1/20
RE 29061/10.05
4/2 and 4/3 proportional directional
Replaces: 02.03
valves direct operated,
with electrical position feedback,
without/with integrated electronics (OBE)
Types 4WRE and 4WREE
Nominal sizes 6 and 10 H5881 H5732
Component series 2X
Type 4WREE 10 & -2X/G24K31/A1V
Type 4WRE 6 & -2X/G24K4/V
Maximum operating pressure 315 bar
with integrated electronics (OBE)
with plug-in connectors and
Maximum flow: 80 l/min (NS6)
associated control electronics
180 l/min (NS10)
(separate order)
Overview of contents Features
Contents Page Direct operated proportional directional valve with electrical
posisiton feedback and integrated electronics (OBE) for type
Features 1
4WREE
Ordering details 2
Closed loop control of the direction and size of a flow
Symbols 3
Operation is by proportional solenoids with a central thread
Function, section 4
and removable coil
Technical data 5, 6
For subplate mounting: Porting pattern to ISO 4401
Control electronics 6
Subplates to catalogue sheets RE 45052 (NS6) or RE 45054
Electrical connections, plug-in connectors 7, 8 (NS10), separate order, see pages 16 ...19
Integrated electronics (OBE) for type 4WREE 8, 9 Spring centred control spool
Characteristic curves 10...15 Control electronics
" 4WREE
Unit dimensions 16...19
- integrated electronics (OBE) with voltage input or current
input (A1 resp. F1)
" 4WRE (4/3 version), separate order:
- digital or analogue amplifier in Eurocard format
- analogue module amplifier
" 4WRE& A (4/2 version), separate order:
- analogue module amplifier
For information regarding the available spare parts see:
www.boschrexroth.com/spc
2/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Ordering details
4WRE 2X G24 V
*
Without integrated
Further details
electronics (OBE) = No code
in clear text
With integrated
Seal material
electronics (OBE) = E
V = FKM seals,
suitable for mineral oil
Nominal size 6 = 6
(HL, HLP) to DIN 51524
Nominal size 10 = 10
Electronic interfaces A1 or F1
A B
Spool symbols
For 4WREE
a 0 b
A1 = Command value input ą 10 VDC
F1 = Command value input 4 to 20 mA
P T
No code = For 4WRE
Electrical connections
= E
For 4WRE:
E1
K4 = Without plug-in connector, with
component plug
to DIN EN 175301-803
Plug-in connector (solenoid, position
= V
transducer).
separate order, see page 7
For 4WREE:
K31 = Without plug-in connector, with
= W component plug to DIN EN 175201-804
W1 Plug-in connector separate order,
see page 8
G24 = Power supply voltage 24 VDC
2X = Component series 20 to 29
A B
(20 to 29: unchanged installation and
a 0
connection dimensions)
Nominal flow at a valve pressure differential "p = 10 bar
P T
NS6
08 = 8 l/min
16 = 16 l/min
= EA
32 = 32 l/min
NS10
25 = 25 l/min
= WA
50 = 50 l/min
75 = 75 l/min
With symbols E1and W1:
P A: qV max B T: qV/2
P B: qV/2 A T: qV max
Note:
For spools W and WA there is, in the
neutral position, a connection between A
to T and B to T with approx. 3 % of the
relevant nominal cross-section.
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 3/20
Symbols
Proportional directional valves without integrated electronics Proportional directional valves with integrated electronics
Type 4WRE& Type 4WREE&
A B A B
G
G
a b a b
0 0
a
ab b
P T P T
Type 4WRE& A& Type 4WREE& A&
A B
A B
G
G
a
0
a
0
a
b
a
b
P T
P T
4/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Function, section
The 4/2 and 4/3 proportional directional valves are direct Function:
operated components of subplate mounting design. They are
With the solenoids (5 and 6), de-energised, the control spool
operated by proportional solenoids with central thread and
(2) is held in the central position by the compression springs
removalbe coil. The solenoids are optionally controlled by either
(3 and 4) between the spring plates (X1 and X2)
external electronics (type 4WRE) or by the integrated
Direct operation of the control spool (2) by energising one of
electronics (type 4WREE).
