Von Duprin 8875EO-F Fire Rated Mortise Lock Cross Bar Exit Device 88 Series

by Von Duprin
$ 1,998.88

Von Duprin 8875-F Fire Rated mortise lock devices for all types of single or double doors, UL listed for accident hazard installations. Fits stock hollow metal doors with 86 cutouts and door stiles as narrow as 4 3/4" (121mm).

The 8875 mortise lock is equipped with a 3/4" (19mm) anti-friction latch bolt which is field reversible without removing the lock from the door. It has a nonhanded auxiliary bolt for deadlockiing and a faceplace with an adjustable bevel. Field selection of functions are furnished standard. TP, K or L function may be field selected by removing a set screw. Electric locking or unlocking options are available..


  • Field sizeable
  • 3/4" (19mm) throw latch bolt
  • Latch bolt deadlocking
  • Five popular finishes
  • Hex key dogging



Crossbar height to finished floor
Latch bolt height to finished floor
36 13/16" (935mm) at center
40 3/32" (1018mm) at center
Crossbar projection-
4 7/8" (124mm)
4" (102mm)
Crossbar length 42" (1067mm) field sizeable
Lock stile case 8 1/4" x 2" x 15/16" (210mm x 51mm x 24mm)
Hinge stile case 6" x 1 3/4" x 15/16" (152mm x 44mm x 24mm)
Crossbar tubing 1" (25mm)
Lock case 4 5/8" x 5 3/4" x 1 3/16" (117mm x 146mm x 46mm)
Face plate 1 1/4" x 8" x 7/32" (32mm x 203mm x 6mm)
Cylinder backset 2 3/4" (70mm)