TYPE
D2B CORRIDOR DOOR OPERATOR
D2B Operators are high security locking and operating
systems for individual sliding doors with a maximum weight not exceeding 450 pounds.
Drive Type: Roller Chain
Release Type: Remote Electric, Local Mechanical
Security Level: Maximum
APPLICATIONS
D2B Operators should be specified for security entrances, safety vestibules, corridor
doors, or sallyports where remote electric control and chain drive are desirable.
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 FUNCTIONS
Unit unlocks, opens and locks
open; or unlocks, closes and deadlocks closed a corridor door. A door stopped
in mid-travel may be opened or closed manually. Direction of movement of a door
may reversed electrically. In event of blockage, a torque limiter slips to prevent
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.
Individual doors may be manually unlocked at the door.
LOCKING
SYSTEM
Doors operated by Type D2B
Operators deadlock closed automatically at two points on the rear edge of the
door. When opened, doors automatically lock in the open position. Locking components
are not exposed or subject to inmate tampering. No components project into the
door opening.
TESTING
D2B Operators have been thoroughly
function tested, and have been in service since 1966. Folger Adam Security Inc.
has established test criteria for this system at 500,000 cycles.
STANDARD
FEATURES
- Motor voltage - 120VAC
- Rugged chain drive - Roller chain provides sure action of
the door under a variety of conditions and installation variables.
- Heavy duty construction - D2B Operators are ruggedly constructed
for the detention environment.
- Tamper resistance - Openings in housings are baffled to preclude
tampering.
- Adjustable torque limiter - Absorbs start up and closing shocks
by isolating the motor. Allows pressure exerted by the motor to be set to the
needs of an individual door. Adjustment is provided to compensate for various
sizes and weights of doors.
- Sloped top housing - Eliminates hiding of contraband. Flat
top housing is provided where operator must install close to ceiling.
- Automatic locking - Doors lock automatically at two points.
- Indication switch - Monitors the deadlock condition of both
locking points.
- Meets NFPA 101 Life Safety Code®
- 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 unlock the door, and move it by hand applied pressure. The door must
be moved (restarted electrically or mechanically) to the open or closed position
to lock.
OPTIONAL
FEATURES
- Door receiver column - A hinged door locking column which places the mechanical
release mechanism approximately 3'6" from the floor.
(NOTE: When specified, this column and the door receiver are a single assembly)
- Location of mechanical release mechanism - (Release Port) The locked housing
allows access to the release mechanism on the reverse side of the overhead housing.
- Electric control cabinet - 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 cut0off switch is also installed to cut power to the controls.
- Electrical interlocking - Wiring and adaptations may be made to permit interlocking
two or more doors in a sallyport or vestibule application. Prevents electric operation
of any other interlocked door.
- Custom graphic consoles - In many cases, corridor operators are merely one
part of a complete security system. For these larger installations, or those with
particular needs, custom built consoles may easily be provided with floor plan
graphics screened on the control panel, and an array of specialized features.
DIMENSIONAL
DATA
Note: The above illustration is intended for general information
and planning purposes only. Folger Adam locking devices are custom-built to the
design of the facility. The drawings on these pages should not be construed as
complete, or indicative of our manufacturing capabilities.
SPECIFICATIONS
Drive Systems
Type: Roller chain
Roller Chain: #41 Size
Motor: 120VAC, 60HZ, 1/10HP
Hangers and guides: ¼" thick steel
Rollers: Anti-friction ball bearings with hardened members and grease shield.
Rollers Studs: High alloy treated steel with self-locking nut.
Finish: USP, primed
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
Front Receiver: 10 gauge steel
Mechanical Release Column(optional): 7 gauge steel
Finish: USP, primed
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