Positive Mechanical Stop

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Positive Mechanical Stop
Power Boost is a positive latching feature that increases the latch force, to over come building stack pressure or door weather stripping, etc, if the door stops before coming completely closed. T...
Panic Hardware and Fire Exit Hardware are two different types of exit devices, and the proper selection is determined by code requirements. Panic Hardware is an exit device which is tested for u...
The most obvious difference (in the device) is the lack of mechanical dogging on a Fire Rated Device.  There are some internal parts that may be different and the method it is secured to the d...
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...
No, steel stiffeners are not required in Hollow Metal doors, they are one of many optional core available. Per ANSI/SDI A250.8 and ANSI/HMMA 867, core construction are optional o...
The wires on 6000 series electric strike solenoid are non polarized.