Eaton VICKERS SystemStak Manual page 36

Performance Data
Pressure drops
psi bar
12
12
160
10
140
120
8
100
6
80
60
4
40
2
20
0
0 10 20 30
0 3 6
DG4V-3S
Curve for spool type 6: not recommended for flows in excess of 60 l/min (15.8 USgpm).
t
Pressure drops in offset positions except where otherwise indicated
Spool/spring Spool
code positions
covered
0A(L) Both
0B(L) & 0C, 0F De-energized
Energized
2A(L) Both
2B(L) & 2C, 2F Energized
2N Both
6B(L) & 6C, 6F De-energized
Energized
7B(L) & 7C, 7F De-energized
Energized
8B(L) & 8C All
22A(L), 22B(L) & 22C All
24A(L) De-energized
33B(L) & 33C De-energized
Energized
34B(L) & 34C De-energized
Energized
52BL & 52C Energized
56BL Both
56C De-energized
Energized
66B(L) & 66C De-energized
Energized
521B All
561B De-energized
Energized
"B" plugged ∆ "A" plugged m"P" plugged
s
11 10 9 8 7 6 5 4 3
2
1
40 50 60 70 80 l/min
9 12 15 18 21 USgpm
Flow rate
DG4V-3
P to A P to B
5 5
– –
4 4
6 6
5 5
6 6
– –
6 6
6
6∆
s
4 4
9 9
6 6
6 6
– –
5 5
– –
5 5
6 6∆
s
6 6∆
s
– –
6 6∆
s
– –
6 6
6 6∆
s
– –
6 6∆
Eaton Vickers Solenoid Operated Directional Valves Product Catalog V-VLDI-MC011-E September 2008
psi bar
2000
140
120
1600
100
1200
80
60
800
40
400
20
0
0 10
0 2
Flow rate
DG4V-3S & DG4V-3
A to T B to T P to T B to A
or
A to B
2 2 – –
– – 4 –
∆
s
2 2 – –
5 5 – –
2 2 – –
3 3 – –
3 3∆ – –
s
1 1 – –
– – – 7m
3 3 – –
5 5 3 –
– – – –
2 2 – –
15 15∆ – –
s
2 2 – –
14 14∆ – –
s
2 2 – –
2 – – 10m
11 10∆ – 10m
s
11 10∆ – 10m
s
2 – – 10m
12 12 – 13
2 2 – –
– – – 10m
10 11∆ – 10m
s
– – – 10m
15
14
13
20 30 l m / n i
4 6 8 USgpm
For other viscosities, pres-
sure drops approximate to:
Viscosity cSt (SUS)
14 20 43 54 65
(17.5) (97.8) (200) (251) (302) (352) (399)
% of ∆p
81 88 104 111 116 120 124
A change to another specific
gravity will yield an approxi-
mately proportional change
in pressure drop.
The specific gravity of a fluid
may be obtained from its
producer. Fire resistant fluids
usually have higher specific
gravities than oil.
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