Von Duprin 5575F-3ft Fire Rate...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$4,232.00
$3,910.27
Von Duprin 5575F Series - Fire Rated 3ft Narrow Stile Crossbar Mortise Lock Exit Device, Less Dogging

Von Duprin 5575F-3ft Fire Rated Narrow Stile Crossbar Mortise Lock Exit Device, Less Dogging, 36"

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Model: 5575EO-F US26D-3
$4,232.00
$3,910.27
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$4,232.00
$3,910.27
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Von Duprin 5575F-3ft Fire Rated Narrow Stile Crossbar Mortise Lock Exit Device, Less Dogging, 36"

Classic Crossbar Design with Fire-Rated Mortise Lock Performance for Narrow Stile Doors

The Von Duprin 5575F-3ft is a fire-rated narrow stile crossbar mortise lock exit device from the trusted 55 Series, engineered for 3-foot (36") single door applications. Designed to fit door stiles as narrow as 4-3/4" (121 mm) and specified for 2-1/4" doors with a door thickness of 1-3/4", this device is UL listed for up to 3-hour labeled fire installations on 4' x 10' (1219 mm x 3048 mm) single or 8' x 8' (2438 mm x 2438 mm) double metal doors. The integrated 7500 mortise lock features a 3/4" (19 mm) anti-friction latch bolt that is field reversible without removing the lock from the door, along with a non-handed auxiliary bolt for deadlocking and a faceplate with an adjustable bevel. Certified to ANSI/BHMA A156.3, 2008 Grade 1 standards, this device delivers professional-grade reliability for demanding commercial environments.

Professional Features & Benefits

  • Narrow Stile Compatibility: Fits door stiles as narrow as 4-3/4" (121 mm), specified for 2-1/4" doors, making it ideal for narrow stile metal door applications where space is limited.
  • Fire-Rated Construction: UL listed for up to 3-hour labeled fire installations, compliant with ANSI/UL 10C and CAN/ULC-S104 fire rating standards for maximum life-safety protection.
  • Field-Reversible Latch: The 7500 mortise lock features a 3/4" (19 mm) anti-friction latch bolt that is field reversible without removing the lock from the door, simplifying installation and handing adjustments.
  • Deadlocking Auxiliary Bolt: Non-handed auxiliary bolt provides positive deadlocking action, enhancing security and preventing latch manipulation.
  • Adjustable Bevel Faceplate: Faceplate with adjustable bevel accommodates varying door edge preparations for a precise, professional fit.
  • Grade 1 Certified Performance: ANSI/BHMA A156.3, 2008 Grade 1 certified, along with ANSI/UL 305, CAN/ULC-S132 compliance, ensuring the highest level of commercial exit device performance.
  • Classic 55 Series Crossbar Design: The 55 Series narrow stile crossbar is commonly used in retro-inspired architecture and historical buildings, offering both aesthetic appeal and reliable egress performance.
  • Flexible Length Options: Available in 3' and 4' lengths that are field sizeable for single and double door applications, providing versatile configuration options.
  • Optional Electronic & Mechanical Upgrades: Compatible with E8875 option for pairing with access control, fire alarm, or remote switching systems; RX switch for door monitoring; and KN knurling on crossbars for tactile hazard warnings.
  • Wood Door Compatibility: Wood door installations require 589 cover plate (specified separately) for proper integration.

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.
  • Product Subgroup: Exit Devices - Mortise
  • Product Type: Exit Devices - Mortise
  • Subcategory: Mortise Exit Devices
  • Latch Throw: 1/2"
  • Commercial/Residential: Commercial
  • Stile Type: Narrow Stile
  • Door Hand Direction: Field 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: Yes
  • 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 mortise exit devices are engineered to meet the most demanding commercial life-safety requirements, certified to ANSI/BHMA A156.3, 2008 Grade 1 and UL listed for up to 3-hour fire-rated installations. The field-reversible 3/4" anti-friction latch bolt, non-handed auxiliary deadlocking bolt, and adjustable bevel faceplate reflect the precision engineering and installation flexibility that commercial door hardware professionals rely on. With compatibility for a wide range of trim options, electronic upgrades, and door configurations, Von Duprin 55 Series devices are a trusted solution wherever dependable egress performance is essential.