the proportional solenoids, e.g. control of solenoid "b" (6)
Design:
Movement of the control spool (2) to the left in
The valve basically consists of:
proportion to the electrical input signal
Housing (1) with mounting face
Connection from P to A and B to T via orifice-like cross-
Control spool (2) with compression springs (3 and 4) and sections with progressive flow characteristics
spring plates (X1 and X2)
De-energising of solenoids (6)
Solenoids (5 and 6) and pole tubes (P1 and P2) with central
The control spool (2) is returned to the central position via
thread
the compression spring (3)
Position transducer (7)
In the de-energised condition the spool (2) is held in a
Optional integrated control electronics (8) mechanical centre position by the solenoid return springs. This,
for the spool symbol "V", does not relate to the hydraulic centre
The mechanical zero point adjustment (9) is accessible via
position! When the electrical valve closed loop control circuit is
the Pg13.5 and the electrical zero point is accessible via the
closed then the spool is positioned in the hydraulic centre
Pg7 (10) (type 4WREE)
position.
Type 4WRE 6& -2X/&
A B
X1 X2
a b
A T B
(P)
P 8 P
97 5 1 3 2 10 1 4 2 11 6
Type 4WREE 6& -2X/&
X2
a b
A T B
(P)
9 7 5 P 3 X1 2 1 4 11 P 6
1 2
Valve with 2 switching positions: (type 4WRE& A& ) Note for type 4WRE 6& -2X/&
The function of this valve version is basically the same as that
Draining of the tank line is to be prevented. Taking the
of the valve with 3 switched positions. The 2 switched position
insallation conditions into account a back pressure is to be
valves are however only fitted with solenoid "a" (5). a plug (11)
fitted (back pressure approx. 2 bar).
is fitted in place on the 2nd proportional solenoid.
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 5/20
Technical data (for applications outside these parameters, please consult us!)
General
Nominal size NS 610
Installation optional, preferably horizontal
Storage temperature range C 20 to +80
Ambient 4WRE C 20 to +70
temperature range 4WREE C 20 to +50
Weight 4WRE kg 2.2 6.3
4WREE kg 2.4 6.5
Hydraulic (measured with HLP46, Ńoil = 40 C ą 5 C and p =100 bar)
Max. operating pressure Ports A, B, P bar 315
Port T bar 210
Nominal flow qV nom at "p = 10 bar l/min 8, 16, 32 25, 50, 75
Max. permissible flow l/min 80 180
Pressure fluid Mineral oil (HL, HLP) to DIN 51524
other pressure fluids on request!
Pressure fluid temperature range C 20 to +80 (preferably +40 to +50)
Viscosity range mm2/s 20 to 380 (preferably 30 to 46)
Max. permissible degree of pressure fluid contamination. class 20/18/15 1)
Cleanliness class to ISO 4406 (c)
Hysteresis % d" 0.1
Reversal span % d" 0.05
Response sensitivity % d" 0.05
Zero point displacement with changes to the %/10 K 0.15
pressure fluid temperature and operating temperature %/100 bar 0.1
1)
The cleanliness class stated for the components must be
adhered too in hydraulic systems. Effective filtration prevents
faults from occurring and at the same time increases the
component service life.
For the selection of filters see catalogue sheets RE 50070,
RE 50076, RE 50081, RE 50086 and RE 50088.
6/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Technical data (for applications outside these parameters, please consult us!)
