Classroom function is used for exactly what you would think a classroom.
Classroom function door hardware.
Refer to specific manufacture data prior to specifying types.
What does classroom functions mean.
Night latch nl key retracts the latch momentarily to allow entry.
Manufacturers may use various terminology but these are standard terms.
The function or mechanical behavior of a lock especially a mortise or cylindrical lever lock should be specified for an opening.
54 may 2015 doors hardware.
These are classified into more than 20 types using codes developed by door hardware group bhma.
Classroom doors during a lockdown event.
Door hardware function the following list shows different door lockset functions.
Classroom function acts like vestibule.
This function was originally designed for schools to prevent students from tampering with the lock but most new schools have classroom security locks office function locks or electrified locks.
There is no button on the inside like there is for the entrance lock function.
A classroom lock function is obviously used most often on classroom doors.
This is something i don t see covered much on this blog i mainly see the classroom function levers but when you have high occupancy or hazard rooms you need panics.
The outside lever is locked or unlocked with a key.
On doors with panic hardware there is a turn knob on the inside to lock or unlock the outside handle or dog undog the latch.
A classroom function deadlock is often used with push pull hardware on entrance doors to multi stall bathrooms and i ve had several code officials question their use over the years.
The lock can be left in the locked or unlocked state by using the key and there is no means of locking or unlocking the door from the inside.
Understanding lock functions determining which lock function is appropriate for which door can.
Fortunately the vast majority of locks specified.
However it does have the ability to be left unlock but only with a key.
Difference between ansi and bhma.
When key is removed the latch will extend and locks the door momentary unlock.
Different lock functions.
In all cases once i explained how the lock worked the code official allowed the application.
Different lock functions.
Are storeroom function locks allowed on fire exit doors.
Much like to the storeroom function lockset this lock does not have a button on the inside.
Classroom lock vs office lock function.
How functions are typically specified.
The inside lever is always free to operate the latch bolt for egress.
Classroom functions in detail.