Specifications

6 • Von Duprin 98/99 Series
Popular double door applications
Mortise lock and surface mounted or
concealed vertical cable/rod device
combination—same direction
Single mortise
lock device
Single door applications
Door handing
Two surface mounted vertical rod
devices—same direction (do not use
with overlapping astragal)
Two rim devices with mullion—
same direction
Single rim device
Two fire exit hardware vertical
cables/rods with auxilary fire
latch-LBR option
Two vertical rods—double egress
Two concealed vertical cables/rods
Left Hand-Reverse
Orientation
LHR
(Left hand reverse)
RHR
(Right hand reverse)
Outside
Right Hand-Reverse
Orientation
Le hand-reverse
orientation
Right hand-reverse
orientation
(Le hand-reverse) (Right hand-reverse)
Outside
Double door applications
Trim operation lever or knob
996L Breakaway
™
lever
Standard Blank escutcheonNight latch Dummy
Key locks and unlocks lever or knob. e.g.,
996L (Classroom)
Lever or knob always active. Use BE
sux, e.g., 996L-BE. (Passage)
Key retracts latch bolt. Lever or knob
is rigid. Use NL sux, e.g. 996LNL.
(Storeroom)
Lever or knob rigid for pull
operation. Use DT sux, e.g.,
996L-DT.
374T/376T Series thumbturn control
Standard operation, key locks and
unlocks thumbturn. Optional operation,
key unlocks thumbturn, re-locks when
key is removed. This operation is
created by changing the cylinder plate
included with control. Use 1
1
/4" mortise
cylinder with a straight cam. Schlage
cam reference B502-191. Use with a pull
trim (990DT pictured).
Outside trim operation
The 996L Breakaway trim has become the
standard lever trim offering on the
98L/99L Series devices. The Breakaway
design is especially effective in areas
where vandalism to door hardware is a
problem. The design intent is to discourage
costly repairs from becoming necessary.
The Breakaway feature is not available on
the NL (night-latch) or DT (dummy trim)
versions.