Von Duprin 8875-3FT Wide Stile...
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Von Duprin 8875-3FT Wide Stile Crossbar Mortise Exit Device, 36" Grade 1, Non-Handed

Von Duprin 8875-3FT Wide Stile Crossbar Mortise Exit Device, 36" Grade 1, Non-Handed

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Model: 8875EO US26D-3
$2,898.00
$2,664.28
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In Stock (leaves warehouse same day if ordered before 3pm ET)

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$2,664.28
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Von Duprin 8875-3FT Wide Stile Crossbar Mortise Exit Device, 36" Grade 1, Non-Handed

Commercial-Grade Wide Stile Mortise Exit Device with Classic Crossbar Design

The Von Duprin 8875-3FT is a 36" wide stile crossbar mortise exit device engineered for single and double door commercial applications. Part of the trusted 88 Series, this device fits stock hollow metal doors with 86 cutouts and accommodates door stiles as narrow as 4-3/4" (121 mm), making it a versatile solution for a broad range of door configurations. 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 and UL listed for accident hazard installations, this device delivers dependable egress performance in demanding commercial environments.

Professional Features & Benefits

  • Wide Stile Compatibility: Designed for wide stile doors with stiles as narrow as 4-3/4" (121 mm), fitting stock hollow metal doors with standard 86 cutouts for straightforward installation.
  • 36" Crossbar Length: Available in a 3-foot (36") length that is field sizeable for both single and double door applications, providing installation flexibility on-site.
  • 3/4" Anti-Friction Latch Bolt: The 7500 Mortise Lock is equipped with a 3/4" (19 mm) anti-friction latch bolt that is field reversible without removing the lock from the door, simplifying handing adjustments.
  • Non-Handed Auxiliary Bolt: Includes a non-handed auxiliary bolt for deadlocking, reducing inventory requirements and simplifying specification across mixed-hand door openings.
  • Field-Selectable Functions: Field selection of functions furnished standard; TP and K functions may be field selected by turning down a set screw in the Mortise Lock body, minimizing the need for special orders.
  • Electric Locking Options: Electric locking or unlocking options are available, including the E8875 option that allows the device to pair with an access control system, fire alarm system, or remote switching station.
  • ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3, 2008 Grade 1 and UL listed (ANSI/UL 305; ANSI/UL 10C for fire-rated configurations; CAN/ULC-S104 for fire-rated; CAN/ULC-S132), ensuring compliance with the highest commercial performance standards.
  • Hex Key Dogging Configuration: Hex key dogging allows the latchbolt to be held in the retracted position for push/pull traffic flow, a standard feature for high-traffic commercial openings.
  • Knurling Option (KN): Optional knurling on crossbars provides a tactile warning to indicate doors leading to hazardous areas such as stairs, loading platforms, and boiler rooms.
  • Monitoring Switch Option (RX): Optional RX switch placed in the exit device monitors the opening; when the push bar is depressed, a signal is sent to a monitoring device for integrated security oversight.
  • All Mounting Fasteners Included: All necessary mounting fasteners are included for a complete installation package.

Technical Specifications

  • Product Group: Exit Devices and Trim
  • Series: 88 Series
  • Grade: Grade 1
  • Device Centerline: 39-13/16"
  • Fasteners: All necessary mounting fasteners are included
  • Product Subgroup: Exit Devices - Mortise
  • Subcategory: Mortise Exit Devices
  • Latch Throw: 3/4"
  • Product Type: Exit Devices - Mortise
  • Commercial/Residential: Commercial
  • Stile Type: Wide Stile
  • Wood Door Compatible: No
  • Door Hand Direction: Non-Handed
  • Door Thickness Range: 1-3/4"
  • Product Size: 36"
  • Dogging Configuration: Hex Key Dogging
  • Fire Rating: No
  • 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
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Von Duprin Quality?

Von Duprin 88 Series mortise exit devices are certified to ANSI/BHMA A156.3, 2008 Grade 1 and UL listed under ANSI/UL 305, ANSI/UL 10C, CAN/ULC-S104, and CAN/ULC-S132, reflecting a commitment to the highest standards of commercial door hardware performance. The 8875-3FT features a field-reversible 3/4" anti-friction latch bolt, non-handed auxiliary deadlocking bolt, and field-selectable functions that reduce installation complexity and inventory requirements. Engineered for demanding commercial applications where dependable egress performance and code compliance are essential.

