D1WWEL01E
367
Flow control valves
DIVISION
Type VDR/CO
ow control pressure compensated valves
• Cartridge compensated
• With steel housing M-F or F-F
• Flow regulator xed type
Technical specications and diagrams are measured with mineral oil of 46 cSt viscosity at 40°C (104°F) temperature.
VDR/CO 14 VDR/CO 38 VDR/CO 12
Nominal ow from A to B
15 l/min
(3.96 US gpm) 25 l/min (6.6 US gpm) 60 l/min (15.9 US gpm)
Nominal ow from B to A
10 l/min
(2.6 US gpm) 16 l/min (4.2 US gpm) 45 l/min (11.9 US gpm)
Max. pressure
350 bar
(5100 psi)
Fluid mineral based oil
Viscosity from 10 to 200 cSt
Max. level of contamination 18/16/13 ISO4406
Fluid temperature
with NBR seals from -20°C
(-4°F) to 80°C (176°F)
Environmental temperature
for working conditions
from -40°C
(-40°F) to 100°C (212°F)
Weight steel
0.01 kg
(0.022 lb) 0.026 kg (0.057 lb) 0.05 kg (0.11 lb)
NOTE - For dierent conditions, please contact Walvoil Sales Dpt.
B
A
368
D1WWEL01E
Flow control valves
DIVISION
VDR/CO
Dimension
___________________________________________________________________________________________________
Valve
type
A B C D E F G
VDR/CO 14
23
0.9
1.5
0.06
7
0.27
G 1/4 -
10.5
0.41
1.5
0.06
VDR/CO 38
28
1.1
2.5
0.1
10.5
0.41
G 3/8
14.5
0.57
14
0.55
1.5
0.06
VDR/CO 12
36
1.42
5
0.2
12
0.47
G 1/2
18
0.71
17
0.67
2
0.08
I
A BB A
N
G
H
N
LLM
MG
I
Housing type VDR/CO/M
Housing type VDR/CO/F
Type VDR/CO
Dimensions are in mm
-in Dimensions are in mm-in
Housing
type
G H I L M
N
MF
14
62
2.44
50
1.97
G 1/4
42
1.65
45
1.77
19
38
82
3.23
70
2.75
G
3/8
41
1.61
63
2.48
22
12
80
3.15
66
2.60
G
1/2
50
1.97
57
2.32
27
FF
14*
50
1.97
- G 1/4
21
0.83
12.5
0.49
19
38
70
2.75
-
G
3/8
37
1.46
14
0.55
22
12
80
3.15
-
G
1/2
50
1.97
16
0.63
27
A
A
B
F
E
G
BC
D
Flow control pressure compensated valves
369
D1WWEL01E
Flow control valves
DIVISION
VDR/CO / F 14 - 2 l/min
Port size
Nominal ow
1
2
VDR/CO
______________________________________________________
Ordering codes and description composition
1 Valve
TYPE CODE DESCRIPTION
With G1/4 ports
VDR/CO 14-1 1661510100 Nominal ow 1 l/min -
0.26 US gpm
VDR/CO 14-2 1661510101 Nominal ow 2 l/min -
0.53 US gpm
VDR/CO 14-3 1661510102 Nominal ow 3 l/min -
0.79 US gpm
VDR/CO 14-4 1661510103 Nominal ow 4 l/min -
1.06 US gpm
VDR/CO 14-5 1661510104 Nominal ow 5 l/min -
1.32 US gpm
VDR/CO 14-6 1661510105 Nominal ow 6 l/min -
1.58 US gpm
VDR/CO 14-7 1661510106 Nominal ow 7 l/min -
1.85 US gpm
VDR/CO 14-8 1661510107 Nominal ow 8 l/min -
2.11 US gpm
VDR/CO 14-9 1661510108 Nominal ow 9 l/min -
2.38 US gpm
VDR/CO 14-10 1661510109 Nominal ow 10 l/min -
2.64 US gpm
With G3/8 ports
VDR/CO 38-2 1661520100 Nominal ow 2 l/min -
0.53 US gpm
VDR/CO 38-4 1661520101 Nominal ow 4 l/min -
1.06 US gpm
VDR/CO 38-6 1661520102 Nominal ow 6 l/min -
1.58 US gpm
VDR/CO 38-8 1661520103 Nominal ow 8 l/min -
2.11 US gpm
VDR/CO 38-10 1661520104 Nominal ow 10 l/min -
2.64 US gpm
VDR/CO 38-12 1661520105 Nominal ow 12 l/min -
3.2 US gpm
VDR/CO 38-14 1661520106 Nominal ow 14 l/min -
3.7 US gpm
VDR/CO 38-16 1661520107 Nominal ow 16 l/min -
4.2 US gpm
With G1/2 ports
VDR/CO 12-12 1661530100 Nominal ow 12 l/min -
3.2 US gpm
VDR/CO 12-16 1661530101 Nominal ow 16 l/min -
4.2 US gpm
VDR/CO 12-20 1661530102 Nominal ow 20 l/min -
5.3 US gpm
VDR/CO 12-25 1661530103 Nominal ow 25 l/min -
6.6 US gpm
VDR/CO 12-30 1661530104 Nominal ow 30 l/min -
7.9 US gpm
VDR/CO 12-35 1661530105 Nominal ow 35 l/min -
9.3 US gpm
VDR/CO 12-40 1661530106 Nominal ow 40 l/min -
10.6 US gpm
VDR/CO 12-45 1661530107 Nominal ow 45 l/min -
11.9 US gpm
NOTE -
Nominal ow ± 10%
@ 100 bar - 1440 psi
VDR/CO complete valves
Chartridge with steel housing
TYPE CODE DESCRIPTION
VDR/CO/F 14-2 1661610100 Female-female G1/4 ports, range
2 l/min -
0.53 US gpm
VDR/CO/F 38-2 1661620100
Female-female G3/8 ports, range
2 l/min -
0.53 US gpm
VDR/CO/F 12-12 1661630100 Female-female G1/2 ports, range
12 l/min -
3.2 US gpm
VDR/CO/M 14-2 1661710100 Male-female G1/4 ports, range
2 l/min -
0.53 US gpm
VDR/CO/M 38-2 1661720100
Male-female G3/8 ports, range
2 l/min -
0.53 US gpm
VDR/CO/M 12-12 1661730100 Male-female G1/2 ports, range
12 l/min -
3.2 US gpm
For dierent congurations
or SAE thread please contact our Sales
Dpt.
