Pvbs Fluid Flow Characteristics-Theoretical Performance - Danfoss PVG-EX 32 Technical Information

Technical Information
PVG-EX 32 Proportional Valve Group
PVBS Main Spools
PVBS fluid flow characteristics—Theoretical performance
76 | © Danfoss | June 2019
Fluid flow at different spool travel + 10 bar margin (uncompensated PVB)
P
1
E
8
1
8
1
C
8
1
B
8
A
AA
[mm]
PVM
7 6 5
[in]
0.28 0.24 0.20 0.16
U
s
PVE
U
DC
0.25 0.3 0.35
bar
15
13 11
PVH
psi
218 190 160
[l/min] [US gal/min
A
200
52
48
180
44
160
40
140
36
32
120
28
100
24
80
20
16
60
12
40
8
20
4
3
4 2 1 0
0.12 0.08 0.04 0
0.4 0.45 0.5
9 7
5
130 100 73
]
P B
Spool types:
AA = 5 l/min
A = 10 l/min
B = 25 l/min
C = 40 l/min
D = 65 l/min
E = 100 l/min
1 = First PVB efter PVP
8 = Eighth PVB after PVP
4 5 6
0 1 2 3
0 0.04 0.08 0.12
0.16 0.20 0.24
0.5 0.65 0.7
0.55 0.6
5 7 9 11 13
73 160 190
100 130
BC290860493426en-000103
1
E
8
1
D
8
1
C
8
1
B
8
A
AA
[mm]
PVM
7
[in]
0.28
U
s
PVE
U
DC
0.75
bar
15
PVH
psi
218