2727 is a reversible Grade 1 fire rated surface vertical rod device, and the Orca Hardware OED56 is a non-handed vertical rod exit device in exit only function for 1-3/4 inch doors. Any of these reduces the number of distinct devices a shop has to carry.
    21) I need a less bottom rod vertical rod device to keep the threshold clear. What are my options besides the Von Duprin 3327A?
    The Von Duprin 3327A can be ordered less bottom rod, which removes the bottom rod and latch so nothing runs to the floor at the threshold. The Orca Hardware OED56 Series is a standard duty vertical rod exit device supplied less bottom rod in an aluminum finish, non-handed, for 1-3/4 inch doors in exit only function. That is the direct alternative when the goal is a clear sill on a door that does not need trim.
    22) For a lower traffic door, is there a standard duty alternative to the Von Duprin 3327A vertical rod device?
    The Von Duprin 3327A is a commercial Grade 1 device built for high use institutional openings. Where the traffic is lighter, the Design Hardware 2000V is a standard duty surface vertical rod exit device and the Orca Hardware OED56 is a standard duty vertical rod exit device for 1-3/4 inch doors in exit only function. The Design Hardware 1000V is the heavy duty device in that same family if you want to stay with heavier construction on the busier leaf.
    23) What finishes does the Von Duprin 3327A come in for matching existing hardware in a building?
    Ten finishes: 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. On aluminum storefront, 628 aluminum and 710 dark bronze anodized are the two that usually match the existing frame; 626 satin chrome is the common institutional interior pick.
    24) How much space does the 3327A center case take up on the door face?
    The center case measures 8-3/16 x 1-9/16 x 2-13/32 inches, and the device projects 3-13/16 inches off the door. Mount it with the centerline at 39-13/16 inches from finished floor. The projection is the number that matters if the door swings into a corridor with a narrow clear width or toward an adjacent wall return.
    25) How does the BEST Precision 2201 compare with the Von Duprin 3327A for a school corridor door?
    The BEST Precision 2201 Series is a wide stile surface vertical rod exit device and is not fire rated. The Von Duprin 3327A is a Grade 1 narrow stile device, also not fire rated, non-handed, for 1-3/4 inch doors. On a hollow metal corridor door with a wide stile the 2201 fits the stile; on an aluminum storefront leaf the narrow stile 3327A is the one that lands on the rail.
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    Does the Von Duprin 3327AEO 4 US26D come with a warranty?
    Absolutely. The Von Duprin 3327AEO 4 US26D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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