49
D1WWEL01E
Pressure control valves
• Double antishock direct acting relief valve
Type VAIL
pressure relief valves
D2D1
D2D1
Technical specications and diagrams are measured with mineral oil of 46 cSt viscosity at 40°C (104°F) temperature.
VAIL 5-38 VAIL 5-12 VAIL 10-12 VAIL 10-34 VAIL 20-34 VAIL 20-100
Nominal ow
25 l/min
(6.6 US gpm)
35 l/min
(9.2 US gpm)
70 l/min
(18.4 US gpm)
70 l/min
(18.4 US gpm)
100 l/min
(26.4 US gpm)
120 l/min
(31.7 US gpm)
Max. pressure
Aluminium body = 210 bar
(3050 psi)
Steel body = 350 bar (5100 psi)
Oil leakage at 80%
of max. setting
3 cm
3
/min (0.18 in
3
/min)
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 temp.
for working conditions
from -40°C
(-40°F) to 100°C (212°F)
Weight
aluminium
0.67 kg
(1.48 lb) 0.69 kg (1.52 lb) 1.12 kg (2.47 lb) 1.10 kg (2.43 lb) 1.87 kg (4.12 lb) 1.85 kg (4.08 lb)
steel
1.31 kg
(2.89 lb) 1.35 kg (2.98 lb) 2.20 kg (4.85 lb) 2.11 kg (4.65 lb) 3.55 kg (7.83 lb) 3.93 kg (8.66 lb)
NOTE - For dierent conditions, please contact Walvoil Sales Dpt.
50
D1WWEL01E
Pressure control valves
D1 D2
D1
D2
D1 D2
H
E L
M
E
I H
D
A
C
A
D
B
F
G
C
ØN
n°2 holes
Valve type A B C D E F G H I L M ØN
VAIL 5-38
VAIL 5-38/SAE
25-0.98 70-2.75 23.5-0.92 10-0.39 60-4.92 17.5-0.69 35-1.38 18-0.70 34-1.34 70-2.75 35-1.38 6.5-0.25
VAIL 5-12
VAIL 5-12/SAE
25-0.98 70-2.75 23.5-0.92 10-0.39 60-4.92 17.5-0.69 35-1.38 18-0.70 39-1.53 75-2.95 37.5-1.48 6.5-0.25
VAIL 10-12
VAIL 10-12/SAE
29-1.41 82-3.23 25-0.98 8.5-0.33 67-2.64 20-0.79 40-1.57 20-0.79 50-1.97 90-3.54 45-1.77 8.5-0.33
VAIL 10-34
VAIL 10-34/SAE
29-1.41 82-3.23 25-0.98 8.5-0.33 67-2.64 20-0.79 40-1.57 20-0.79 50-1.97 90-3.54 45-1.77 8.5-0.33
VAIL 20-34
VAIL 20-34/SAE
31.5-1.84 95-3.74 30.5-1.2 10-0.39 76.5-3.01 25-0.98 50-1.97 22-0.87 56-2.20 100-3.93 50-1.97 8.5-0.33
VAIL 20-100
VAIL 20-100/SAE
31.5-1.84 95-3.74 30.5-1.2 10-0.39 76.5-3.01 25-0.98 50-1.97 32-1.26 56-2.20 120-4.72 60-2.36 8.5-0.33
Dimensions are in mm-in
VAIL
Valve type All ports
VAIL 5-38/SAE
SAE8
VAIL 5-12/SAE
SAE10
VAIL 10-12/SAE
SAE10
VAIL 10-34/SAE
SAE12
VAIL 20-34/SAE
SAE12
VAIL 20-100/SAE
SAE16
Dimensions
__________________________________________________________________________________________________
Valve type All ports
VAIL 5-38 G3/8
VAIL 5-12 G1/2
VAIL 10-12 G1/2
VAIL 10-34 G3/4
VAIL 20-34 G3/4
VAIL 20-100
G1
Pressure relief valves
51
D1WWEL01E
Pressure control valves
VAIL
______________________________________________________
Ordering codes and description composition
VAIL complete valves
With direct acting valves: standard setting 160 bar @ 5 l/min (2300 psi
at 1.32 US gpm)
TYPE CODE DESCRIPTION
Conguration with G3/8 standard thread
VAIL 5-38/TS.S 1140021102 Aluminium body, range
50-220 bar
(725-3200 psi)
VAIL 5-38/TS.S/ac 1140022100 Steel body, as previous one
Conguration with G1/2 standard thread
VAIL 5-12/TS.S 1140021152 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 5-12/TS.S/ac 1140022150 Steel body, as previous one
VAIL 10-12/TS.S 1140031102 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 10-12/TS.S/ac 1140032101 Steel body, as previous one
Conguration with G3/4 standard thread
VAIL 10-34/TS.S 1140031152 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 10-34/TS.S/ac 1140032150 Steel body, as previous one
