FC
FC
4
THROTTLE VALVE VDRV7/VDV7Series -
& 1” : 500 cc/min at
3000 psi (210 bar)
900 cc/min at
1 & : 800 cc/min at
1 3000 psi (210 bar)
1300 cc/min at
Nominal flow : 3/8” & 1/2” : 25 (95)
gpm (lpm) 3/4” & 1” : 50 (190)
1 & 1 : 119 (450)
Adjustment : Manual
Operating Torque : 300 N-cm at 210 bar (3000 psi)
(adjustment should not be done under
pressure beyond 210 bar (3000 psi)
Stroke : 3/8” & 1/2” : 14.0 mm
3/4” & 1” : 13.5 mm
1 & 1 : 15.0 mm
5000 psi (350 bar)
5000 psi (350 bar)
Fluid Temperature : -18 C...+80 C (0 F...+176 F)
Range
Viscosity range : Unlimited
ooo o
Type of actuator
General
Ambient temperature : -20 C...+ 60 C (-4 F...+140 F)
Special working : Consult
conditions
Operating Pressure : Minimum - 0 psi (0 bar)
Range Maximum - 5000 psi (350 bar)
5000 psi (350 bar)
oooo
VELJAN
Hydraulics
Type : Throttle Valve VDV7
Throttle with integral check Valve VDRV7
Design : Spool Type valve with metering groove
Type of mounting : Subplate / Threaded
Type of port : Threads in subplate / threads in body
Connections
Port sizes : Subplate mounting - , 1”,1
: B.S.P.P.& NPTF threaded - ,
, or 1”,1 or 1
Direction of flow : VDV7 B A (metered flow
on either way)
VDRV7 B A (metered flow)
A B (free flow)
(inlet or outlet)
Cracking pressure : 2 bar approximately only for VDRV7
Leakage when : 3/8” & 1/2” : 300 cc/min at
Fully closed 3000 psi (210 bar)
600 cc/min at
SPECIFICATION
A
B
VDRV7
B
A
VDV7
A
B
Veljan Throttle Valves VDV7 and Throttle Valves with integral Check Valves VDRV7 are for various applications requiring flow regulation
without pressure compensation. In a circuit where the line pressure is almost steady and small function of oil flow due to pressure
changes is permitted, the usage of this valve is ideally recommended. The integrated check valve allows reversed free flow from outlet
port to inlet port. These valves are not intended for use as shut-off valves.
For accurate control, pressure and temperature compensation is essential and for the same usage of Flow Control Valve Series V2F1C
is ideal. Contact for further information.VELJAN
1
2
/
”
1
2
/
”
1
2
/
”
1
2
/
”
1
2
/
”
1
2
/
”
1
2
/
”
1
4
/
”
1
4
/
”
1
4
/
”
1
4
/
”
3
4
/
”
3
4
/
”
3
8
/
”
FC
FC
5
B / VDRV7 - 08 - 3 1 1 00
Adjustment
Special fluids
Connections
2 = With adjusting scale
3 = Subplate mounted (only for
nominal sizes ,1”, 1 )
1 = Without adjusting scale
(further information required)
00 = None
(subplate to be
ordered seperately)
1 = Pipe threaded
Type of mounting
5 = 5000 psi (350 bar)
VDRV7 = Throttle valve with integral check valve
Max. Operating pressure
3 = 3000 psi (210 bar)
Nominal size
06 =
08 =
12 =
3
8
/
”
1
2
/
”
3
4
/
”
16 =1”
20 =1
24 =1
1
2
/
”
1
2
/
”
1
2
/
”
1
4
/
”
VDV7 = Throttle valve
B.S.P.P. Threads (connections)
Series
NPTF = Standard (code omitted)
ORDERING CODE
THROTTLE VALVE VDRV7/VDV7Series -
Curve - I
VDV7 -06/08 & VDRV7 -06/08
Direction of flow : B A
Throttle open
Curve - II
VDRV7 -06/08
Direction of flow : A B
Throttle closed
Curve - I
VDV7 -12/16 & VDRV7 -12/16
Direction of flow : B A
Throttle open
Curve - II
VDRV7 -12/16
