Von Duprin QEL3548AEO-F | Grade 1 Fire Rated, Narrow Stile Concealed Vertical Rod Exit Device with Quiet Electric Latch Retraction For Hollow Metal Single and Double Doors, Smooth Mechanism Case
The Von Duprin QEL3548AEO-F is a grade 1, fire rated, narrow stile concealed vertical rod exit device. The Von Duprin QEL3548A is a high quality, heavy duty exit device built for all types of single and double hollow metal doors up to 8' x 10' (2438mm x 2540mm) and can be installed on door stiles as narrow as 3 1/2" (90mm). The device comes with a smooth mechanism case. The device is available for purchase with a number of electrical options such as request to exit (rx), latchbolt monitoring (lm) and exit alarm (ea). The Von Duprin QEL3548 fire cvr comes with quiet electric latch retraction, which adds remote latch retraction capability to the exit device. Quiet latch retraction is an alternative to electric latch retraction and should be used in places where low operational noise is desired, such as hospitals, libraries, theaters and museums.
Looking for an exit device for library? Or a concealed vertical rod exit device for metal door? Or a fire conceale vertical rod exit device for hospitals? Or a fire cvr with remote latch retraction? Then the Von Duprin QEL3548 fire concealed vertical rod might be your answer.
Specifications of Von Duprin QEL3548A-F Fire Concealed Vertical Rod Exit Device with Quiet Electric Latch Retraction
Device lengths
2' 2' (610 mm) door size
3' 2'4' to 3' (660mm to 914mm) Door size
4' 2'8" to 4' (813mm to 1219mm) Door size
Device centerline from finished floor
39 13/16" (1006mm) Standard, adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
Center case
8 3 /16" x 1 9/16" x 2 13/32" (208mm x 40mm x 62mm)
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 anti-friction top and bottom bolt 3/4" (19mm) throw
Deadlocking anti-friction top and bottom bolt 1 1/2" (38mm) throw
Door undercut
3⁄4" (19mm) maximum
Top and bottom latch case
4 1/4" x 1 1/2" x 1 1/8" (108mm x 38mm x 29mm)
Vertical rods
Round 2 piece adjustable rods
Top rod adjustable from 6'8" (2027mm) to 8'4" (2533mm)
Bottom rod adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
Extension rod kits available for doors over 8'4" (2533mm)
Finishes
605, 606, 612, 619 (35A only), 625, 626, 626AM, 628, 710, 711
Fasteners and sex bolts (SNB)
Includes 1 3/4" (44mm) – 2 1/4" (57mm) wood and metal doors
#425 SNB furnished standard for end case
#325 SNB furnished standard for EO (exit only device)
Features available for Von Duprin 3548 Fire CVR QEL Exit Device
Electrified options
ALK Alarm exit kit
CX Chexit delayed exit
EL Electric latch retraction
ESL Emergency Secure Lockdown
HD-EL Electric latch retraction with hex dogging
LX Latch bolt monitor switch
LX-RX Request to exit / latchbolt monitoring
QEL Quiet electric latch retraction
RX Request to exit,
WP-RX waterproof option
RX-LC, LX-LC, LX-RX-LC, Low current option for RX, LX, LX-RX
SS Signal switch
CON Allegion Connect
Misc options
GBK Glass bead kit
PN Pneumatic
SEC Security screws
SG Safety glow
SNB Sex bolts
Please fill out a Quote Request Form, if you do not see an option listed.
Strikes
388 (Top) Unfinished
385A (Bottom) 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/
