Specifications

Helpful Terms
ED5000.53
ED5000 Series Pushpad Exit Devices
Abrasive Coat
Hard granular material applied to
provide a non-slip tactile surface for
the visually impaired.
Active Door
In a pair of doors, the door that is
operable from the trim side.
Astragal
A vertical member applied to one or
both sides of a pair of doors at the
meeting edges. The astragal closes
the gap between the two doors.
Coordinator
A device used on a pair of doors to
ensure that the inactive door closes
before the active door.
Deadlocking Latch
A supplemental latch that
automatically deadlocks the latchbolt
when pressure is applied to it.
Dogging
A mechanism that allows the latchbolt
to remain retracted, permitting the
door to operate as if it were a push-
pull; it cannot be used on fire-rated
exit devices.
Double Egress
A pair of doors of the same hand that
swing in opposite directions,
commonly found in corridors.
Dummy Trim
Trim only. Usually used on the
inactive door of a pair of doors for
design balance.
Exit Device (Panic Hardware)
A door locking device with a pushpad
or crossbar which, when pressed,
allows instant exit (egress).
Fire Exit Hardware
An exit device listed by an
independent testing laboratory as
meeting panic, fire and hose stream
test standards; used on fire-rated
openings.
Hand
The direction a door swings.
Inactive Door
In a pair of doors, the door that is
inoperable from the trim side.
Latchbolt
A lock component that has a beveled
end and projects into a strike,
holding the door in a closed position.
Mullion
A fixed or removable vertical member
that divides a door opening and
provides a latch surface for a pair of
rim exit devices.
Open Back Strike
For mortise exit devices, used on the
inactive door (usually the vertical rod
door) of a pair of doors that swing in
the same direction. It permits the
inactive door to open or close
independently.
Reversible
Pertains to a product that may be
changed in the field to accommodate
any hand of the door.
Shim Kit
Pieces of metal that permit mounting
of an exit device on a door that has a
surface projecting vision light (glass
bead) molding.
Split Astragal
An astragal that is split through the
middle on a pair of doors, allowing
both doors to operate independently.
Threshold
A strip fastened to the floor beneath a
door. It serves as a stop, prevents heat
loss, and provides a strike location for
latching the bottom rod of a vertical
rod exit device.
Trim
A knob, lever, pull, or thumbpiece
used on the outside of an exit device
door to control access to an area.
Universal Exit Device
An exit device that may be used on
doors of either hand without any
modifications.
Keying and Cylinder Terms
Blockout Cylinder
A cylinder which allows all keys to be
temporarily blocked from operating.
It is set by a blockout key.
Concealed Key Control (CKC)
The marking of standard key symbols
on a cylinder in a location that is not
visible once the cylinder is installed.
Construction Master Keying (CMK)
A cylinder preparation that allows
temporary access by construction
personnel.
Control Key
A key used to remove and install
interchangeable cores.
Cylinder
A lock component containing the
combination that determines which
keys will operate.
Security Cylinder
A cylinder which provides extra
resistance to picking and
unauthorized duplication of keys.
Interchangeable Core (IC)
A cylinder which can be removed and
installed quickly with a control key by
non-skilled personnel when rekeying
is required.
Key Symbol
A letter/number combination in
standard industry format (e.g., 1AA,
AA1, etc.) which indicates exactly how
a key or cylinder fits into a keying
system.
Keyway
The opening in a cylinder plug
through which the key enters.
Master Keying
Preparation of a cylinder to operate
with keys of different levels of access.
Visual Key Control (VKC)
The marking of standard key symbols
on keys and on the visible portion of
the front of a cylinder.