Specifications

22 • Von Duprin 98/99 Series
9857-F/9957-F Three-point latching re exit device
9857-F/9957-F Fire exit three-point latching device for all types of single doors up to 4' x 8'
(1219mm x 2438mm) or up to 8' x 8'(2438mm x 2438mm) double doors with 9954 or 9854
mullion, UL listed for fire exit hardware. See page 72 for detailed information on UL listed fire exit
hardware label and door opening size information. Devices are ANSI A156.3 – 2001 Grade 1. The
9857-F device has a smooth mechanism case and the 9957-F device has a grooved case. The
three-point latch device is non-handed except when the following device option is used:
SS (signal switch). See opposite page for available outside trim and device functions. Vertical
rod and latch guards are available to protect the bottom rod of the exit device from damage by
impacts of carts or gurneys passing through doors.
Finishes – US3, US3A, US4, US4A, US10, US26, US26D, US26D-AM Antimicrobial, US28, 313,
315 & 643E. US15 and US32D available with 98 Series only.
Specifications
Device functions
Device ships EO/DT/NL. Field selectable. For TP, K or L remove
NL drive screw from device.
Device lengths
3' 2'4' to 3' (711mm to 914 mm) Door size
4' 2'10" to 4' (864 mm to 1219 mm) Door size
Device centerline
from finished floor
39
13
/16" (1011 mm)
Center case
dimensions
8" x 2
3
/4" x2
3
/8" (203mm x 70mm x 60mm)
Mechanism case
dimensions
2
1
/4" x 2
1
/4" (57mm x 57mm)
Projection
Pushbar neutral – 3
13
/16" (97 mm)
Pushbar depressed – 3
1
/16" (78 mm)
Latch bolt
Deadlocking anti-friction top & bottom bolt,
5
/8" (16mm) throw
Deadlocking rim bolt,
3
/4" (19mm) throw
Door undercut
1
/4" (7mm) recommended
Top & bottom
Latch case
4
1
/2" x 2
1
/8" x 1
1
/2" (114mm x 54mm x 38mm)
Vertical rods
1
/2" square tubing, standard rods accommodate 7' (2134mm)
doors. Top rod length: 34
15
/16" (887mm); Bottom rod length:
31
1
/2" (794mm) Extension rods available in 1' (205mm) or 3'
(914mm) for doors over 7'. One piece top rod is available for 8'
(2438mm) and 10' (3048mm) doors.
Fasteners & sex
bolts (SNB)
Includes screw pack for 1
3
/4" (44mm) and 2
1
/4" (57mm) thick
metal or wood doors, and 325 SNB for top and bottom latch.
Optional 425 SNB available for metal doors. 425 SNB required
on wood doors without SLM blocking.
Electric options
LX Latchbolt monitor switch
RX Pushpad monitor switch
RX2 Double pushpad monitor switch
E Electric unlocking and locking trim
EL Electric latch retraction
QEL Quiet electric latch retraction
SS Signal switch
CX Chexit delayed exit
ALK Alarm exit kit
WP-RX Waterproof request to exit
CON Allegion Connect
Mechanical
options
GBK Glass bead kit
PN Pneumatic latch retraction
SNB Sex bolts
SEC Security screws
SLM Special laminate material blocking
Dogging option
No mechanical dogging. EL and QEL option available
Strikes
Top & middle – 299 - Dull black
Bottom – 304L - Unfinished
299 Top & middle
strike
304L
Bottom strike
Top latch
Bottom latch
499F Rim Strike
for Mullion
Applications
9857-F/9957-F Three-point latching re exit device
ALK
Alarm exit kit
• Unauthorized
opening triggers
85-decibel horn
• Set in armed or
disarmed mode
by key
RX
Pushpad monitor
switch
• Signals use of an
opening
• SPDT switch to
monitor pushpad
EL
Electric latch
retraction
• Enables remote
unlatching
• Alternative to
manual dogging
PN
Pneumatic latch
retraction
• For areas where
electrical devices
banned
• Special linkage
for mechanical or
pneumatic
dogging
RG
Rod guard
• Protection from
carts/gurneys
• Eases wheelchair
access
E (E996L)
Electrified
breakaway lever
• Electried remote
locking/unlocking
• Standard in fail
safe condition
LX
Latchbolt monitor
switch
• Signals use of an
opening
• SPDT switch to
monitor latch bolt
QEL
Quiet electric
latch retraction
• Bolt retraction via
switch
• Converts exit
door to push-pull
operation
CX
Chexit delayed
exit
• Meets NFPA 101
requirements
• Self-contained
controls, locking,
alarm
CON
Allegion
Connectors
• Common
connectors to
connect various
door hardware all
the way to the
power supply