security classroom inside

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Conversion kits are available to convert many popular functions.Conversion kits manufactured on or after January 30, 2017 will have the new enhanced ND spring cage, lever, plunger and buttonCo...
For all available ND Series Conversion Kit part numbers, click here.
Von Duprin offers two options:The CDSI/HDSI Dogging Indicator provides an at-a-glance verification of the status of the door from inside of the room. Visible “LOCKED” and “UNLOCKED” indicators show...
Schlage has conversion kits to convert the classroom L/LV9070 to the classroom security L/LV9071 and the classroom holdback L/LV9076 to the classroom security holdback L/LV9077.  The...
T381 Classroom Security Lock is not a "true" classroom security / Intruder lock function. The T381 is classified as a ANSI/BHMA F88 function: Defined as Grade 1, Apartment, Exit or Public Toil...
Classroom security lock with auxiliary latch - Latchbolt is operated by knob/lever from either side except when outside is locked by key from inside or outside. Deadbolt is retracted by key from i...
Classroom security with deadbolt - Latch bolt operated by knob/lever from either side except when outside knob/lever is locked from inside or outside by key. Dead bolt retracted by key from inside ...
Vestibule/Classroom Security lock - Latch retracted by key from outside when outside knob is locked by key in inside knob. Inside knob is always unlocked.
Apartment Corridor Lock function is defined as a lock where the latch bolt operated by lever from either side, except when outside lever is made inoperative by a stop or mechanical means other than...