Electrical
Nominal size NS 610
Voltage type DC
Command value signal Voltage input A1 V ą10 (see page 8)
for 4WREE Current input F1 mA 4 bis 20 (see page 8)
Solenoid coil Cold value at 20 C &! 2.7 3.7
resistance Max. warm value &! 4.05 5.55
Duty % 100
Max. coil temperature 1) C 150
Electrical connections 4WRE with component plug DIN EN 175301-803 and ISO 4400
see pages 7 and 8 plug-in connector to DIN EN 175301-803 and ISO 4400 2)
4WREE with component plug DIN EN 175201-804
plug-in connector DIN EN 175201-804 2)
Valve protection to EN 60529 IP65 with mounted and fixed plug-in connector
Control electronics
For 4WRE 4/3 version
Amplifier in digital VT-VRPD-2-2X/V0/0 to RE 30126
Eurocard format 2)
analogue VT-VRPA2-1-1X/V0 VT-VRPA2-2-1X/V0
to RE 30119 to RE 30119
Modular amplifier 2) analogue VT-MRPA2-1 VT-MRPA2-2
to RE 30219 to RE 30219
For 4WRE& A& 4/2 version
Modular amplifier 2) analogue VT-MRPA1-1 VT-MRPA1-2
to RE 30219 to RE 30219
For 4WREE integrated in the valve, see page 9
Analogue command value module VT- SWMA-1-1X/... to RE 29902
Analogue command value module VT-SWMKA-1-1X/... to RE 29903
Analogue command value card VT-SWKA-1-1X/... to RE 30255
Digital command value card VT-HACD -1-1X/... to RE 30143
Supply voltage Nominal voltage VDC 24
Lower limiting value V 19.4
Upper limiting value V 35
Amplifier power Imax A < 2
consumption Impulse current A 3
1)
Due to the occurring surface temperature of the solenoid Note: For details regarding the environmental
coils, the European Standards EN 563 and EN 982 are to simulation test covering EMC (electro-
be taken into account! magnetic compatibility), climate and
2)
mechanical loading see RE 29061-U
Separate order
(declaration regarding environmental
compatibility).
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 7/20
Electrical connections, plug-in connectors (nominal dimensions in mm)
For type 4WRE (without integrated electronics)
Connections on the component plug Connections on the plug-in connector
PE
PE
1 2 1 2
PE PE
1 2
1 2
To the amplifier To the amplifier
27,5
Plug-in connector CECC 75 301-803-A002FA-H3D08-G
10A
250V 2
to DIN EN 175301-803 and ISO 4400
Solenoid a, colour grey 1
Separate order under Material No. R901017010
10
43
Solenoid b, colour black
Separate order under Material No. R901017011
1 fixing screw M3
Tightening torque MA = 0,5 Nm
1
Inductive position transducer
Coil connections
Connection to the plug connector
To the amplifier
Signal ground
Supply ground
2 1 4 2
4 3 1 3
Signal
Supply
Coil
Pg7
37
16
Plug-in connector 4-pin Pg7-G4W1F
Separate order under Material No. R900023126
Connection cable:
Recommended: Up to 50 m cable length type LiYCY 4 x 0.25 mm2
Only connect screen to PE on the supply side.
GDM
18
34,2
5,5
To the amplifier
15
23
7,8
8/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Integrated electronics (OBE) for type 4WREE (nominal dimensions in mm)
For type 4WREE (with integrated electronics (OBE)
Plug-in connector to DIN EN 175201-804
Separate order under Material No. R900021267 (plastic version)
Angled form separate order under Material No. R9000217845
Fo pin allocation also see block circuit diagram, page 9
91
A
F
B
C
Plug-in connector to DIN EN 175201-804
E
D
Separate order under Material No. R900223890 (metal version)
85
Component plug allocation Contact Interface A1 signal Interface F1 signal
Supply voltage A 24 VDC (u(t) = 19.4 to 35 V); Imax = 2 A
B0 V
Reference potential actual value C ref. contact F; Re > 50 k&! ref. contact F; Re < 10 &!
Differential amplifier input D ą 10 V command value; Re > 50 k&! 4 to 20 mA command value; Re > 100 &!
