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Von Duprin 55 Series - 4ft Narrow Stile Crossbar Rim Exit Device
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 55 and 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.
Resources and Downloads
- 55 Series catalog
- Von Duprin 55 Wood Door Trims Controls Strikes Template Index
- Von Duprin 55 Wood Door Template Index
- Von Duprin 55 Hollow Metal Door Template Index
- Von Duprin 55 Hollow Metal Door Trims Controls Strikes Template Index
- Von Duprin Auxiliary Catalog
- Von Duprin Full Line Hyperlinks Catalog
- Allegion Connect Data Sheet
- Allegion Architectural Guide Catalog
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
- Product Model:
- 55-4'
- Door Hand Direction:
- Reversible
- Door Thickness Range:
- 1-3/4"
- Product Size:
- 48"
Parts & Accessories
Von Duprin 55 EO US4-4 – 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 doors and glass doors with 2" stiles. Common on storefronts and curtain wall systems. Verify your door stile width before ordering.
2) How do I determine the correct handing for this exit device?
Stand on the egress side facing the door. Right hand if hinges are on your right, left hand if on your left. Specify handing when ordering as devices are hand-specific.
3) What finish options are available for the 55 Series?
Standard finishes include aluminum, dark bronze, and satin chrome. Custom finishes may be available. Verify finish availability for your specific model number.
4) Does this device meet fire door requirements?
The 55 Series is UL listed for fire doors when properly installed. Check your specific model for fire rating compatibility. Follow manufacturer templates exactly for listed applications.
5) What grade rating does this exit device carry?
Von Duprin 55 Series carries Grade 1 certification. Tested for 2 million cycles and meets ANSI/BHMA A156.3 standards for heavy duty commercial use.
6) Can I add electric latch retraction to this device?
Yes, the 55 Series accepts electric latch retraction options. EL and EPL models available for access control integration. Consult electrified hardware options for your application.
7) What strike options work with this rim exit device?
Use Von Duprin 4900 series strikes for standard applications. Electric strikes like 6200/6300 series for access control. Match strike to your frame type and function needs.
8) How much door preparation is required for installation?
Rim devices require minimal door prep - mainly mounting holes for device attachment. Follow manufacturer template exactly. Frame requires strike preparation and reinforcement.
9) How do I adjust the latch and deadbolt projection?
Use the adjustment screws on the latch case. Standard projection is 1/2" for latch, 1" for deadbolt. Adjust to ensure proper engagement with strike. Test operation after adjustments.
10) What related Von Duprin models should I consider?
Consider 35 Series for standard stile doors or 98/99 Series for surface vertical rod applications. Browse our Von Duprin collection for compatible options.
11) Can this device handle high wind load conditions?
The 55 Series handles standard commercial wind loads when properly installed. For extreme conditions, verify door and frame reinforcement requirements. Consider additional bracing if needed.
12) What is the maximum door weight capacity for this device?
Check manufacturer specifications for your specific model. Most 55 Series devices handle standard commercial glass doors. Verify weight limits with heavy glass or oversized doors.
How fast can I get the Von Duprin 55 EO US4-4 delivered?
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Does the Von Duprin 55 EO US4-4 come with a warranty?
Absolutely. The Von Duprin 55 EO US4-4 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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