Manufacturer Resources

Von Duprin 55 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.
Product Subgroup:
Exit Devices - Mortise
Product Type:
Exit Devices - Mortise
Subcategory:
Mortise Exit Devices
Latch Throw:
1/2"
Commercial/Residential:
Commercial
Stile Type:
Narrow Stile
Door Hand Direction:
Field 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:
Yes
Product Projection:
3-3/4"
Product Style:
Cross Bars
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 5575EO-F US26D-3 – Frequently Asked Questions

1) Will the Von Duprin 5575F fit a narrow stile aluminum or metal door?
The 5575F is a narrow stile device and fits stiles as narrow as 4-3/4 inches (121 mm). It is built for 1-3/4 inch thick doors, so it is a single-thickness device. If your stile is narrower than 4-3/4 inches, this one will not land on the door face correctly and you need a different device entirely.
2) Is the 5575F approved for a labeled fire door opening?
Fire rated, and UL listed for up to 3-hour labeled fire installations on single metal doors up to 4 ft x 10 ft, or double metal doors up to 8 ft x 8 ft. It complies with ANSI/UL 10C and CAN/ULC-S104. Because it is a fire device, it ships less dogging, which is what a labeled opening requires anyway.
3) Do I have to order the 5575F handed, or can I flip it in the field?
You pick LHR or RHR when ordering, but the latch itself is forgiving. The 7500 mortise lock's 3/4 inch anti-friction latch bolt is field reversible without pulling the lock out of the door, and the auxiliary deadlocking bolt is non-handed. So a handing mistake on site is fixable without a new lock.
4) What do I need to specify besides the device when I order a 5575F?
Four decisions. Trim function: exit only, night latch, lever, lever with blank escutcheon, or dummy trim. If you go lever, pick the lever style (06 is the default, with 03, 07 and 17 also available). Crossbar: standard, RCB reinforced, or KN knurled for tactile hazard warning. And whether you want an RX request-to-exit switch for door monitoring. Finish comes in 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, 626 satin chrome, 643E aged bronze and 693 black.
5) Is the 5575F Grade 1, and does it meet panic hardware standards?
Certified to ANSI/BHMA A156.3, 2008 Grade 1, and it complies with ANSI/UL 305 and CAN/ULC-S132 for panic hardware. That is the level most institutional and government specs call for on egress doors.
6) My door has a wide stile. What fire rated mortise exit device should I use instead?
Do not force a narrow stile device onto a wide stile door. For wide stile fire rated openings, the Corbin Russwin ED5600AL is a Grade 1 3-hour fire rated mortise exit device for 1-3/4 inch doors that takes passage or classroom lever trim (trim sold separately), and the Adams Rite 3300 Series is a Grade 1 fire rated mortise device for wood and hollow metal doors. The Falcon 25-M-EO is another Grade 1 wide stile mortise option in exit only.
7) The opening is not fire rated - what narrow stile mortise exit device can I use instead of the Von Duprin 5575F?
The 5575F carries a fire rating, which you pay for in a labeled opening and do not need on a non-labeled one. For a non-fire narrow stile mortise device, the Adams Rite 8400 series is a Grade 1 life-safety narrow stile mortise exit device for aluminum doors and is listed with no fire rating. Note the 8400 is specified for aluminum doors, while the 5575F is specified for narrow stile metal doors with wood door use requiring the 589 cover plate.
8) What is the closest narrow stile mortise exit device to the Von Duprin 5575F if I need night latch function?
The Von Duprin 5575F itself is offered in an NL night latch trim function, so the closest match is the 5575F ordered that way. If you are cross-shopping brands, the Sargent 8304 is a narrow stile mortise exit device in night latch function, ANSI/BHMA Grade 1 like the 5575F. The difference in look is the 5575F uses a crossbar actuator; the Sargent is from the 8300 series.
9) How far does the 55 Series crossbar device stick out into the corridor?
Projection is 3-3/4 inches off the door face. The mortise cases measure 7-1/4 x 1-1/4 x 2-1/4 inches at both the hinge stile and lock stile. Worth checking against your clear-width calculation and anything mounted on the adjacent wall.
10) Can I tie a 55 Series exit device into access control or a fire alarm?
Yes. The E8875 option pairs the device with access control, fire alarm, or remote switching systems, and the RX request-to-exit switch gives you door monitoring back at the panel. Specify the RX at the time of order.