Direction of flow : A B
Throttle closed
Curve - I
VDV7 -20/24 & VDRV7 -20/24
Direction of flow : B A
Throttle open
Curve - II
VDRV7 -20/24
Direction of flow : A B
Throttle closed
II
I
0
18
(261)
16
(232)
14
(203)
Pressure drop
p bar (psi)
6
(87)
8
(116)
10
(145)
12
(174)
4
(58)
2
(29)
1201000
20
(5)
40
(11)
60
(16)
(27)
80
(21)
(32)
Flow qv lpm (gpm)
I
20
(290)
II
18
(261)
16
(232)
14
(203)
Pressure drop
p bar (psi)
6
(87)
8
(116)
10
(145)
12
(174)
4
(58)
2
(29)
350
0 250
(66)
50
(13)
100
(26)
150
(40)
200
(53)
300
(79)
(93)
Flow qv lpm (gpm)
II
I
32
(464)
28
(406)
24
(348)
0
20
(290)
16
(232)
Pressure drop
p bar (psi)
8
(116)
12
(174)
4
(58)
6005505004504000
250
(66)
(106)
(146)
50
(13)
100
(26)
150
(40)
200
(53)
300
(79)
(119)
(158)
350
(93)
(132)
Flow qv lpm (gpm)
p - qv - Characteristics
PERFORMANCE CURVES
FC
FC
6
THROTTLE VALVE VDRV7/VDV7 - Series
VDV7-20/24 & VDRV7 -20/24
Direction of flow B A
VDV7-12/16 & VDRV7 -12/16
Direction of flow B A
VDV7-06/08 & VDRV7 -06/08
Direction of flow B A
Stroke Vs Flow characteristics
p=75 bar(1087psi)
p=40 bar(580 psi)
p=30 bar(435 psi)
p=20 bar(290 psi)
p=10 bar(145 psi)
p=100 bar(1450 psi)
p=150 bar(2174 psi)
p=200 bar(2900psi)
p=250 bar(3623 psi)
p=350 bar(5072 psi)
1.1
10
8
6
5
4
3
2.5
2
1.5
1.4
1.3
1.2
0
Turns of handwheel (one turn = 1.5 mm)
500
30.2 5030
(7.9)
(2.65)
(1.32)
(0.79)
(0.53)
(0.26)
(0.13)
(0.079)
(0.05)
(13.5)
105210.50.3
200
(53)
100
(26.5)
(133)
300
(80)
400
(106)
20
(5.3)
Flow qv lpm (gpm)
p=100 bar1450 psi)
p=150 bar(2174 psi)
p=200 bar(2900psi)
p=250 bar(3623 psi)
p=350 bar(5072 psi)
P=75 bar(1087psi)
P=50 bar(725psi)
p=30 bar(435 psi)
p=20 bar(290 psi)
p=10 bar(145psi)
1.1
150
10
8
6
5
4
3
2.5
2
1.5
1.4
1.3
1.2
0
0
Turns of handwheel (one turn = 1.5 mm)
(40)
200
(53)
1
30
20
(7.9)
3
(0.79)
0.2
(0.05)
50
(13.5)
(2.65)
10
(1.32)
5
(0.53)
2
(0.26)
(0.13)
0.5
(0.079)
0.3
100
(26.5)
(5.3)
Flow qv lpm (gpm)
Turns of handwheel (one turn = 1.5 mm)
10
8
6
5
4
3
2.5
2
1.5
1.4
1.3
1.2
1.1
p=75 bar(1087psi)
p=40 bar(580 psi)
p=30 bar(435 psi)
p=20 bar(290 psi)
p=10 bar(145 psi)
p=100 bar(1450 psi)
p=150 bar(2174 psi)
p=200 bar(2900psi)
p=250 bar(3623 psi)
p=350 bar(5072 psi)
P=50 bar(725psi)
200.2500
30
(7.9)
50
(13.5)
(2.65)
(5.3)
10
(1.32)
5
(0.53)
2
(0.26)
1
(0.13)
0.5
(0.066)
100
(26.5)
Flow qv lpm (gpm)
FC
FC
7
THROTTLE VALVE VDRV7/VDV7 - Series
THROTTLE VALVE WITH ADJUSTING SCALE
V
U
Y
Z
X
B
A
KJ
Subplate Body
Threaded Body
* B.S.P.P. Threads only
D
E
C
B
0 13254
F
298 01
H
O
N*
L
M
A
G
90128
B A
P
Q
T
R
S
CC
W
VDV7 & VDRV7
in
mm
mm
in
mm
in
mm
in
mm
in
mm
in
20.5
13.5
55
126
2
50
50
4.961
1.969
0.532
2.166
0.079
0.807
33
1.3
23
27
16.5
1.5
0.906
0.059
45
0.65
1.772
16.5
1.063
2
0.079
1.772
45
0.65
0.473
40
1.575
12
119
50
4.685
0.473
1.575
40
12
119
4.685
50
40
50
56
20.5
1.575
2
0.079
55
0.807
2.166
25
0.079
1.969
2
75
0.985
2.953
13.5
0.532
50
1.969
126
50
4.961
0.591
15
70
2.756
146
50
5.748
25
2.205
2
0.079
75
0.985
2.953
0.591
70
2.756
15
146
50
5.748
105
4.134
2.835
30
72
33
81
3/4"
3.189
1.18
1.3
1.969
06
A
23
20
1.969
0.788
66
0.906
2.599
23
1.969
20
0.788
2.599
66
