Von Duprin 55-3ft Narrow Stile...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,695.00
$3,068.70
Von Duprin 55-3ft Narrow Stile Crossbar Rim Exit Device - 3 ft, Grade 1, Field Reversible

Von Duprin 55-3ft Narrow Stile Crossbar Rim Exit Device - 3 ft, Grade 1, Field Reversible

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Model: 55 EO US4-3
$3,695.00
$3,068.70
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$3,695.00
$3,068.70
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Von Duprin 55-3ft Narrow Stile Crossbar Rim Exit Device - 3 ft, Grade 1, Field Reversible

Classic Crossbar Design for Narrow Stile Single and Double Door Applications

The Von Duprin 55-3ft Narrow Stile Crossbar Rim Exit Device delivers a classic crossbar aesthetic engineered for demanding commercial applications on single and double doors with mullion. Designed to fit door stiles as narrow as 1-3/4" (44 mm) and specified for 2-1/4" doors, this 3 ft (36") device is field reversible for flexible installation. Certified to ANSI/BHMA A156.3, 2008 Grade 1 and UL listed for accident hazard installations, the 55 Series is a trusted choice for retro-inspired architecture and historical buildings where a narrow stile crossbar solution is required.

Professional Features & Benefits

  • Narrow Stile Compatibility: Fits door stiles as narrow as 1-3/4" (44 mm), specified for 2-1/4" doors, making it ideal for narrow stile door applications in commercial settings.
  • Product Size & Dimensions: Available in 3 ft (36") length; case dimensions of 7-1/4" x 1-1/4" x 2-1/4" for both hinge stile and lock stile cases, with a product projection of 3-3/4".
  • Latch Throw: Features a 3/4" latch throw for reliable latching performance in commercial door applications.
  • Field Reversible Design: The device is field reversible, allowing adaptation to left- or right-hand door configurations without special ordering, reducing installation complexity.
  • ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3, 2008 Grade 1 certification along with ANSI/UL 305 and CAN/ULC-S132 standards, ensuring top-tier performance and code compliance. Fire-rated configurations (adding “-F" suffix) also meet ANSI/UL 10C and CAN/ULC-S104.
  • Multiple Device Type Configurations: Available as a rim device, surface-mounted vertical rods (27), concealed vertical rods (47), or mortise locks (75) to suit a wide range of door and opening requirements.
  • Versatile Trim Functions: Supports Classroom, Dummy, Exit Only, Passage, and Storeroom functions; popular 990 pull trim includes five standard functions for maximum flexibility.
  • Electronic & Mechanical Options: Compatible with E8875 electrified option for access control, fire alarm, or remote switching integration; RX switch for opening monitoring; KN knurling on crossbars for tactile hazard warning on doors leading to stairs, loading platforms, boiler rooms, and similar areas.
  • Fasteners Included: Comes with a screw pack for 1-1/4" and 2-1/4" thick metal/wood doors, with SNB included for straightforward installation.
  • Hex Key Dogging Configuration: Features hex key dogging for convenient hold-open functionality in appropriate applications.

Technical Specifications

  • 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
  • Product Subgroup: Exit Devices - Rim
  • Subcategory: Rim Exit Devices
  • Latch Throw: 3/4"
  • Product Type: Exit Devices - Rim
  • Commercial/Residential: Commercial
  • Stile Type: Narrow Stile
  • Wood Door Compatible: No
  • Product Model: 55-3'
  • Door Hand Direction: Reversible
  • Door Thickness Range: 1-3/4"
  • Product Size: 36"
  • Dogging Configuration: Hex Key Dogging
  • Product Dimension: 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)
  • Fire Rating: No
  • Product Projection: 3-3/4"
  • Product Style: Cross Bars
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Historical and Retro-Inspired Architecture
  • Government and Municipal Buildings

Why Choose Von Duprin Quality?

Von Duprin 55 Series Rim Exit Devices are engineered to meet the rigorous demands of commercial door hardware applications, carrying ANSI/BHMA A156.3, 2008 Grade 1 certification and UL listing for accident hazard installations. The 55 Series supports a broad range of trim functions, electronic options including access control and monitoring integration, and is field reversible for installation flexibility. With case dimensions of 7-1/4" x 1-1/4" x 2-1/4", a 3/4" latch throw, and compatibility with door stiles as narrow as 1-3/4" (44 mm), this device is built to deliver dependable performance in high-traffic commercial environments.

Manufacturer Resources

Von Duprin 98/99 Series Catalog

Product Specs

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
Product Subgroup:
Exit Devices - Rim
Subcategory:
Rim Exit Devices
Latch Throw:
3/4"
Product Type:
Exit Devices - Rim
Commercial/Residential:
Commercial
Stile Type:
Narrow Stile
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"
Dogging Configuration:
Hex Key Dogging
Product Dimension:
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)
Fire Rating:
No
Product Projection:
3-3/4"
Product Style:
Cross Bars
Product Category:
Exit Devices and Trim
Department:
Door Hardware

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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