E reference potentional command value
Measurement output (actual value) F ą 10 V actual value 4 to 20 mA actual value,
(limiting load 5 mA) load resistance max. 300 &!
PE connected with cooling body and valve housing
Command value: A positive command value 0 to +10 V (or 12 to 20 mA) at D and the reference potential at E results in a flow
from P to A and B to T.
A negative command value 0 to 10 V (or 12 to 4 mA) at D and the reference potential at E results in a flow
from P to B and A to T.
For a valve with 1 solenoid on side a (e.g. spool variants EA and WA) a positive command value 0 to +10 V
(or 4 to 20 mA) at D and the reference potential at E results in a flow from P to B and A to T.
Actual value: Actual value 0 to +10 V resp. 12 to 20 mA at F and the reference potential at C results in flow from P to A
and B to T, 0 to 10 V resp. 4 to 12 mA results in flow from P to B and A to T.
For a valve with 1 solenoid results 4 to 20 mA at F and the reference potential at C results in flow from P to A
and B to T.
Connection cable: Recommended: up to 25 m cable length type LiYCY 7 x 0.75 mm2
up to 50 m cable length type LiYCY 7 x 1.0 mm2
For outside diameter see plug-in connector sketch
Only connect screen to PE on the supply line.
27
6,5& 11
8& 13,5
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 9/20
Integrated electronics (OBE) for type 4WREE
Block circuit diagram / connection allocation
Interface Integrated electronics (OBE) Valve
Differential
D
amplifier
Command value
U
U
I
U
Ramp
E
Ref. potential
generator 2)
Controller
F
Actual value
Actual value
U
U
U
I
C
Ref. potential
Under voltage
recognition
Interlock
Power supply
A
+ Ui
Supply Oscillator
24 V
U
0 V
B
U
=
voltage
GND Ui
H"
PE
Demodulator
Protective
=
conductor 1)
H"
Position
Sensitivity Zero point 3) transducer
Note: Electrical signals processed by control electronics (e.g. actual value) must not be used for switching off safety
relevant machine functions!
(Also see the European Standard "Safety requirements of fluid power systems and components hydraulics ,
EN 982!)
1)
ą10V/4...20 mA actual position
The protective conductor (PE) is connected to the cooling body and the
valve housing!
+ 24V
2)
The ramp is externally adjustable from 0 to 2.5 s; the same applies for T
A
up 0V
and Tdown F B
3)
Zero point is externally adjustable
E C
Reference actual position
D
ą10V/4...20 mA signal input
2)
3)
Reference input
Symbol
A B
A
F B
a 0 b
a G b
E C
P T
D
WREE 6 W1-08-20/
Zero G24K31/A1V
0000003
A035276
00929812
2154557301
Material No.
Valve type
Consecutive valve number within
Internal manufacturing
the manufacturing order
order No.
Build year, build week +
country identification
10/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Characteristic curves for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C) NS6 and 10
Pressure-signal-characteristic curves (V spool), ps = 100 bar
NS6
NS10
100
100
80
80
60
60
40
40
20
20
5 3 1 1 3 5
5 3 1 1 3 5
20
20
40
40
60
60
80
80
100
100
UE UE
! in % ! in %
UEN UEN
Leakage flow with the spool in the central position
Type 4WREE 10 V75
Type 4WREE 6 V32
2
2
1
1
0 50 100 150 200 210 250 300 315
0 50 100 150 200 210 250 300 315
Operating pressure in bar
Operating pressure in bar
L
L
S
S
"
p
p
"
p
p
!
in %
!
