Specifications – Wood’s Powr-Grip N4950AIR User Manual
Page 3

Rev 2.0/12-12
1
N4950/HV11FAIR: #35105
SPECIFICATIONS
Description:
Designed for use with a compressed air supply, these N-Series hand cups
employ vacuum for attaching to loads, which are manually lifted and
carried, offering a wide range of handling options.
Model Number:
N4950AIR
NHV11FAIR
Vacuum Pad / Pad Spread:
8" [20 cm] nominal diameter
(Model G0695)
10" [25 cm] nominal diameter,
lipped (Model HV11F
1
)
(one of standard rubber with #60 filter screen)
Maximum Load Capacity:
125 lbs [57 kg]
150 lbs [68 kg]
(rated at 16" Hg [-54 kPa] on clean, smooth, nonporous flat surfaces
2
)
Hand Cup Weight:
3 lbs [1.36 kg]
4.5 lbs [2.04 kg]
Power Source:
Compressed air, 70-80 psi [483-552 kPa] line pressure, 2 SCFM [57
liters/minute] @ 75 psi [517 kPa]
Vacuum Pump:
Venturi type, 1 SCFM [28 liters/minute] nominal vacuum flow @ 75 psi
[517 kPa]
Vacuum Indicator:
When hidden, red line on plunger indicates current vacuum level is
adequate for lifting a load.
Operating Elevation:
Maximum = 9000 feet [2743 meters]
Operating Temperatures:
10° to 120° F [-12° to 49° C]
Service Life:
This hand cup is designed to have a service life of at least 20,000 lifting
cycles, when used and maintained as intended. Vacuum pads and other
wear-out items are excluded (see MAINTENANCE and REPLACEMENT
PARTS LIST for more information). For the D
ISPOSAL OF THE
H
AND
C
UP
after
its service life, see INTENDED USE.
1
The closed-cell foam ring on this vacuum pad is used for applications on rough or textured surfaces.
2
Load Capacity is based on a friction coefficient of 1; see MAINTENANCE: V
ACUUM
P
AD
M
AINTENANCE
: Friction Coefficient for
additional information.