Introduction - Eaton VICKERS SystemStak Manual

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Introduction

General description
These solenoid operated
directional control valves are
for directing and stopping
flow at any point in a hydrau-
lic system. This 60-design
series has been specially
designed and developed to
cover expanded demands in
the industry as well as the
many traditional uses of the
earlier designs. Some of the
more important benefits to
users are outlined.
• Efficient control of greater
hydraulic powers without
increasing solenoid power
consumption.
• Installed cost and space
savings from higher
power/weight-and-size
ratios.
• Increases system efficiency;
the result of improved
manufacture of spools
and bores.
Features and Benefits
• High pressure and flow
capabilities, thanks to
special design features
• Installation flexibility
resulting from choice of
numerous combinations
of solenoid connectors
and locations.
• Multi-fluid capability with-
out need to change seals.
• Higher sustained machine
productivity and higher
uptime because of proven
fatigue life and endurance,
tested over 20 million
cycles.
• Solenoid coils can be
changed quickly and
easily without leakage
from hydraulic system.
• Compact, cost effective
system design when used
with Vickers
SystemStak
®
valves and subplates.
Highly reliable operation up
to 80 l/min (21 USgpm) at
350 bar (5000 psi). Estab-
lishes new market standards
and opens new possibilities
to design engineers on valve
size selection.
Eaton Vickers Solenoid Operated Directional Valves Product Catalog V-VLDI-MC011-E September 2008
DG4V-3 and DG4V-3S
High and standard
performance models:
• Up to 80 l/min (21 USgpm)
and up to 40 l/min (10.5
USgpm) respectively at
350 bar (5000 psi).
• Builds on Eaton's experi-
ence as the major supplier
of size 03 valves world-
wide.
• Offers designers the
opportunity to select the
optimum value package
for each application.
• International standard
interface. The valve
mounting face conforms
to ISO 4401, size 03 and
is compatible with related
international standards.
Flow rate (USgpm)
0
4
8
400
400
300
300
200
200
100
100
10
20
30
Flow rate (l/min)
DG4V-3S
Typical maximum pressure
differential (P-A-B-T) flow en-
velope, blocked center spool.
Flow rate (USgpm)
0
12
4
16
8
20 21
12
16
5000
4000
3000
2000
1450
40
10
50
60
20
70
30
80
40
50
60
Flow rate (l/min)
DG4V-3S
DG4V-3
DG4V-3
20 21
5000
4000
3000
2000
1450
70
80
1

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