0.906
3.347
2.166
55
85
3/8"
3.347
2.166
55
85
1/2"
24
33
30
1.969
1.18
81
1.3
3.189
41
37
1.457
1.969
104
4.095
1.614
4.134
2.835
72
105
1"
5.709
145
3.937
100
1¼"
41
37
1.969
1.457
104
1.614
4.095
5.709
3.937
100
145
1½"
17.5
102
11.5
2.599
2.835
2.245
4.016
2.441
37
32
64
1.26
2.52
1.457
37
64
2.52
1.457
32
1.26
45
79
3.111
40
1.772
1.575
35
11
38
7
0.433
1.378
1.496
1.378
1.496
38
35
11
7
0.433
50
1.969
20
45
79
3.111
40
1.575
1.772
62
62
102
4.016
57
2.441
2.245
57
2.087
2.087
53
53
50
1.969
14.5
14.5
9.5
9.5
0.571
0.571
2.599
72
2.835
66
72
66
17.5
11.5
0.689
.689
1.575
1.772
38.8
2.5
1.528
1.024
18.4
12.5
2
0.079
.725
0.492
0.276
12.5
18.4
0.276
0.725
2
0.492
0.079
2.5
0.099
21
0.827
1.024
26
0.827
1.024
26
21
1.024
1.221
31
26
20
29.5
29.5
1.162
1.162
0.374
0.374
2.5
0.099
0.788
0.788
28
28
38.8
0.453
1.528
0.453
2.5
1.024
0.099
0.099
1.024
26
1.221
31
1.575
1.772
45
40
45
40
BDCHGFEMLKJRQPNVUTSZYXWCC
08
12
16
20
O
Dimensions
Nominal
size
FC
FC
8
THROTTLE VALVE VDRV7/VDV7 - Series
THROTTLE VALVE WITHOUT ADJUSTING SCALE
V
U
Y
Z
X
B
A
KJ
O
N*
L
M
A
H
G
D
E
C
B
F
Subplate Body
Threaded Body
* B.S.P.P. Threads only
VDV7 & VDRV7
B A
P
Q
T
R
S
CC
W
in
mm
mm
in
mm
in
mm
in
mm
in
mm
in
20.5
55
2
50
50
1.969
2.166
0.079
0.807
33
1.3
23
27
16.5
1.5
0.906
0.059
45
0.65
1.772
16.5
1.063
2
0.079
1.772
45
0.65
40
1.575
50
1.575
40
50
40
50
56
20.5
1.575
2
0.079
55
0.807
2.166
25
0.079
1.969
2
75
0.985
2.953
50
1.969
50
70
2.756
50
25
2.205
2
0.079
75
0.985
2.953
70
2.756
50
105
4.134
2.835
30
72
33
81
3/4"
3.189
1.18
1.3
1.969
06
A
23
20
1.969
0.788
66
0.906
2.599
23
1.969
20
0.788
2.599
66
0.906
3.347
2.166
55
85
3/8"
3.347
2.166
55
85
1/2"
24
33
30
1.969
1.18
81
1.3
3.189
41
37
1.457
1.969
104
4.095
1.614
4.134
2.835
72
105
1"
5.709
145
3.937
100
1¼"
41
37
1.969
1.457
104
1.614
4.095
5.709
3.937
100
145
1½"
17.5
102
11.5
2.599
2.835
2.245
4.016
2.441
37
32
64
1.26
2.52
1.457
37
64
2.52
1.457
32
1.26
45
79
3.111
40
1.772
1.575
35
11
38
7
0.433
1.378
1.496
1.378
1.496
38
35
11
7
0.433
50
1.969
20
45
79
3.111
40
1.575
1.772
62
62
102
4.016
57
2.441
2.245
57
2.087
2.087
53
53
50
1.969
14.5
14.5
9.5
9.5
0.571
0.571
2.599
72
2.835
66
72
66
17.5
11.5
0.689
.689
1.575
1.772
38.8
2.5
1.528
1.024
18.4
12.5
2
0.079
.725
0.492
0.276
12.5
18.4
0.276
0.725
2
0.492
0.079
2.5
0.099
21
0.827
1.024
26
0.827
1.024
26
21
1.024
1.221
31
26
20
29.5
29.5
1.162
1.162
0.374
0.374
2.5
0.099
0.788
0.788
28
28
38.8
0.453
1.528
0.453
2.5
1.024
0.099
0.099
1.024
26
1.221
31
1.575
1.772
45
40
45
40
BDCHGFEMLKJRQPNVUTSZYXWCC
08
12
16
20
O
Dimensions
Nominal
size
13.5
126
4.961
0.532
0.551
14
117
4.606
0.551
14
117
4.606
13.5
0.532
126
4.961
0.591
15
146
5.748
0.591
15
146
5.748
FC
FC
9
AA
Z
Y
U
øX
øT
V
W
R
Q
O
øN
S
P
H
M
L
A
B
D
E
K
F
J
C
G
Dimensions
in
mm
mm
in
mm
in
mm
in
mm
in
mm
in
VSS-B-08-G102
VSS-P-08-G102
VSS-B-16-G103
VSS-P-16-G103
VSS-B-24-G104
VSS-P-24-G104
AA
AC
21
21
69
69
B.S.P.P
NPTF
A
1/2”
1/2”
B.S.P.P
NPTF
1”
1”
B.S.P.P
NPTF
1/2”
1
1/2”
1
38
38
0.55
0.79
2.99
1.5
0.83
1.02
2.72
1.85
1.46
1.42
2.99
3.93
1.93
3.93
0.47
0.57
0.79
0.35
1.5
0.37
0.989.
