0
5
10 15
20
25
30
35
0
3
6
9
12
15
P
R
E
S
S
U
R
E
(
B
A
R
)
1.3
2.6 3.9
5.2
6.5 7.8 10.4
P
R
E
S
S
U
R
E
(
P
S
I
)
0
45
90
130
175
210
FLOW (LITRES/MIN)
FLOW (US GPM)
40
9.1
3-1, 2-1 & 4-1
3-2 & 3-4
2-1 & 4-1
A
B (4)
A (2)
B
T (1)
P (3)
COIL A
COIL B
432
1
S571 Directional Control Valve - 4-Way, 3-Position Spool
Up to 34 litres/min (8.7 US GPM) Up to 210 bar (3000 PSI)
S571
COIL INFORMATION
PRESSURE DROP v’s FLOW
SPECIFICATIONS
Integrated Hydraulics Ltd Integrated Hydraulics Inc
Collins Road, Heathcote Ind. Est., Warwick, CV34 6TF, UK. 7047 Spinach Drive, Mentor, Ohio 44060, USA
Tel: +44 (0) 1926 881171 Fax: +44 (0) 1926 315729 Tel: (440) 974 3171 Fax: (440) 974 3170
Website: www.integratedhydraulics.com Website: www.integratedhydraulics.com
11-3611.A
Basic Model Code
Symbol
Max. Working Pressure
Flow Rating
Temperature Range
Nominal Viscosity Range
Recommended Filtration
Fluid
Seal Material
Mounting Position
Cartridge Weight
Coil Weight
Cavity Number
S571
210 bar (3000 psi)
See performance graphs
Less than 120 ml/min past each land
210 bar differential at 32 centistokes
-20 to +120°C (-4 to +248°F)
15 to 250 centistokes
BS5540/4 18/13 (25 micron or better)
Compatible with most general
purpose hydraulic fluids
Standard nitrile with PTFE back up rings
Unrestricted
0.25 kg (0.5 lbs)
0.3 kg (0.6 lbs) - two per valve
A12744 (See Section 17)
Torque into Cavity 30 Nm (22 lbs ft)
Electrical Data See coil data sheet
Internal Leakage
18 litres/min (4.7 US GPM)
Nominal Flow
(at Delta P = 5 bar (70 psi))
FEATURES
High flow capacity with reduced space requirements.
No dynamic seals.
Standard valve bodies and common cavities.
One-piece encapsulated coil with minimal amperage draw.
Oil immersed armature solenoid.
Various coil terminals and voltages.
Coil interchangeability with all Series S5 valves.
Manual override, seal variations and other options available.
Sealed coil arrangement to protect stem from corrosion.
Line Body Material Aluminium Alloy
Viscosity = 32 cSt (150 SSU)
11
(See Page 11-1021)
Part Number: C16-*-*/19 (two per valve)
Voltage available: 12, 24 VDC
110, 220 VAC*
* AC coils must be used with a rectifying connector.
Seal Kit Number
SK1034 (Nitrile) SK1034V (Viton)
4
2
1
3
2 HOLES
ø7.1 THRO'
1
8
.
5
0
31.80
16.00
8
2
.
6
0
5
0
.
5
0
31.80
7
3
.2
0
63.50
50.80
6.35
3
4
.
5
0
4
3
2
1
27.00 A/F
7/8"-14-UNF-2A
5
0
.
0
0
35.50
21.00
49.00
1
2
.
0
0
ø17.40
ø15.80
ø19.00
6
2
.
5
0
5
0
.
0
0
1
2
5
.0
0
0
5
10 15
20
25 30
35
0
50
100
150
200
250
W
O
R
K
I
N
G
P
R
E
S
S
U
R
E
(
B
A
R
)
1.3
2.6
3.9
5.2
6.5 7.8
W
O
R
K
I
N
G
P
R
E
S
S
U
R
E
(
P
S
I
)
0
725
1450
FLOW (LITRES/MIN)
2175
2900
3625
40
9.1
10.4
FLOW (US GPM)
3-2
3-4
0
5
10
15
20 25 30
35
0
50
100
150
200
250
W
O
R
K
I
N
G
P
R
E
S
S
U
R
E
(
B
A
R
)
1.3
2.6 3.9
5.2
6.5 7.8
W
O
R
K
I
N
G
P
R
E
S
S
U
R
E
(
P
S
I
)
0
725
1450
FLOW (LITRES/MIN)
FLOW (US GPM)
9.1
2175
2900
3625
40
10.4
3-2-4-1 & 3-4-2-1
ORDERING CODE EXAMPLE
We reserve the right to change specifications without notice
11-3612.B
CARTRIDGE ONLY COMPLETE VALVE
PERFORMANCE
Where measurements are critical request certified drawings
BASIC CODE: S571 BASIC CODE: S571
3/8” 1/2” PORTS
11
FLOWING IN ONE DIRECTION ONLY
NOTE: Higher flows available on request
FLOWING BACK THROUGH THE VALVE
PERFORMANCE
Body ONLY part numbers
BSP, aluminium
3/8” B19240
1/2” B19228
SAE, aluminium
1/2” B19229
Basic Code
S571
Seals
N = Nitrile
V = Viton
Voltage
12 = 12 VDC 110 = 110 VAC
24 = 24 VDC 220 = 220 VAC
Coil Termination
H = DIN43650
F = Flying Leads
DM = Deutsch Moulded
Other terminations available on request
Port Sizes
3W = 3/8” BSP
4W = 1/2” BSP 8T = 1/2” SAE
Manual Override (consult factory for availability)
4 = Push/Pull
S571 N H 24 3W