in %
Leakage flow in l/min
Leakage flow in l/min
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 11/20
Characterisitc curves for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C and p =100 bar) NS6
8 l/min nominal flow at a 10 bar valve pressure differential
30
1 "p = 10 bar constant
5
P A / B T
2 "p = 20 bar constant
or
20
3 "p = 30 bar constant
4
P B / A T 3
4 "p = 50 bar constant
2
10
5 "p = 100 bar constant
1
V spool
0 10 20 30 40 50 60 70 80 90 100
E and W spools
15 20 30 40 50 60 70 80 90 100
Command value in %
16 l/min nominal flow at a 10 bar valve pressure differential
60
1 "p = 10 bar constant
5
P A / B T 2 "p = 20 bar constant
or 3 "p = 30 bar constant
50
P B / A T 4 "p = 50 bar constant
4
5 "p = 100 bar constant
40
3
30
2
20
1
10
V spool
0 10 20 30 40 50 60 70 80 90 100
E and W spools
15 20 30 40 50 60 70 80 90 100
Command value in %
32 l/min nominal flow at a 10 bar valve pressure differential
120
1 "p = 10 bar constant
P A / B T
110 5
2 "p = 20 bar constant
or
100
3 "p = 30 bar constant
P B / A T
90
4 "p = 50 bar constant
80 5 "p = 100 bar constant
4
70
Max. permissible flow
60
3
Note:
50
Take the performance limits on page
2
40 15 into account!
1
30
"p = Valve pressure differential (inlet pressure
20
pP minus load pressure pL minus return
pressure pT)
10
0 10 20 30 40 50 60 70 80 90 100 V spool
E and W spools
15 20 30 40 50 60 70 80 90 100
Command value in %
Flow in l/min
Flow in l/min
Flow in l/min
12/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Charateristic curves for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C and p = 100 bar) NS10
80
5
1 "p = 10 bar constant
25 l/min nominal flow at a 10 bar valve pressure differential
2 "p = 20 bar constant
P A / B T
70
3 "p = 30 bar constant
or
4 "p = 50 bar constant
60
P B / A T
4
5 "p = 100 bar constant
50
3
40
2
30
1
20
10
V spool
0 10 20 30 40 50 60 70 80 90 100
E and W spools
10 20 30 40 50 60 70 80 90 100
Command value in %
150
5 1 "p = 10 bar constant
50 l/min nominal flow at a 10 bar valve pressure differential
2 "p = 20 bar constant
125 P A / B T
3 "p = 30 bar constant
or
4 "p = 50 bar constant
4
P B / A T
100
5 "p = 100 bar constant
3
75
2
50
1
25
V spool
0 10 20 30 40 50 60 70 80 90 100
E and W spools
10 20 30 40 50 60 70 80 90 100
Max. permissible flow
Command value in %
Note:
Take the performance limits on page
300
75 l/min nominal flow at a 10 bar valve pressure differential 5
15 into account!
275
P A / B T
250
1 "p = 10 bar constant
or
225
2 "p = 20 bar constant
P B / A T
200 3 "p = 30 bar constant
4
180
4 "p = 50 bar constant
175
150 5 "p = 100 bar constant
3
125
2 "p = Valve pressure differential (inlet
100
pressure pP minus load pressure pL
1
75
minus return pressure pT)
50
25
0 10 20 30 40 50 60 70 80 90 100 V spool
10 20 30 40 50 60 70 80 90 100 E and W spools
Command value in %
Flow in l/min
Flow in l/min
Flow in l/min
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 13/20
Transient function with a stepped form of electrical input signal for type 4WREE NS6
(measured with HLP46, Ńoil = 40 C ą 5 C and ps =10 bar)
4/3 valve version
Signal change in %
Spool symbol E
100
0 100 0
90
80
0 75 0
70
60
0 50 0
50
40
30
0 25 0
20
10
0 10 20 30 40 0 10 20 30
Time in ms
Frequency response characteristic curves for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C, ps = 10 bar) NS6
4/3 valve version
Spool symbol V
5
315
0
270
3
5 225
10 180
135
15
20 90
25
45
30 0
1 10 20 30 50 100 200
Frequency in Hz
Signal ą 10 %
Signal ą 25 %
Signal ą 100 %
Stroke in %
Phase angle in
Amplitude relationship in dB
