Von Duprin 55 Series - 3 ft Na...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,695.00
$2,709.67
Copy of Von Duprin 55 Rim Exit Device - 3-Foot

Von Duprin 55 Series - 3 ft Narrow Stile Crossbar Rim Exit Device

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Model: 55 EO US4-3
$3,695.00
$2,709.67
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Selected Trim Function is
Selected Lever Style (for Lever Trim Function Only) is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$3,695.00
$2,709.67
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Von Duprin 55 Series - 3 ft Narrow Stile Crossbar Rim Exit Device

Von duprin 55 Rim devices for all types of single and double doors with mullion, UL listed for accident hazard installations. Fits doors stiles as narrow as 1 3/4" (44 mm). Specify for 2-1/4" door. Device is field reversible.

 

SERIES

The von duprin 55 exit device and von duprin 88 Series are exit Device crossbars with a classic design. The 55 and 88 Series have the same functionality with different dimensions and design elements; the 55 Series is a narrow stile device and the 88 Series is a wide stile device. The 55 Series is commonly used in retro-inspired architecture and historical buildings. The 88 Series is a standard device for applications where a crossbar is preferred. Both Series are ANSI/BHMA A156.3, 2008 Grade 1 certified and UL rated.

 

Features and Benefits

  • Several surface-mounted vertical applications
  • Several rim applications
  • Available in 3’ and 4’ lengths that are field sizeable for single and double door applications

 

Specifications

The 55 and 88 Series certifications and specifications are specific to each configuration. See the 55 and 88 Series catalogs for more details.

  • ANSI/BHMA A156.3, 2008 Grade 1 certified
  • ANSI/UL 10C (fire rated only)
  • ANSI/UL 305
  • CAN/ULC-S104 (fire rated only)
  • CAN/ULC-S132

 

Device Type

All 55 and 88 Series devices can be ordered as being fire rated by adding “–F” as a suffix.

Rim

  • 27: surface-mounted vertical rods
  • 47: concealed vertical rods
  • 75: Mortise Locks

 

TRIM OPTIONS

Many trims and configurations are available for the 55 and 88 Series. See the 55 and 88 Series catalogs for a complete list.

Functions

  • Classroom: the key locks and unlocks the lever or knob
  • Dummy: the rigid mechanical trim for pull operation
  • Exit only: no outside trim
  • Passage: the lever or knob is always active
  • Storeroom: the key retracts the latchbolt and the lever or knob is rigid

 

Popular trims

  • 990: for pull trim, 5 functions come standard:
    • Classroom (TP)
    • Storeroom (NL)
    • Dummy trim (DT)
    • Passage (TP-BE)
    • Exit only (EO)

 

Levers and Finishes

There is a wide variety of levers and finishes available. Refer to the 55 and 88 Series catalogs for complete information.

 

OPTIONS

The 55 and 88 Series can be customized with several mechanical, electronic and finish options to meet any facility needs.

  • E8875: allows the device to pair with an access control system, fire alarm system or remote switching station
  • RX: a switch is placed in the Exit Device to monitor an opening; when the push bar is depressed, a signal is sent to a monitoring device
  • KN: knurling on crossbars provide a tactile warning to indicate doors that lead to hazardous areas; ex: stairs, loading platforms, boiler rooms, etc.

 

Accessories

From mullions to power transfers and strikes, the 55 and 88 Series offer many accessories to meet evolving needs of any facility. Refer to the 55 and 88 Series catalogs for a complete list.

 

Also known as

von duprin 55 series exit devices, von duprin series 55, von duprin 55 series panic bar

Resources and Downloads

Manufacturer Resources

Product Specs

Category:
Exit Devices and Trim
Product Group:
Exit Devices and Trim
Series:
55 Series
Grade:
Grade 1
Fasteners:
Screw pack for 1-1/4" and 2-1/4" thick medal/wood doors. SNB included
Dimensions:
7-1/4" x 1-1/4" x 2-1/4" (Hinge Stile Case), 7-1/4" x 1-1/4" x 2-1/4" (Lock Stile Case)
Product Subgroup:
Exit Devices - Rim
Subcategory:
Rim Exit Devices
Projection:
3-3/4"
Latch Throw:
3/4"
Dogging:
Hex Key Dogging
Product Type:
Exit Devices - Rim
Commercial/Residential:
Commercial
Style:
Cross Bars
Stile Type:
Narrow Stile
Fire Rated:
No
Wood Door Compatible:
No
Tags:
von duprin 55 series, von duprin 55, von duprin 55 exit device, von duprin 55 series exit devices, von duprin series 55, von duprin 55 series panic bar
Product Model:
55-3'
Door Hand Direction:
Reversible
Door Thickness Range:
1-3/4"
Product Size:
36"

Parts & Accessories

    Von Duprin 55 EO US4-3 – Frequently Asked Questions

    1) What door types work with the Von Duprin 55 Series narrow stile crossbar exit device?
    This device fits narrow stile aluminum storefront doors and glass doors. Door stile width must be 2" to 2-1/2" wide. Verify door thickness and weight capacity before ordering.
    2) How do I determine the correct handing for this exit device?
    Stand on the egress side (side you exit from). If hinges are on your right, order RHR (right hand reverse). If hinges are on your left, order LHR (left hand reverse). Narrow stile doors typically use reverse handing.
    3) What finish options are available for the 55 Series?
    Standard finishes include aluminum, dark bronze, and satin chrome. Custom finishes may be available through special order. Verify finish compatibility with door hardware and building aesthetics.
    4) What fire rating does this Von Duprin exit device carry?
    The 55 Series typically carries a 3-hour fire rating when properly installed on listed fire door assemblies. Confirm specific rating requirements with local AHJ and door manufacturer specifications.
    5) Does this device meet ADA and building code requirements?
    Yes, the crossbar design meets ADA accessibility requirements and IBC egress codes. Operating force is typically under 15 lbs. Verify local code compliance for your specific installation.
    6) What accessories are compatible with the 55 Series narrow stile device?
    Compatible accessories include electric latch retraction, delayed egress modules, and key cylinders. Dogging options may be limited on narrow stile applications. Check Von Duprin compatibility charts for specific accessories.
    7) How is the 55 Series narrow stile device installed?
    Installation requires precise measurement and drilling per manufacturer template. The rim case mounts to the door face with through-bolts. Strike mounts to frame jamb. Use only certified installers for fire-rated applications.
    8) What maintenance does this exit device require?
    Monthly testing of crossbar operation and latch engagement is recommended. Apply light lubricant to pivot points annually. Check mounting screws for tightness. Replace worn components immediately to maintain code compliance.
    9) How does the 55 Series compare to other Von Duprin narrow stile models?
    The 55 Series offers reliable heavy-duty performance for high-traffic applications. Compare with other models in the exit device family based on door width, traffic level, and required accessories.
    10) What are the key measurements for the 55 Series narrow stile?
    Case length is 3 feet (36 inches). Backset is typically 1-3/4" for narrow stile doors. Verify exact dimensions and door prep requirements from manufacturer installation instructions before ordering.
    11) Can this device be used on exterior applications?
    Yes, with proper finish selection and weatherstripping. Consider environmental factors like moisture, temperature extremes, and corrosion. Exterior applications may require additional maintenance and inspection frequency.
    How fast can I get the Von Duprin 55 EO US4-3 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 55 EO US4-3 come with a warranty?
    Absolutely. The Von Duprin 55 EO US4-3 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 55 EO US4-3?
    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 55 EO US4-3 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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