Von Duprin 880K Knob Function ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$507.00
$385.42
Von Duprin 880K Knob Function, Trim for 88 Series Exit Devices

Von Duprin 880K Knob Function Exit Device Trim for 88 Series, Heavy Duty Grade 1, Non-Handed

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Model: 880K-R 26D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$507.00
$385.42
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Von Duprin 880K Knob Function Exit Device Trim for 88 Series, Heavy Duty Grade 1, Non-Handed

Commercial-Grade Knob Trim for 88 Series Wide Style Exit Devices

The Von Duprin 880K is a heavy-duty, Grade 1 knob function exit device trim designed exclusively for the Von Duprin 88 Series wide style cross bar exit devices. Constructed from heavy 10 gauge (2.4 mm) brass, bronze, or stainless steel, this non-handed trim delivers exceptional durability and flexibility for commercial door applications. Compatible with Rim, Surface Mounted Vertical Rod, Concealed Vertical Rod, and Mortise configurations, the 880K supports both panic and fire rated applications across the full 88 Series product line. A product projection of 2 3/4" (70 mm) ensures consistent, ergonomic operation in high-traffic environments.

Professional Features & Benefits

  • Heavy-Duty Construction: Fabricated from heavy 10 gauge (2.4 mm) brass, bronze, or stainless steel for long-lasting performance in demanding commercial environments.
  • Grade 1 Duty Level: Rated Grade 1 Heavy Duty, meeting the highest standards for commercial door hardware reliability and longevity.
  • Non-Handed Design: Universal non-handed configuration simplifies specification, ordering, and installation without the need to determine door handing.
  • Broad Configuration Compatibility: Designed for use with 88 Series Rim, Surface Mounted Vertical Rod, Concealed Vertical Rod, and Mortise exit device configurations for maximum versatility.
  • Panic and Fire Rated Applications: Suitable for both panic and fire rated door applications, supporting code-compliant installations across a wide range of building types.
  • Flexible Trim Family: Part of the 880 Series trim line, which includes 880DT, 880K, 880NL, and 880TP functions, plus the optional 880EO exit only trim plate (order with exit device as 88EOx880EO).
  • Precise Centerline Dimensions: Rim centerline: A 39 13/16" (1011 mm) / B 36 13/16" (935 mm); Mortise Lock centerline: A 39 13/16" (1011 mm) / B 38 9/16" (979 mm); Surface Mounted Vertical Rod centerline: A 39 13/16" (1011 mm) / B 38 5/16" (973 mm).
  • Consistent Product Projection: 2 3/4" (70 mm) projection provides ergonomic knob placement for smooth, reliable egress operation.

Technical Specifications

  • Subcategory: Exit Device Trim
  • Series: 88 Exit Trim
  • Grade: Grade 1
  • Duty Level: Heavy Duty
  • Compatibilty: 88 Series Exit Devices
  • Product Group: Exit Devices and Trim
  • Product Subgroup: Exit Device Trim
  • Product Type: Exit Device Trim
  • Commercial/Residential: Commercial
  • Rim Center Line: A 39 13/16 (1011 mm) B 36 13/16 (935 mm)
  • Mortise Lock Center Line: A 39 13/16 (1011 mm) B 38 9/16 (979 mm)
  • Surface Mounted Vertical Rod Center Line: A 39 13/16 (1011 mm) B 38 5/16 (973 mm)
  • Product Model: 880K
  • Product Function: Knob
  • Door Hand Direction: Non-Handed
  • Product Projection: 2 3/4" (70 mm)
  • 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 exit device trim products are engineered to the highest commercial standards, with the 880K constructed from heavy 10 gauge (2.4 mm) brass, bronze, or stainless steel and rated Grade 1 Heavy Duty for dependable performance in the most demanding applications. The non-handed, flexible design of the 88 Series trim family ensures straightforward specification and installation across Rim, Mortise, and Vertical Rod configurations. Engineered for commercial environments where code compliance, durability, and reliable egress are essential.

Manufacturer Resources

Von Duprin 88 Series Catalog

Product Specs

Subcategory:
Exit Device Trim
Series:
88 Exit Trim
Grade:
Grade 1
Duty Level:
Heavy Duty
Compatibilty:
88 Series Exit Devices
Product Group:
Exit Devices and Trim
Product Subgroup:
Exit Device Trim
Product Type:
Exit Device Trims
Commercial/Residential:
Commercial
Rim Center Line:
A 39 13/16 (1011 mm) B 36 13/16 (935 mm)
Mortise Lock Center Line:
A 39 13/16 (1011 mm) B 38 9/16 (979 mm)
Surface Mounted Vertical Rod Center Line:
A 39 13/16 (1011 mm) B 38 5/16 (973 mm)
Product Model:
880K
Product Function:
Knob
Door Hand Direction:
Non-Handed
Product Projection:
2 3/4" (70 mm)
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 880K-R 26D – Frequently Asked Questions

1) What Von Duprin exit devices is the 880K knob trim compatible with?
The 880K knob trim is designed for Von Duprin 88 series exit devices. It works with 8804, 8810, 8847, and other 88 series models. Verify your exit device model before ordering.
2) How does the knob function work on this trim?
The knob function allows entry from the secure side by turning the knob. This retracts the latchbolt without affecting the exit device operation. Exit is always free by pushing the touchpad.
3) Can I specify handing for the 880K trim?
Yes, the 880K trim requires handing specification. Order LHR (left hand reverse), RHR (right hand reverse), LH (left hand), or RH (right hand) based on your door swing and hinge location.
4) What finishes are available for the 880K knob trim?
Standard finishes include 626 satin chrome, 630 satin stainless steel, and 613 dark oxidized satin bronze. Special finishes may be available on request. Confirm finish availability with your specific model.
5) What door thickness does this trim accommodate?
Standard 880K trim fits 1-3/4" thick doors. Extended options are available for thicker doors up to 2-1/4". Measure door thickness accurately before ordering.
6) Does the 880K trim meet fire door requirements?
When used with listed Von Duprin 88 series exit devices, the 880K trim maintains UL fire rating compliance. Verify complete assembly listings for your specific application and local code requirements.
7) What components are included with the 880K trim?
The 880K includes the knob trim plate, knob assembly, cylinder housing, mounting hardware, and installation template. Cylinder and exit device are sold separately.
8) What preparation is required for installing 880K trim?
Installation requires the exit device to be mounted first. Use the provided template for accurate hole placement. Standard door prep includes cylinder hole and trim mounting holes. Follow Von Duprin installation instructions.
9) Can the knob function be disabled if needed?
The knob function cannot be easily disabled without removing the trim. Consider Von Duprin dogging options or consult with access control integration if temporary function changes are needed.
10) What cylinder type works with the 880K trim?
The 880K accepts standard mortise cylinders. Choose cylinders compatible with your key system. Popular options include Best, Corbin Russwin, and Schlage mortise cylinders.
11) Are there related Von Duprin trim options for 88 series devices?
Yes, Von Duprin offers 880L lever function trim and 880D dummy trim for 88 series devices. Each provides different access control options. Browse our Von Duprin collection for complete trim options.
12) What door weight and width limits apply?
Door capacity depends on the 88 series exit device rating, typically up to 4 feet wide and standard commercial door weights. Heavy doors may require reinforcement. Verify door specifications against device ratings.
How fast can I get the Von Duprin 880K-R 26D 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 880K-R 26D come with a warranty?
Absolutely. The Von Duprin 880K-R 26D 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 880K-R 26D?
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 880K-R 26D 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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