0.69
0.02
1.26
0.49
1.97
1.02
1.22
3.35
2.36
1.77
2.05
4.3
5.28
2.51
4.13
50
26
31
85
60
45
52
110
134
64
105
3.35
1.97
1.02
1.22
3.35
2.24
1.77
2.05
4.3
5.28
2.51
4.13
0.79
1.69
0.37
1.44
1.09
-
-
0.79
85
50
26
31
85
57
45
52
110
134
64
105
20
43
9.5
36.5
27.8
-
-
20
0.55
0.79
2.99
1.5
0.83
1.02
2.72
1.85
1.46
1.42
2.99
3.93
1.93
3.93
0.47
0.57
0.79
0.35
1.5
0.37
1.2
0.87
-
-
0.49
14
20
76
38
26
47
37
36
100
76
49
100
M6
12
14.5
9
20
9.5
17.5
25
0.5
12.5
32
14
20
76
38
26
47
37
36
100
76
49
100
M6
3.35
0.79
1.69
0.37
1.12
0.89
0.02
1.69
0.79
85
20
43
9.5
28.5
22.5
0.5
43
20
0.55
0.79
0.47
0.57
0.35
14
20
12
14.5
9
M8
2.83
1.57
1.77
4.69
3.35
2.44
2.87
5.9
6.85
3.46
5.31
72
40
45
119
85
62
73
150
174
88
135
4.52
2.24
1.1
115
57
28
2.83
1.57
1.77
4.69
3.35
2.44
2.87
5.9
6.85
3.46
5.31
72
40
45
119
85
62
73
150
174
88
135
4.52
-
1.1
115
-
28
0.79
1.77
0.37
1.32
1.04
0.02
20
45
9.5
34.5
26.5
0.5
0.71
0.98
0.47
0.57
0.35
18
25
12
14.5
9
M10
0.79
1.77
0.37
1.5
1.13
0.02
20
45
9.5
38
28.6
0.5
0.71
0.98
0.47
0.57
0.35
18
25
12
14.5
9
M10
0.55
0.79
0.47
0.57
0.35
14
20
12
14.5
9
M8
12
14.5
9
20
9.5
22.2
30.5
-
12.5
-
BDCHGFEMLKJRQøP
øN
VUøTSZYøXWO
Model
number
Port Sizes
Model No
VDV/VDRV7 - 08
VDV/VDRV7 - 16
VDV/VDRV7 - 24
Mounting screws * (4)
Dimensions
Order No
M6 x 45
DIN 912
M8 x 60
DIN 912
M10 x 80
DIN 912
VSS-B-08-G 102
VSS-P-08-G 102
VSS-B-08-G103
VSS - P - 08 - G 103
VSS-B-08-G 104
VSS-P-08-G 104
V700-71416
V700-71433
V700-71452
1” B.S.P.P
1 1/2” B.S.P.P
VS16 - 39066
VS16 - 39064
VS16 - 39082
VS16 - 39081
VS16 - 39090
VS16 - 39089
1/2 " B.S.P.P
1/2” NPTF
Order No
1” NPTF
1 1/2” NPTF
* Mounting screws are included in subplate order.
For valves ordered without subplate, mounting screws must be ordered separately.
SUBPLATE FOR VDV7/VDRV7
THROTTLE VALVE VDRV7/VDV7 - Series
NOTE : Product details are liable to change without prior notice
