Von Duprin QEL9947EO LBR | Grade 1 Concealed Vertical Rod Less Bottom Rod Exit Device For Metal Doors with Quiet Electric Latch Retraction, Grooved Mechanism Case
The Von Duprin QEL9947EO LBR is a Concealed Vertical Rod Less Bottom Rod exit device featuring Quiet Electric Latch Retraction. The Quiet Electric Latch Retraction feature can retract a latchbolt momentarily or on an extended, scheduled basis via access control system. The QEL is best suited in places where ambient nosie is disruptive. Such places can be hospitals, libraries, museums, theaters etc. Some of the features of this exit device are -
- The Von Duprin QEL9947 CVR LBR is certified to ANSI/BHMA A156.3 2014, Grade 1.
- The Von Duprin 9947 CVR LBR with QEL is available in many different high quality finishes.
- The Von Duprin 99 series concealed vertical rod less bottom rod with quiet electric latch retraction is available for different door sizes.
- The Von Duprin QEL9947 concealed vertical rod less bottom rod device can be installed on single and double metal doors.
- Various durable and aesthetically appealing exit trims are available for purchase with this Von Duprin QEL9947 LBR concealed vertical rod less bottom rod with quiet latch retraction exit device. Please see our Von Duprin 98/99 Series Exit Trim Product Information Guide below for more information.
Von Duprin 98/99 Series Exit Trim Product Information Guide
| Part # (Click link below to view Part) | Image | Works with Exit Device | ANSI Function | Function Description |
|---|---|---|---|---|
| 990DT - Dummy Trim |
|
98/99 Rim/Rim-F XP98/XP99 Rim/Rim-F 98/9927/27-F 98/9947/47-F 98/9947WDC/WDC-F 98/9948/48-F 98/9949/49-F 98/9950WDC/50WDC-F 98/9957/57-F 98/9975/75-F |
02 | Pull when dogged |
| 990NL - Night latch |
|
03 | Key retracts latch bolt | |
| 990TP - Thumbpiece |
|
05 | Key locks and unlocks | |
| 990TP-BE - Thumbpiece blank escutcheon |
|
15 | Always operable, no cylinder | |
| 996K - Knob |
|
08 | Key locks and unlocks | |
| 996K-NL - Knob-night latch |
|
03 | Key retracts latch bolt | |
| 996K-BE - Knob-blank escutcheon |
|
14 | Always operable, no cylinder | |
| 996K-DT - Knob-Dummy Trim |
|
02 | Pull when dogged | |
| 996L - Lever |
|
08 | Key locks and unlocks | |
| 996L-NL - Lever-night latch |
|
03 | Key retracts latch bolt | |
| 996L-BE - Lever-blank escutcheon |
|
14 | Always operable, no cylinder | |
| 996L-DT - Lever-Dummy Trim |
|
02 | Pull when dogged | |
| 110NL-MD/110NL-WD - Night Latch Cylinder Assembly | ![]() |
03 | Key retracts latch bolt | |
| 252L - Lever | ![]() |
Von Duprin 9852/9952 | 08 | Key locks and unlocks |
| 252L-BE - Lever - blank escutcheon | ![]() |
14 | Always operable, no cylinder | |
| Optional Trims For 98/99 Series Exit Devices | ||||
| 696DT - Dummy Trim | ![]() |
98/99 Rim/Rim-F XP98/XP99 Rim/Rim-F 98/9927/27-F 98/9947/47-F 98/9947WDC/WDC-F 98/9948/48-F 98/9949/49-F 98/9950WDC/50WDC-F 98/9957/57-F 98/9975/75-F |
02 | Pull when dogged |
| 696NL - Night latch | ![]() |
03 | Key retracts latch bolt | |
| 696TP - Thumbpiece | ![]() |
05 | Key locks and unlocks | |
| 696TP-BE - Thumbpiece blank escutcheon | ![]() |
15 | Always operable, no cylinder | |
| 697DT - Dummy Trim | ![]() |
02 | Pull when dogged | |
| 697NL - Night latch | ![]() |
03 | Key retracts latch bolt | |
| 697TP - Thumbpiece | ![]() |
05 | Key locks and unlocks | |
| 697TP-BE - Thumbpiece blank escutcheon | ![]() |
15 | Always operable, no cylinder | |
Specifications of Von Duprin QEL9947EO LBR Concealed Vertical Rod Less Bottom Rod Exit Device with Quiet Electric Latch Retraction
Device functions
EO - Exit Only
Device lengths
2' 2' (610 mm) Door size
3' 2'4' to 3' (711mm to 914mm) Door size
4' 2'10" to 4' (864mm to 1219mm) Door size
Device centerline from finished floor
39 5⁄8" (1006 mm) Standard; Adjustable from 35 5⁄8" (905mm) to 49 5⁄8" (1260mm)
Center case
8" x 2 3⁄4" x2 3⁄8" (203mm x 70mm x 60mm)
Mechanism case
2 1 ⁄4" x 2 1 ⁄4" (57mm x 57mm)
Projection
Pushbar neutral – 3 13/16" (97mm)
Pushbar depressed – 3 1/16" (78mm)
Latch bolt
Deadlocking top and bottom bolt, 5⁄8" (16mm) throw
Door undercut
1 ⁄4" (7mm) recommended
Top and bottom latch case
4 1 ⁄2" x 2 1 ⁄8" x 1 1 ⁄2" (114mm x 54mm x 38mm)
Vertical Rods
Round 2-piece adjustable rods – Top rod adjustable from 6'8" (2027mm) to 8'4"(2533mm). Bottom rod adjustable 35 5⁄8" (905mm) to 49 5⁄8" (1260mm). Extension rod kits available for doors over 8'4" (2533mm).
Finishes
605, 606, 612, 625, 626/626AM, 628, 710, 711 and 643e
Fasteners and sex bolts (SNB)
Includes screw pack for 1 3⁄4" (44mm) to 2 1 ⁄4" (57mm) thick metal doors (Optional 425 SNB available - Please fill out a quote request form for this)
Features of Von Duprin 9947 CVR LBR exit device with QEL
Electrified options
LX Latch bolt monitor switch
RX Request to exit
RX2 Double request to exit
E Electric locking and unlocking 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
PL Pullman latch
PN Pneumatic latch retraction
SNB Sex bolts
SEC Security screws
WH Weep holes
Dogging feature
Hex key dogging standard
Dogging options
CD Cylinder dogging
CD-CX Chexit cylinder dogging
CDSI Cylinder dogging with security indicator
HDSI Hex dogging with security indicator
SD Special center case dogging
LD Less dogging
DI Dogging indicator
CI Cylinder dogging indicator
Please fill out a Quote Request Form, if you do not see an option listed.
Strikes
Top: 338 – Unfinished
Bottom: – 385A – Unfinished
- Option:Choose Finish (Click here to see our Detailed Door Hardware Finish Guide):
- https://blog.locksandsafes.com/2020/07/28/lock-and-door-hardware-finishes/





