14/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Transient function with a stepped form of electrical input signal for type 4WREE NS10
(measured with HLP46, Ńoil = 40 C ą 5 C and ps =10 bar)
4/3 valve version
Signal change in %
Spool symbol E
100
0 100 0
75
0 75 0
50 0 50 0
25 0 25 0
0
0 20 40 60 20 40 60
Time in ms
Frequency response characteristic curves for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C, ps = 10 bar) NS10
4/3 valve version
Spool symbol V
5
315
0
270
3
5
225
10 180
15 135
20 90
25 45
0
30
110 50 100 200
20 30
Frequency in Hz
Signal ą 10 %
Signal ą 25 %
Signal ą 100 %
Stroke in %
Phase angle in
Amplitude relationship in dB
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 15/20
Flow for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C) NS6
Load function with maximum valve opening
Nominal flows 8, 16 and 32 l/min
Spool symbol V
Max. permissible
200
flow
100
80
32
16
P A / B T
08
or
P B / A T
10
1
50 100 200 300
10 20
Valve pressure differential in bar
Take the maximum permissible flow of 80 l/min into account!
Flow for type 4WREE (measured with HLP46, Ńoil = 40 C ą 5 C) NS10
Load function with maximum valve opening
Nominal flows 25, 50 and 75 l/min
Spool symbol V
qVmax = 375 l/min
q H" 375l/min
Vmax
400
Max. permissible
flow
75
180
P A / B T
50
100
or
P B / A T
25
50
25
10
10 20 50 100 200 300
Valve pressure differential in bar
Take the maximum permissible flow of 180 l/min into account!
Flow in l/min
Flow in l/min
16/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Unit dimensions: type 4WRE 6 (nominal dimensions in mm) NS6
6 2 9
4 10 5 3
1
A B
a
b
13,5
44
8,5
69
139
(123)
203
262
11
8 7
15
0,01/100mm
T
Rzmax 4
F1
F2
A B
Required surface finish of the
F4 G
F3
P
valve mounting surface
72
Tolerances to: General tolerances ISO 2768-mK
1 Valve housing Subplates to catalogue sheet RE 45052 and valve fixing
screws must be ordered separately.
2 Proportional solenoid "a" with inductive position transducer
Subplates: G341/01 (G1/4)
3 Proportional solenoid "b"
G342/01 (G3/8)
4 Plug-in connector "A", colour grey,
G502/01 (G1/2)
separate order see page 7
Valve fixing screws (separate order)
5 Plug-in connector "B", colour black,
The following valve fixing screws are recommended:
separate order see page 7
4 S.H.C.S. ISO 4762 - M5 x 50 - 10.9-flZn-240h-L
6 Plug-in connector for inductive position transducer,
(friction value total = 0.09 to 0.14)
separate order see page 7
Tightening torque MA = 7 Nm ą 10%
7 Plug for valves with one solenoid
Material No. R913000064 (separate order)
(2 switching positions, versions EA or WA)
or
8 Identical seal rings for ports A, B, P and T
4 S.H.C.S. ISO 4762 - M5 x 50 - 10.9
9 Space required to remove the plug-in connector
(friction value total = 0.12 to 0.17)
Tightening torque MA = 8.9 Nm ą 10%
10 Name plate
11 Machined valve mounting surface,
connection location to ISO 4401 (with locating pin hole)
Code: 4401-03-02-0-94 (explanation to ISO 5783)
Deviation from the standard:
- without locating pin hole G
- ports P, A, B and T mit 8 mm
15
85,5
47
42
23
8
47
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 17/20
Unit dimensions: type 4WREE 6 (nominal dimensions in mm) NS6
13 2 12
10
1
7
3
a
b
13,5
44
8,5
69
139
(123)
203
262
8
T
A
B
P
15
11
0,01/100mm
T
Rzmax 4
F1
F2
A B
F4 G Required surface finish of the
F3
P
valve mounting surface
72
Tolerances to: General tolerances ISO 2768-mK
1 Valve housing
2 Proportional solenoid "a" with inductive position transducer Subplates to catalogue sheet RE 45052 and valve fixing
screws must be ordered separately.
