Specifications – Wood’s Powr-Grip VLPL411LAC User Manual
Page 3
Rev 15.0/12-12
1
VLPL4-AC: #35165
SPECIFICATIONS
Description:
Designed for use with a crane or other hoisting equipment, the VLPL4-AC lifters
employ vacuum to hold a load for lifting in the upright orientation.
Model Number:
VLPL49AC
VLPL411LAC
Vacuum Pads:
9" [23 cm] nominal diameter
(Model VPFS9)
11" [28 cm] nom. diameter, lipped
(Model G3370)
(Four, standard rubber, spring-mounted for ¼" [7 mm] travel, with #60 filter screen)
Pad Spread:
(to outer edges)
Minimum:
30" x 9¼" [762 x 232 mm]
33" x 12" [835 x 305 mm]
Maximum:
30" x 30" [762 x 762 mm]
33" x 33" [835 x 835 mm]
Lifter Weight:
93 lbs [43 kg]
98 lbs [45 kg]
Load Capacity:
(rated at 16" Hg [-54 kPa] on clean, smooth, nonporous flat surfaces
1
)
Per-Pad:
125 lbs [56.5 kg]
175 lbs [80 kg]
Maximum:
500 lbs [225 kg]
700 lbs [320 kg]
Pad Shutoffs:
Manual valves control vacuum flow at adjacent pads.
Power Source:
See serial number plate for specific AC voltage, frequency and amperage.
Power Transformer:
See appendix for transformer specifications and instructions.
Vacuum Pump:
Rotary vane type, 4 SCFM [113 liters/minute] nominal airflow
or
Diaphragm type, 3 SCFM [85 liters/minute] nominal airflow
Vacuum Reserve Tank: Vacuum reservoir helps prevent immediate vacuum loss in case of power failure.
Vacuum Gauge:
Dial gauge indicates current vacuum level in positive inches of Hg and negative kPa.
Vacuum Lift Lights:
Green lights are energized whenever vacuum level is sufficient for lifting maximum
load weight (higher than 16" Hg [-54 kPa]).
Options:
See separate instructions about optional features.
Operating Elevation:
Maximum = 10,000 feet [3048 meters]
Operating Temperatures: 32° to 100° F [0° to 38° C]
Service Life:
This lifter is designed to have a service life of at least 20,000 lifting cycles, when
used and maintained as intended. Vacuum pads, filter elements and other wear-out
items are excluded; see MAINTENANCE and REPLACEMENT PARTS LIST for more
information. For the D
ISPOSAL OF THE
L
IFTER
after its service life, see INTENDED USE.
ASME Standard BTH-1: Design Category "B", Service Class "0" (see www.powrgrip.com for more
information)
Wiring Diagram:
The following wiring diagrams are attached for reference in servicing the lifter or
trouble-shooting a deficiency:
!!-CE-!! Note: This symbol appears in the
INSTRUCTIONS manual only when requirements of a CE Standard are different from
requirements of other standards that also apply to this vacuum lifter. CE requirements are mandatory in geographical areas
where CE Standards apply, but may be optional in other locations.
1
Load Capacity is based on a friction coefficient of 1; see MAINTENANCE: V
ACUUM
P
AD
M
AINTENANCE
: Friction Coefficient for
additional information.