Von Duprin 880K-BE-M Knob, Blank Escutcheon Trim for 88 Series Exit Devices - Mortise Device

Von Duprin 88 Series Exit Device & Trim Options

The Von Duprin 88 Series is a timeless crossbar-style exit device, designed to deliver both functionality and a classic aesthetic. As a wide stile device, it is ideal for facilities seeking traditional appeal without compromising on performance or code compliance.

Features & Benefits:

• Compatible with several surface-mounted vertical rod and rim applications

• Offered in 3’ and 4’ lengths, field sizeable to suit single and double door configurations

• Ideal for installations prioritizing a classic or historic design theme

• Built for versatility, available in rim, panic, and fire-rated models

• Device types include:

  • 27: Surface-mounted vertical rods

  • 47: Concealed vertical rods

  • 75: Mortise locks

• Fire-rated versions available by appending “-F” to the model number

Trim Options for 88 Series Exit Devices:

• 880DT – Dummy Trim
  Pull when device is dogged
  Non-functioning trim for pull applications
  Compatible with 88 Series devices

• 880K – Knob Trim
  Key locks and unlocks knob
  Provides secure entry control
  Compatible with 88 Series devices

• 880NL – Night Latch Trim
  Key retracts latch bolt
  Enables secure locking/unlocking functionality
  Compatible with 88 Series devices

• 880TP – Thumbpiece Trim
  Key locks and unlocks thumbpiece
  Classic design for traditional applications
  Compatible with 88 Series devices

• 880K-R/V/M – Specialty Knob Trim Options
  Variations include R (Rim), V (Vertical rod), and M (Mortise) compatibility
  Key locks knob for access control
  Designed specifically for 88 Series devices

Classic Performance, Trusted Durability
With its strong architectural presence and proven reliability, the Von Duprin 88 Series is the preferred choice for buildings seeking to maintain a traditional appearance without sacrificing safety, security, or code compliance.