There is potential for ND40/ND44's manufactured around March 2011 to remain locked after egress, or after the latch is depressed. There was an issue with the keycam that created a bind when l...
The Von Duprin 6000 series electric strike has a 12 or 24VDC solenoid with plunger, spring and impact washer as shown 6000 solenoid
Make sure the solenoid spring and impact washer are not missin...
Delayed egress hardware prevents a door from being opened from the egress side, usually for a period of 15 seconds. This type of device is often used to prevent theft, while maintaining life safe...
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...