2 Housing
M-F (male-female) or F-F (female-female) steel housing
TYPE CODE DESCR. TYPE CODE DESCR.
MF14 CMFVSC01 G1/4, M-F MF03 CMFVSC03 G1/2, M-F
FF14 CFFVUBA-VSC01 G1/4, F-F FF03 CFFVSC03 G1/2, F-F
MF02 CMFVSC02 G3/8, M-F
FF02 CFFVSC02 G3/8, F-F
For dierent congurations
or SAE thread please contact our Sales Dpt.
1
2
Flow control pressure compensated valves
370
D1WWEL01E
Flow control valves
DIVISION
VDR/CO 14 pressure drop vs. ow
(A→B)
B-C-D-E-F nominal ow
Flow
(l/min)
1234567
0
0 0.5 1 1.5
Pressure
(bar)
0
16
12
8
4
20
(US gpm)
B
C
D
E
F
0
150
200
250
(psi)
50
100
VDR/CO 14 pressure drop vs. ow
(A→B)
G-H-I-L nominal ow
VDR/CO 38 pressure drop vs. ow
(A→B)
B-C-D nominal ow
VDR/CO 38 pressure drop vs. ow
(A→B)
E-F-I nominal ow
Flow
(l/min)
51015202530350
0 2.5 5 7.5
Pressure
(bar)
0
16
12
8
4
20
(US gpm)
0
120
180
240
(psi)
60
E
F
I
VDR/CO 14 pressure drop vs. ow
(B→A)
compensation diagram
VDR/CO 12 pressure drop vs. ow
(A→B)
A-B-C-D nominal ow
VDR/CO 12 pressure drop vs. ow
(A→B)
E-F-I nominal ow
Flow
(l/min)
10515
20
0
0
Pressure
(bar)
0
16
12
8
4
20
1.25 2.5 53.75
(US gpm)
B
C
A
0
100
150
50
200
250
(psi)
VDR/CO 12 pressure drop vs. ow
(B→A)
compensation diagram
30 60 90 120 150 180 2100
0
16
12
8
4
20
Pressure (bar)
Flow
(l/min
)
0 2000 30001000
(psi)
5
4
(US gpm
)
1
0
3
2
H
G
E
F
C
D
A
B
30 60 90 120 150 180 2100
0
40
30
20
10
50
Pressure (bar)
Flow
(l/min
)
0 2000 30001000 (psi)
0
9
(US gpm)
3
6
12
H
G
E
C
D
A
B
30 60 90 120 150 180 2100
0
16
12
8
4
20
Pressure (bar)
Flow
(l/min
)
0 2000 30001000
(psi)
5
4
(US gpm
)
1
0
3
2
M
H
G
F
E
C
A
D
B
L
I
VDR/CO 38 pressure drop vs. ow
(B→A)
compensation diagram
Rating diagrams
___________________________________________________________________________________________
VDR/CO
Pressure
(bar)
16
12
8
4
20
0
0.6 1.2 1.8
(US gpm)
0
0
3691
21
5
Flow (l/min)
2.4
3 3.6
0
150
250
(psi)
50
100
200
GH
IL
Flow
(l/min)
10515
20
0
0
Pressure
(bar)
0
16
12
8
4
20
0
120
180
240
(psi)
90
1.25 2.5 53.75
(US gpm)
B
C
D
0
10
15
5
20
Pressure
0
100
150
50
200
250
(psi)
(bar)
G
F
H
E
D
40200 60
(l/min)
0 5 10 15
Flow
(US gpm)
Flow control pressure compensated valves