Manufacturer Resources

Von Duprin 88 Series Catalog

Product Specs

Product Group:
Exit Devices and Trim
Series:
88 Series
Grade:
Grade 1
Device Centerline:
39-13/16"
Fasteners:
All necessary mounting fasteners are included
Product Subgroup:
Exit Devices - Mortise
Subcategory:
Mortise Exit Devices
Latch Throw:
3/4"
Product Type:
Exit Devices - Mortise
Commercial/Residential:
Commercial
Stile Type:
Wide Stile
Wood Door Compatible:
No
Door Hand Direction:
Non-Handed
Door Thickness Range:
1-3/4"
Product Size:
36"
Dogging Configuration:
Hex Key Dogging
Fire Rating:
No
Product Projection:
04/07/2008
Product Style:
Cross Bars
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 8875EO US26D-3 – Frequently Asked Questions

1) Is the Von Duprin 8875 exit device fire rated, and can I put it on a fire door?
No. The 8875-3FT carries no fire rating, so it can't go on a labeled fire door assembly. Fire exit hardware is a separate product. If the opening is a fire door, the Adams Rite 3300 Series is a fire-rated wide stile mortise exit device, and the Corbin Russwin ED5600AL is a Grade 1 3-hour fire rated mortise device for 1-3/4 inch doors.
2) Do I have to order the Von Duprin 8875 handed, and can it be reversed in the field?
The device itself is non-handed, and the 7500 mortise lock's 3/4 inch anti-friction latch bolt reverses in the field without pulling the lock out of the door. The auxiliary deadlocking bolt is non-handed too. You still pick RHR or LHR when you order, but a wrong call on site is a screwdriver fix, not a return.
3) What trim functions can I get on the Von Duprin 88 Series mortise device, and can I change function later?
Eleven functions: exit only, night latch, knob, lever, thumb piece, dummy trim, and the blank escutcheon and dummy trim variants of knob, lever and thumbpiece. Field selection of functions comes standard, and TP and K can be switched on site by turning down a set screw in the mortise lock body, so a school or office standardizing across openings can stock one device and set it at the door.
4) Will the Von Duprin 8875 meet a Grade 1 spec on my drawing for a hospital or school corridor?
Yes on grade: the 8875-3FT is certified to ANSI/BHMA A156.3, 2008 Grade 1 and UL listed under ANSI/UL 305 for accident hazard installations. What it will not satisfy is a fire-rated opening, since the device carries no fire rating. Read the door schedule: Grade 1 exit hardware on a non-labeled corridor or exterior door is this device's job.
5) Will the 3/4 inch latch on this exit device catch in the strike that's already in my frame?
The 7500 mortise lock throws a 3/4 inch (19 mm) anti-friction latch bolt into a standard mortise strike, and the faceplate bevel is adjustable, which is what lets it seat against frames that aren't dead square. There's also a non-handed auxiliary bolt that deadlocks the latch once the door is closed. If your frame is prepped for an existing mortise lock strike and the door is a 1-3/4 inch hollow metal leaf with an 86 cutout, that's the prep this device is built to.
6) What is a wide stile mortise exit device equivalent to the Von Duprin 8875 for a fire-rated opening?
The Von Duprin 8875-3FT is not fire rated, so a fire-rated opening needs a different device. The Adams Rite 3300 Series is a fire-rated wide stile mortise exit device for wood and hollow metal doors, and the Corbin Russwin ED5600AL is a Grade 1 3 hour fire rated wide stile mortise exit device for 1-3/4 inch doors. Both carry Grade 1 like the 8875, so the performance grade on the drawing is held either way.
7) The Von Duprin 8875 will not fit an aluminum storefront stile. What mortise exit device should be used instead?
The 8875-3FT is a wide stile device and is not for wood doors. For an aluminum storefront door, the Adams Rite 8400 Series is a narrow stile mortise exit device made for aluminum doors, and the Sargent 8304 is a narrow stile mortise exit device in night latch function. Both are Grade 1.
8) Why choose a mortise exit device over a rim device on a commercial door?
A mortise device puts the latch inside a lock body pocketed into the door edge, so it throws a 3/4 inch anti-friction latch into a frame strike and takes standard mortise trim, knob, lever, or thumbpiece, on the outside. It's the choice on a single door or the active leaf of a pair where you want a concealed latch and a full trim range. A rim device surface mounts and is quicker to install; a surface vertical rod is what you use to latch a pair with no mullion, since a mortise device latches only at the jamb.
9) How do I hold the door in push/pull during business hours with a Von Duprin 8875?
Hex key dogging is standard on the 8875-3FT. Drop the latchbolt into the retracted position with the hex key in the morning and the door pushes free both ways; release it at close. That's mechanical dogging, which is only allowed because this device is not fire rated. If you need it switched from an access control panel or dropped by the fire alarm instead, that's the E8875 electric locking option.
10) Where does the crossbar sit on the door, and can a 36 inch device be cut down?
Device centerline is 39-13/16 inches off the floor, which is what you lay out to before you drill. The 36 inch crossbar is field sizeable, so a 3 foot device covers narrower single doors as well as each leaf of a pair without a special order.
11) Can I tie the Von Duprin 88 Series exit device into my access control or alarm system?