VAIL 20-34/TS.S 1140041102 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 20-34/TS.S/ac 1140042101 Steel body, as previous one
Conguration with G1” standard thread
VAIL 20-100/TS.S 1140041152 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 20-100/TS.S/ac 1140042151 Steel body, as previous one
Conguration with SAE8 standard thread
VAIL 5-38/TS.S/SAE 1140021200 Aluminium body, range
50-220 bar
(725-3200 psi)
Conguration with SAE10 standard thread
VAIL 5-12/TS.S/SAE 1140021250 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 10-12/TS.S 1140031200 Aluminium body, setting range
50-220 bar
(725-3200 psi)
Conguration with SAE12 standard thread
VAIL 10-34/TS.S/SAE 1140031250 Aluminium body, setting range
50-220 bar
(725-3200 psi)
VAIL 20-34/TS.S/SAE 1140041200 Aluminium body, setting range
50-220 bar
(725-3200 psi)
Conguration with SAE16 standard thread
VAIL 20-100/TS.S/SAE 1140041250 Aluminium body, setting range
50-220 bar
(725-3200 psi)
For other steel body congurations, SAE thread and congurations with
FP
M (Viton) seals please contact our Sales Dpt.
1 Direct acting pressure relief valves
Standard setting 160 bar @ 5 l/min (2300 psi at 1.32 US gpm)
TYPE CODE DESCRIPTION
For G1/2 and G3/4 ports conguration
VMP 5/TS.S
1100520400 Setting range 50-220 bar (725-3200 psi)
VMP 10/TS.S
1100530400 Setting range 50-220 bar (725-3200 psi)
For G3/4 and G1” ports conguration
VMP 20/TS.S
1100540400 Setting range 50-220 bar (725-3200 psi)
2 Pressure setting spring
CODE TYPE DESCRIPTION
For VMP 5 valve
TB 3MOL314311 Setting range 5-40 bar
(72.5-580 psi)
TV 3MOL314330 Setting range 20-80 bar (290-1160 psi)
TS
3MOL315330
Setting range 50-220 bar (725-3200 psi)
TR
3ML1143600
Setting range 180-350 bar (2600-5100 psi)
For VMP 10 valve
TB 3ML1154100 Setting range 5-40 bar
(72.5-580 psi)
TV 3ML1154300 Setting range 20-80 bar (290-1160 psi)
TS
3ML1164200
Setting range 50-220 bar (725-3200 psi)
TR
3ML1164400
Setting range 180-350 bar (2600-5100 psi)
For VMP 20 valve
TB 3MOL316410 Setting range 5-40 bar
(72.5-580 psi)
TV 3ML1154300 Setting range 20-80 bar (290-1160 psi)
TS
3MOL317420
Setting range 50-220 bar (725-3200 psi)
TR
3MOL317440
Setting range 180-350 bar (2600-5100 psi)
VAIL 5-38/TS.S
2
Port size
2
1
1
1 1
Pressure relief valves
52
D1WWEL01E
Pressure control valves
Rating diagrams
____________________________________________________________________________________________
VAIL
VAIL 5 pressure vs. ow
Std. setting @ 5 l/min
(1.32 US gpm)
VAIL 10 pressure vs. ow
Std. setting @ 5 l/min
(1.32 US gpm)
VAIL 20 pressure vs. ow
Std. setting @ 5 l/min
(1.32 US gpm)
Flow
(l/min)
4812 16 20 24
28
0
02 4
6
Pressure
(bar)
0
320
240
160
80
400
TS: 160 bar (2300 psi)
TR: 280 bar (4100 psi)
TV: 60 bar (870 psi)
TB: 30 bar (435 psi)
0
300
0
5000
(psi)
(US gpm)
1000
2000
4000
Flow
(l/min)
10 20 30 40 50 60
70
0
0510
15
Pressure
(bar)
0
320
240
160
80
400
TS: 160 bar (2300 psi)
TR: 280 bar (4100 psi)
TV: 60 bar (870 psi)
TB: 30 bar (435 psi)
0
300
0
5000
(psi)
(US gpm)
1000
2000
4000
Flow
(l/min)
20 40 60 80 100 120
140
0
Pressure
(bar)
0
320
240
160
80
400
TS: 160 bar (2300 psi)
TR: 280 bar (4100 psi)
TV: 60 bar (870 psi)
TB: 30 bar (435 psi)
0
300
0
5000
(psi)
(US gpm)
1000
2000
4000
01020
30
Pressure relief valves