Specifications

69
Von Duprin 98/99 Series • 69
98/99 Device options & accessories
Device options & accessories
Removable mullions Keyed removable steel mullions
Mullions
Removable steel mullions provide single door
performance in double door openings with rim devices.
Mullions are easily removed by loosening bottom set screw
and removing top fitting cover. The top mullion fitting is
attached to the frame and is concealed by the fitting cover.
Steel mullions are 2" (51mm) wide and 3" (76mm) deep, with
a wall thickness of
1
/8" (3mm).
Mullions are shipped with mounting screws and prepared for
strikes. Strikes are not included except where indicated.
Steel mullions are available in SP28 and SP313 finishes.
Consult factory for other powder coat finish options.
KR – Keyed removable steel mullions make removal faster
and easier by a single operation of the mortise cylinder. Once
mullion is removed, large equipment or furniture can freely
pass through the opening. The unit will self lock when re-
installed, without the use of the cylinder key. Uses a 1
1
/4"
mortise cylinder with a straight cam (Schlage cam reference
B502-191). Cylinders are sold separately. Prefix mullion model
with “KR”.
Removable aluminum mullions are 1
1
/16" (27mm) wide on face
closest to the door and 2
3
/8" (60mm) at the widest point. The
depth is 3
1
/8" (79mm) with a wall thickness of
1
/8" (3mm).
Aluminum mullions are available in US4, US10, US28, 313 and
315 finishes. Consult factory for other powder coat finish
options. Aluminum mullion are not available keyed removable.
Stock hollow metal applications for devices mounted to cover
ANSI 161 cutouts are higher than the standard mullion strike
location. Consult the factory for special strike preparation or
order a blank mullion. See below.
Blank mullions are furnished without strike preparation. They
are used to mount devices at a strike height different from the
standard mullion preparation.
To order, specify:
1. For keyed Removable option on steel mullions, prefix
model number with “KR”
2. Model number
3. Height of opening
4. Finish
5. Handing if required
6. Centerline deviation (refer to device template for standard
centerline)
7. Strikes, when required, should be ordered with device
Steel mullions
1654 Prepared for two 1606 strikes. If 1606 strikes are not
specified on the order, two per mullion will be added.
Additional charges apply.
4954 Prepared for 264 or 299 strikes. For use with all Von
Duprin Panic rim devices.
9954 Prepared for and must be used with two 268 strikes
(88-F device), or two 499F (22-F, 98-F, 99F devices).
UL fire labeled mullion for
up to 3 hour opening using
Von Duprin fire exit rim
devices. This mullion is not
easily removed due to
special fittings.
98-F and 99-F devices are
rated up to 10'0" (3048
mm).
Note: If 268 or 499F strikes are not specified on the
order, two per mullion will be added. Additional
charges apply.
4754 Prepared for two 4263
monitor strikes.
4854 Prepared for one 299 and
one 6111 electric strike.
Indicate handing for electric
strike.
9854 Prepared for one 268 or
499F strike and one 6111
electric strike. Indicate
handing for electric strike. UL fire labelled mullion for up
to 3 hour openings up to 8' x 8' (2438mm x 2438mm)
using Von Duprin fire exit rim devices