Two separate options do two different jobs. RX is a request-to-exit switch in the device: push the bar and it signals your monitoring panel, so you know the door was used from the inside without alarming it. E8875 is electric locking or unlocking, which lets an access control system, fire alarm, or remote switching station control the outside trim. Order RX if you only need to monitor, E8875 if you need to control.
12) What else do I need to buy to install a Von Duprin 8875 mortise exit device?
All necessary mounting fasteners come with the device, and the 7500 mortise lock is integral, so there's no separate lock body to source. What you do specify at order time is the trim function, exit only, night latch, knob, lever or thumbpiece, and for lever trim the lever style. Choose the function on the order form, not after the box arrives. Compare that to the Corbin Russwin ED5600AL, where the classroom or passage lever trim is not included with the device.
13) What is a simpler exit-only mortise device than the Von Duprin 8875 when no outside trim is needed?
The 8875-3FT is ordered with a trim function, and EO covers exit only. If a device with no trim at all is preferred, the Falcon 25-M-EO is a 36 inch wide stile mortise exit device in exit only function for 1-3/4 inch doors, the BEST Precision 2301 is an exit only mortise device with heavy wrought construction, and the Detex 30 Series Advantex is a Grade 1 wide stile mortise device supplied device only, exit only. The Falcon and Detex are both Grade 1, matching the 8875.
14) What is the closest cross-brand match to a Von Duprin 8875 with night latch trim?
NL night latch is one of the trim functions the 8875-3FT is built in. The Sargent 8904 is a wide stile mortise exit device in night latch function with 24VAC/DC operation, which is the nearest same-stile match; the Sargent 8304 is night latch as well but narrow stile, so it suits an aluminum door rather than the hollow metal openings the 8875 is fitted to. Both are Grade 1.
15) Is a Sargent 810 a substitute for a Von Duprin 8875 dummy trim device?
No. The 8875-3FT is a complete mortise exit device that can be ordered with DT dummy trim, meaning the device plus a non-operating outside trim. The Sargent 810 is exit device trim only, a dummy pull, with no device behind it. It can dress an inactive leaf but it does not latch or provide egress, so it does not replace an 8875.
16) Does a Sargent 1256NB-8710G vertical rod device do the same job as a Von Duprin 8875?
They latch differently. The 8875-3FT is a mortise device with a 3/4 inch latch throw into the frame at a single point on a wide stile door. The Sargent 1256NB-8710G is a Grade 1 narrow stile surface mount vertical rod device, 84 inch, with electric latch retraction, latching top and bottom rather than into the jamb. Vertical rod suits a pair with no mullion; the mortise 8875 is for an opening prepped for a mortise lock case.
17) Which mortise exit device accepts classroom lever trim as an alternative to a Von Duprin 8875 with lever trim?
The 8875-3FT is ordered with L lever trim and the lever style selected from 01, 02, 03, 06, 07 or 17. The Corbin Russwin ED5600AL is a Grade 1 wide stile mortise device for 1-3/4 inch doors that accepts passage or classroom lever trim, with the trim ordered separately rather than built into the device order.
18) If a facility is standardizing on Grade 1 mortise exit devices for 36 inch hollow metal doors, which options match the Von Duprin 8875?
The 8875-3FT is a 36 inch Grade 1 wide stile mortise device for 1-3/4 inch doors. The Falcon 25-M-EO is also a 36 inch Grade 1 wide stile mortise device for 1-3/4 inch doors in exit only function, and the Detex 30 Series Advantex is a Grade 1 wide stile mortise device, device only, not for wood doors. The 8875 differs in offering trim functions from dummy through knob, lever, thumb piece and night latch on the same device.
19) What is the knurled crossbar option on an exit device for?
KN knurling is a tactile warning. A raised texture on the crossbar tells someone by feel that the door leads somewhere hazardous, stairs, a loading platform, a boiler room, before they push through. Order it where code or your safety officer calls for tactile marking. The other two crossbar choices are standard and RCB reinforced.
20) Can I match a Von Duprin 88 Series exit device to the finishes already on my building's doors?
Nine finishes: 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil rubbed bronze, 619 satin nickel, 625 bright chrome, 626 satin chrome, 643E aged bronze, and 693 black. If you're refreshing a lobby run where the existing hardware is 626 satin chrome or 613 oil rubbed bronze, the device matches without a custom order. Lever trim adds a shape choice on top: 06 is standard, with 01, 02, 03, 07 and 17 also offered.
21) What replaces a Von Duprin 8875 with the RX switch when electrified monitoring is required?
The 8875-3FT can be ordered with an RX request to exit switch. Among wide stile mortise peers, the Sargent 8904 is a night latch device with 24VAC/DC operation, and for an electrified latch retraction approach the Sargent 1256NB-8710G is a Grade 1 surface vertical rod device with electric latch retraction, though it is narrow stile and vertical rod rather than mortise.
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Does the Von Duprin 8875EO US26D-3 come with a warranty?
Absolutely. The Von Duprin 8875EO US26D-3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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