11) What is the difference between a mortise exit device like this and a rim device?
A mortise exit device puts the lock body inside a pocket cut into the door edge, so the latch engages a strike in the frame and the lock case is protected inside the leaf. That means the door has to be prepped for a mortise lock, which is why this suits new metal doors or openings already mortised. A rim device surface mounts and needs only a rim strike, so it is the easier retrofit. On the 5575F the mortise lock is the 7500, with a 3/4 inch anti-friction latch bolt, a non-handed auxiliary bolt for deadlocking, and an adjustable bevel faceplate so it sits right on a beveled door edge.
12) Why does the 5575F come less dogging, and can I hold the door in a push-open state?
Fire rated exit devices cannot be dogged down, because the latch has to stay engaged to keep the door latched in a fire. The 55 Series uses hex key dogging where dogging is offered, but on this fire rated model it is omitted. If you want a free-swinging door during business hours, that has to be handled with an electric latch retraction or a non-fire-rated device on a non-labeled opening.
13) What trim do I order if I want a lever on the outside of the door?
Choose the L trim function for a lever, or L-BE for a lever with a blank escutcheon where no cylinder is wanted. Lever style then has to be called out: 06 is the default, with 03, 07 and 17 as the alternatives. If you want key-only entry instead, order NL night latch; for no outside operation at all, EO exit only; and DT dummy trim for a pull with no function.
14) Can I use the Detex 30 Advantex on a wood door instead of the Von Duprin 5575F?
No. The Detex 30 series Advantex mortise device is listed as not wood door compatible. The Von Duprin 5575F can go on a wood door, but the installation requires the 589 cover plate specified separately, and its screw pack covers 1-1/4 inch and 2-1/4 inch thick metal and wood doors.
15) Is the Sargent 1256NB-8710G a substitute for the Von Duprin 5575F?
Not for the same opening. Both are Grade 1 narrow stile devices, but the Sargent 1256NB-8710G is a surface mount vertical rod device at 84 inches with electric latch retraction, which latches top and bottom and needs rod and strike prep. The Von Duprin 5575F is a mortise lock device at 36 inches that latches into the frame at the lock stile. They prep the door differently and are not interchangeable.
16) I need a night latch mortise device with 24V electric operation - does the Von Duprin 5575F do that?
The 5575F offers NL night latch trim and an RX request to exit switch option for door monitoring, but if you need a powered night latch mortise device, the Sargent 8904 is a Grade 1 wide stile mortise exit device in night latch function with 24VAC/DC operation. Keep in mind the 8904 is wide stile, while the 5575F fits narrow stile openings.
17) We have older brass door hardware throughout the building. Will the 55 Series match?
Finish choices run 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 625 bright chrome, 626 satin chrome, 643E aged bronze and 693 black, so the common brass and bronze BHMA numbers are covered. The crossbar styling of the 55 Series is the classic look used in retro-inspired and historical buildings, which is usually why it gets specified over a flat push pad.
18) Is the Sargent 810 an alternative to ordering the Von Duprin 5575F with dummy trim?
They serve the same idea from different sides. The 5575F is offered with a DT dummy trim function as part of the device order. The Sargent 810 is a Grade 1 dummy pull exit device trim from the PE80 series - it is trim only, not a device, so it does not replace the 5575F on an egress door. Use the 810 only where you are dressing a leaf that needs no exit device.
19) What is a simpler alternative to the Von Duprin 5575F if I do not need a crossbar or fire rating?
The BEST Precision 2301 is a 2300 series mortise exit device supplied exit only with heavy wrought construction, a straightforward device-only option. The Adams Rite 8300 series is a Grade 1 life-safety mortise exit device for wood and hollow metal doors with no fire rating. The Von Duprin 5575F differs in that it is fire rated, uses a crossbar actuator, and fits narrow stiles.
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Does the Von Duprin 5575EO-F US26D-3 come with a warranty?
Absolutely. The Von Duprin 5575EO-F US26D-3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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