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GENERAL
Pflow Series DB Vertical Lifts move materials between two or
more levels. Principal components are guide columns, carriage
and mechanical actuating mechanism. All components are
pre-assembled for ease of installation.
APPLICATION DATA
Pflow Series DB Vertical Lifts are available with: Live load
lifting capacities to 100 lbs. Carriage sizes to 36" x
36". Vertical rise to 50'. Standard travel speed is 60 fpm
(without variable frequency drive package). Travel speeds up to
400 fpm are available with variable frequency drive package.
STRUCTURE
Frame is designed to be self-standing and constructed of
structural tube and steel. Carriage is typically supplied with
powered roller conveyor deck. Carriage is cantilever style and
may be loaded from any one of three operating sides depending on
application.
OPERATION
Carriage is lifted and lowered by timing belt attached to an
electric motor-reducer assembly mounted on the frame. Power unit
employs a 1/2 hp TEFC brake motor mounted to the top of lift
frame.
ELECTRICAL
Standard power requirements are 208V/ 230V/460V, 3-phase. Single
phase is available upon request. Control voltage is 110V.
Control panel is designed to be mounted to the back of the
frame. A variety of control options are available from basic
interface to PLC automated controls.
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SAFETY FEATURES
Upward and downward travel of the carriage is controlled by a
limit switch. When the switch is tripped, the motor shuts off
and the brake is engaged. Overload and carriage overtravel
protection is provided.
CARRIAGE & SAFETY
ENCLOSURES
Safety guarding on all sides of the lift is standard. Guarding
is full height material which will reject a ball 3/4" in
diameter.
CODE GUARANTEE
Pflow Industries, Inc. provides a written guarantee of
compliance with all federal, state and local codes. Pflow
vertical reciprocating conveyors (VRC's) and continuous
reciprocating conveyors (CVC's) are designed, installed and
guarded in accordance with ANSI/ASME B20.1 (current edition) and
National Electric Code.
SUBMITTALS
Pflow Industries provides general arrangement drawings detailing
your specific application including plan and elevation views
with dimensional information, equipment specifications, and
guarding requirements. An Owner's Manual with complete parts
list, recommended spare parts list, maintenance instructions and
troubleshooting guide is also provided.
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INSTALLATION
Comprehensive installation instructions and electrical
schematics are provided for proper installation of Pflow
vertical reciprocating conveyors. Pflow will also provide
technical support so that equipment is properly installed and
guarded per ANSI/ASME B20.1 to ensure safe, efficient operation.
CANTILEVERED CARRIAGE
The carriage is cantilevered to allow loading/unloading from the
side. With cantilevered carriages, the support columns are
placed on one side of the carriage to allow loading/unloading at
90° angles. This requires heavier structure and guide wheel
components. Carriage size and capacity are limited by the
unbalanced load condition. With large carriages or high capacity
applications, the carriage thickness is increased thereby
requiring a deeper pit for proper installation.
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