99
D1WWEI01E
Motion control valves
Technical specications and diagrams are measured with mineral oil of 46 cSt viscosity at 40°C (104°F) temperature.
CC10A CC12A CC16A CC20A
Nominal ow
30 l/min
(7.9 US gpm)
60 l/min
(16 US gpm)
90 l/min
(24 US gpm)
150 l/min
(39.6 US gpm)
Max. pressure
350 bar
(5100 psi)
Oil leakage
80% of max.
pressure setting
0.25 cm
3
/min
(0.015 in
3
/min)
0.25 cm
3
/min
(0.015 in
3
/min)
0.25 cm
3
/min
(0.015 in
3
/min)
0.25 cm
3
/min
(0.015 in
3
/min)
Fluid mineral based oil
Viscosity 10-200 cSt
Max level of
contamination
20/18/14 ISO4406
Fluid
temperature
with NBR seals
with FPM seals
from -20°C
(-4°F) to 80°C (176°F)
from -20°C (-4°F) to 100°C (212°F)
Environmental temp. for
working conditions
from -20°C
(-4°F) to 50°C (122°F)
Cavity SAE 10/3 SAE 12/3 SAE 16/3 SAE 20/3
Weight
0.280 kg
(0.62 lb) 0.380 kg (0.84 lb) 0.720 kg (1.59 lb) 1.200 kg (2.64 lb)
NOTE - For dierent conditions, please contact Walvoil Sales Dpt.
• For closed center
• Line mounting
• Non aected by back pressure
• From SAE10 to SAE20 cavities
CC..A type
counterbalance valves - 3 way
1
2
3
Valve type
A B C D
mm
in
mm
in
Nm
lbft
CC10A/
4S 47.2
1.86
51
2.01
27 50
37
19
W 47.2
1.86
51
2.01
27 50
37
19
CC12A/
4S 73.5
2.89
60
2.36
32 80
59
24
4W 73.5
2.89
60
2.36
32 80
59
24
CC16A/
4S 75
2.95
69
2.72
41 100
74
27
4W 75
2.95
69
2.72
41 100
74
27
CC20A/
4S 99.5
3.92
83.5
3.29
46 100
74
36
4W 99.5
3.92
83.5
3.29
46 100
74
36
B
C
D
A
32
1
CC10A
100
D1WWEI01E
Motion control valves
CC..A type
Ordering codes and description composition
______________________________________________________
1 Cartridges
TYPE CODE DESCRIPTION
SAE cavity 10/3
CC10A/4S2B
0CC10002001 Screw type adjustment, pilo ratiio 1:4
pressure range 2
SAE cavity 12/3
CC12A/4S2B
0CC12002000 Screw type adjustment, pilo ratiio 1:4
pressure range 2
SAE cavity 16/3
CC16A/4S2B
0CC16002001 Screw type adjustment, pilo ratiio 1:4
pressure range 2
SAE cavity 20/3
CC20A/4S0B
0CC20002001 Screw type adjustment. Setting range
20-85 bar
(290-1230 psi) and standard
setting 50 bar
(725) at 5 l/min (1.3 US gpm)
CC20A/4S1B
0CC20002000 Screw type adjustment. Pilot ratio 1:4
Setting range 50-220 bar
(725-3200 psi)
and standard setting 150 bar (2170)
at 5 l/min (1.3 US gpm)
CC20A/4S2B
0CC20002002 Screw type adjustment. Pilot ratio 1:4
Setting range 100-300 bar
(1450-4350 psi)
and std. setting 150 bar (2170) at 5 l/min
(1.3 US gpm)
2 Adjustments
TYPE DESCRIPTION
S Screw
W Copped adjustment
3 Seals
TYPE DESCRIPTION
B NBR (Buna) Std conguration without addition
V For valve with FPM (Viton) o-ring seals, contact Sales
Dept.
4 Pressure setting springs
Standard setting is referred to 5 l/min (1.32 US gpm) ow
TYPE CODE DESCRIPTION
For CC10A valve
1 3ML1092502
Setting range 50-220 bar (725-3200 psi)
red band
2 3ML1092300
Setting range 180-350 bar (2600-5100 psi)
red band
3 3ML1102800
Setting range 300-700 bar (4350-10150 psi)
red band
For CC12A valve
1 3ML1133201
Setting range 50-220 bar (725-3200 psi)
blue band
2 3ML1133200
Setting range 180-350 bar (2600-5100 psi)
red band
3 3ML1133500
Setting range 300-700 bar (4350-10150 psi)
yellow band
For CC16A valve
1 3ML1164000
Setting range 50-220 bar (725-3200 psi)
blue band
2 3ML1164001
Setting range 180-350 bar (2600-5100 psi)
red band
3 3ML1164002
Setting range 300-700 bar (4350-10150 psi)
yellow band
5 Pilot ratio
TYPE DESCRIPTION
4 1:4
6 Valve body
TYPE CODE DESCRIPTION
SAE 10/3-G 3/8 3CC1030C11 Aluminium body for cavity 10 valve,
G3/8 std thread
SAE 12/3-G 1/2 3CC1230D11 Aluminium body for cavity 12 valve,
G1/2 std thread
SAE 16/3-G 3/4 3CC1630E11 Aluminium body for cavity 16 valve,
G3/4 std thread
SAE 20/3-G 1 3CC2030F21 Steel body for cavity 20 valve,
G1 std thread
Note: aluminium body can stand up to 210 bar
(3050 psi)
For steel bodies or dierent threading see from page 217
1
CC10A/4S2B
2 4 35
2
1
5 4
6
3
Counterbalance valves - 3 way
101
D1WWEI01E
Motion control valves
CC..A type
CC10A pressure drop vs ow
CC16A pressure drop vs ow
Flow
(l/min)
61218243036
42
0
0246
810
(US gpm)
Pressure
(bar)
0
6
24
18
12
30
2->3
3->2
(psi)
0
100
200
300
400
CC12A pressure drop vs ow
(psi)
Flow
(l/min)
12 24 36 48 60 72
84
0
0510
15 20
(US gpm)
Pressure
(bar)
0
4
8
16
12
20
2->3
3->2
50
100
150
200
250
0
Flow
(l/min)
20 40 60 80 100120
140
0
Pressure
(bar)
0
5
25
10
15
20
2->3
3->2
612182430
36
(psi)
0
0
50
100
150
200
250
300
350
(US gpm)
Flow
(l/min)
30 60 90 120
150
0
Pressure
(bar)
0
2
4
6
8
10
612182430
36
0
(US gpm)
30
60
90
0
120
(psi)
2->3
3->2
CC20A pressure drop vs ow
___________________________________________________________________________________________
Rating diagrams
Counterbalance valves - 3 way