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Commercial > Hardware > Exit Devices > Panic Bar > Von Duprin

Series 33A/35A

Touch bar exit devices are mounted on the egress side of the door. They can be mounted for rim, mortise, surface vertical, or concealed vertical applications. Touch bar exit devices feature an enclosed mechanism case with a push bar area to allow egress.

Exit devices are a critical part of a door opening or access system and will provide safe and reliable service when properly applied and maintained.

Von Duprin designs and manufactures exit devices in accordance to ISO 9001 Quality Management System and meets or exceeds accepted U.S. domestic and International standards.

Series 33A/35A pushpad exit devices are available in two external surface styles:
33A - smooth mechanism case, and 35A - grooved mechanism case.

The two styles are mechanically and dimensionally identical and provide a
wide selection of appearance options.

Devices
Trim
Specifications
Finishes
Options
Downloads

33A/35A Rim - touch bar

For all types of single and double doors with mullion

3327A/3527A - vertical rod

Surface mounted panic exit device

For all types of single and double doors

3327A-F/3527A-F - vertical rod fire rated

Surface mounted fire exit device

For all types of double doors up to 8’ x 10’

3347A/3547A - concealed vertical rod

For all types of single and double doors

3347A-F/3547A-F - concealed vertical rod fire rated

Surface mounted fire exit device

For all types of double doors up to 8’ x 10’

3348A/3548A - concealed vertical rod

For all types of single and double doors

3348A-F/3548A-F - concealed vertical rod fire rated

For all types of double doors up to 8’ x 10’

3349A/3549A - concealed vertical cable

For all types of single and double doors

3349A-F/3549A-F - concealed vertical cable fire rated

For all types of double doors up to 8' x 10'

360T-BE x 550 DT - thumbturn, blank

Always operable (no cylinder)

360T-BE x 8190 - thumbturn, blank

Always operable (no cylinder)

360T x 550DT

Key locks and unlocks

360T x IVES 8190 - thumbturn

Key locks and unlocks

374T/376T x 8190 - thumbturn

Key locks and unlocks

374T-BE/376T-BE x 8190 - thumbturn, blank

Always operable (no cylinder)

388 x 550DT - night latch

Key retracts latchbolt

388 x IVES 8190 - night latch

Key retracts latchbolt

392-6 - offset pull

Tubular design

6-1/4" CTC

2-1/4" projection

386DT - dummy trim

Pull when dogged

386NL - night latch

Key retracts latchbolt

388 - night latch, no pull

Key retracts latchbolt

Optional pull required

360L - lever

Key locks and unlocks

Handed / reversible

Specify lever style (catalogue page 26)

360L-BE - lever blank escutcheon

Always operable (no cylinder)

Handed / reversible

Specify lever style (catalogue page 26)

360T - thumbturn

Key locks and unlocks

360T-BE - thumbturn blank escutcheon

Always operable (no cylinder)

374T x 386 - thumbturn

Key locks and unlocks

374T-BE x 386 - thumbturn blank escutcheon

Always operable (no cylinder)

360L-DT - lever blank escutcheon

Pull when dogged

Handed / reversible

Series 33A/35A Exit Device Specifications

Von Duprin pushpad exit devices are available in two external surface styles, designated 33A Series and 35A Series. The two styles are mechanically and dimensionally identical and provide a wide selection of appearance options.

33A Series features grooved mechanism case
35A Series features smooth mechanism case
Deadlocking latchbolt prevents forced latchbolt retraction
The Quiet One® fluid damper eliminates most device noise

Touch bar exit devices are mounted on the egress side of the door.
They can be mounted for rim, mortise, surface vertical, or concealed vertical applications.

Single Door Applications

Double Door Applications

33A / 35A Rim Exit Devices

For all types of single and double doors with mullion; UL listed for Panic Exit Hardware. Devices are ANSI A156.3 – 2001 Grade 1. The 35A has a smooth mechanism case and the 33A has grooved case. The rim device is non-handed except when the SS (Signal Switch) option is used. 33A/35A fits door stiles as narrow as 1³⁄₄" (44mm). Newly designed device has a one piece center case cover. Architectural finishes: US3, US4, US10, US15 (35A Only) US26, US26D, US26D-AM,US28, 313 and 315.

Lengths: 3' for door size 2'4" to 3' (711mm to 914 mm); or 4' for door size 2'10" to 4' (864 mm to 1219 mm)
Device Centerline from Finished Floor: 39-13/16" (1011 mm); or 39-11/16" (1008 mm) with mullion
Center Case Dimensions: 8-3/16" x 1-9/16" x 2-13/32" (208mm x 40mm x 62mm)
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, 3/4" (19mm) throw
Fasteners & Sex Bolts (SNB): Includes 1-3/4" (44mm) to 2¼" (57mm) wood & metal doors; #425 SNB furnished standard for end case; #325 SNB furnished standard for EO (exit only device)

Trim Operation Lever

33A / 35A Rim Device Options

QEL - Quiet Electric Latch Retraction:

Bolt retraction via switch
Converts exit door to push-pull operation

RX - Request to Exit:

Signals use of an opening
SPDT switch to monitor pushpad

CX - Chexit Delayed Exit:

Meets NFPA 101 requirements
Self-contained controls, locking, alarm

ALK - Alarm Exit Kit:

Unauthorized opening triggers 85-decibel horn
Set in armed or disarmed mode by key

EL - Electric Latch Retraction:

Enables remote unlatching
Alternative to manual dogging

SG - Safety Glow:

Self illuminating touchpad
No batteries or electronics

E (E360L) - Electric Lever Trim:

Electrified remote locking/unlocking
Fail safe & fail secure options available
No key override

CD - Cylinder Dogging:

Replaces hex key dogging
Requires standard 1-1/4" mortise cylinder

PN - Pneumatic Latch Retraction:

For areas where electrical devices banned
Special linkage for mechanical or pneumatic dogging

For additional specifications, see catalogue under Downloads tab.

Von Duprin created the first panic exit bar in response to the Iriqouis Theatre Fire of 1903 in Chicago. The fire caused the highest loss of life in history for a single building fire, taking a total of 602 lives in 20 minutes.