Southern Folger D3B.2 User Manual
FA Rev. 02-10 D27
For more information, please call 210.533.1231.
Description______________
Type D3B.2 Operators are high security
locking and operating systems for
individual sliding doors to a maximum
weight of 350 pounds.
Applications_____________
D3B.2 Operators should be specified for
security entrances, corridor doors, safety
vestibules, or sallyports where remote
electric control and precise rack and
pinion drive are desirable.
Functions________________
Unit unlocks, opens and locks open; or
unlocks, closes and deadlocks closed,
an individual door.
A door stopped in mid-travel may be
opened or closed manually. Direction of
movement of a door may be reversed
electrically. In event of blockage, a
torque limiter prevents motor damage.
When obstruction is removed, the door
will automatically continue movement to
the open or closed position. Pressure
exerted by a door in travel is factory-set
to approximately 40 pounds.
Blockage of a door will not cause motor
damage. When obstruction is removed,
the door continues movement to the
open or closed position.
Individual doors may be mechanically
unlocked at the door.
Locking System__________
The door automatically deadlocks
closed, and locks open at two points on
the rear edge of the door. Locking
components are concealed, and not
subject to inmate tampering.
Components do not project into the
door opening.
Testing__________________
D3B Series Operators have been in
service since 1972, and tested to
500,000 cycles.
Standard Features_______
Motor voltage – 120 VAC.
Precise, rack and pinion gear drive.
Heavy duty construction – D3B.2
Operators are ruggedly built for the
detention environment.
Tamper-resistance – All openings in
housings are baffled to preclude
inmate tampering.
Sloped-top housing – Eliminates
hiding of contraband. Flat-top housing
is provided where operator must
install close to ceiling.
Automatic deadlocking – When fully
closed, top and bottom locking points
on the rear of each door are forced
down into deadlock.
Indication switch – An internal switch
monitors the deadlocked condition of
both locking points.
Remote, electric unlocking – Each
door is controlled by a three-position
switch. (OPEN-OFF-CLOSE).
Emergency manual unlocking – In
event of power failure, a release port
may be opened by paracentric key.
This action allows use of a “T” handle
to disengage motor. The door may
then be manually moved to open or
closed position.
Optional Features________
Door receiver column – Provides for
location of mechanical release
mechanism approximately 3'6" from
the floor, and provides rod release for
disengagement of rack and pinion for
manual door movement.
Electrical control console – Provides
a three-position switch for each
corridor door, accompanied by red
and green indication lamps. Operating
switches are labeled:
OPEN-OFF-CLOSED.
Indication lamps are labeled:
Red – OPEN, Green – CLOSED.
A two-position power cut-off switch is
also installed to cut power to the
controls.
Interlocking – Wiring and adaptations
may be made to permit interlocking
two or more doors in a sallyport or
vestibule application. Prevents
electrical operation of any other
interlocked door.
Custom graphic consoles – In many
cases, corridor operators are merely
one part of a complete security
FOLGER ADAM LOCKING DEVICES
Drive: Rack and Pinion
Release: Remote Electric,
Local Mechanical
Security
Level: Maximum
D3B.2 CORRIDOR
DOOR OPERATOR
(continued)
D28 Printed in USA FA Rev. 02-10
P.O. Box 2021, San Antonio, TX 78297 Ph: 210.533.1231 Fx: 210.533.2211
Web: www.SouthernFolger.com
Email: info@southernfolger.com
system. For these larger installations,
or those with particular needs,
custom-built consoles may be easily
provided with floor plan graphics
screened on the control panel, and an
array of specialized features.
G90 galvanized finish available.
FOLGER ADAM LOCKING DEVICES
Drive: Rack and Pinion
Release: Remote Electric,
Local Mechanical
Security
Level: Maximum
D3B.2 CORRIDOR
DOOR OPERATOR
Specifications________
Drive system –
Type: Rack and Pinion.
Gear motor: 120 VAC, 60 HZ,
1/10 HP.
Hanger and guides: 1/4" thick
steel.
Rollers: Anti-friction ball bearings
with hardened members and
grease shield.
Roller studs: High alloy treated
steel with self-locking nut.
Finish: USP.
Mechanism housing/covers –
Housing: 7-gauge steel.
Housing covers: 10-gauge steel.
Vertical lock column housing: 7-
gauge steel.
Vertical lock column cover:
10-gauge steel.
Door receiver column
(optional): 7-gauge steel,
equipped with 12 Series lock.
Front receiver: 10-gauge steel.
Finish: USP.
Dimensional Data_______
NOTE: If the optional mechanical
release column is used, the 3"
minimum at the front of the door is
increased to the 7" width of the
mechanical release column and the
“No. 12 lock access to mechanical
operation” is omitted from the
removable housing cover.
Note: Dimensions are for information
and planning purposes only, and
should not be used as templates.
The illustration shown is intended for general
information and planning purposes only. Folger
Adam locking devices are fabricated to the
design of the facility.
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