3 Proportional solenoid "b"
Subplates: G341/01 (G1/4)
7 Plug for valves with one solenoid
G342/01 (G3/8)
(2 switching positions, versions EA or WA)
G502/01 (G1/2)
8 Identical seal rings for ports A, B, P and T
Valve fixing screws (separate order)
10 Name plate
The following valve fixing screws are recommended:
11 Machined valve mounting surface,
4 S.H.C.S. ISO 4762 - M5 x 50 - 10.9-flZn-240h-L
connection location to ISO 4401 (with locating pin hole)
(friction value total = 0.09 to 0.14)
Code: 4401-03-02-0-94 (explanation to ISO 5783)
Tightening torque MA = 7 Nm ą 10%
Deviation from the standard:
Material No. R913000064 (separate order)
- without locating pin hole G
or
- ports P, A, B and T mit 8 mm
4 S.H.C.S. ISO 4762 - M5 x 50 - 10.9
12 Integrated electronics (OBE)
(friction value total = 0.12 to 0.17)
13 Plug-in connector,
Tightening torque MA = 8.9 Nm ą 10%
separate order see page 8
113,5
47
42
23
8
47
18/20 Bosch Rexroth AG Hydraulics 4WRE; 4WREE RE 29061/10.05
Unit dimensions: type 4WRE 10 (nominal dimensions in mm) NS10
6 2 4 1 10 5 3 9
A
B
a
b
19
70
12
92
(180,5)
184,5
269,5
365
11 8
7
0,01/100mm
F1
P F2
Rzmax 4
A B
T
T1
Required surface finish of the
F4 F3
valve mounting surface
20 50,8ą0,2
Tolerances to: General tolerances ISO 2768-mK
94
1 Valve housing Subplates to catalogue sheet RE 45054 and valve fixing
screws must be ordered separately.
2 Proportional solenoid "a" with inductive position transducer
Subplates: G66/01 (G3/8)
3 Proportional solenoid "b"
G67/01 (G1/2)
4 Plug-in connector "A", colour grey,
G534/01 (G3/4)
separate order see page 7
Valve fixing screws (separate order)
5 Plug-in connector "B", colour black,
The following valve fixing screws are recommended:
separate order see page 7
4 S.C.H.S. ISO 4762 - M6 x 40 - 10.9-flZn-240h-L
6 Plug-in connector for position transducer,
(friction value total = 0.09 to 0.14)
separate order see page 7
Tightening torque MA = 12.5 Nm ą 10%,
7 Plug for valves with one solenoid
Material No. R913000058 (separate order)
(2 switching positions, versions EA or WA)
or
8 Identical seal rings for ports A, B, P, T and T1
4 S.C.H.S. ISO 4762 - M6 x 40 - 10.9
9 Space required to remove the plug-in connector
(friction value total = 0.12 to 0.17)
Tightening torque MA = 15,5 Nm ą 10%
10 Name plate
11 Machined valve mounting surface,
connection location to ISO 4401 (with locating pin hole)
Code: 4401-05-04-0-94 (explanation to
ISO 5783)
Deviation from the standard: Port T1 11.2 mm
15
113,5
72,5
40
30
13
72
32,5
ą
0,2
RE 29061/10.05 4WRE; 4WREE Hydraulics Bosch Rexroth AG 19/20
Unit dimensions: type 4WREE 10 (nominal dimensions in mm) NS10
2
13 12 10 1 3
7
a b
19
70
12
92
(180,5)
184,5
269,5
365
8
P
A
B
T1
T
54 19
11
0,01/100mm
Rzmax 4
F1
P F2
A B
Required surface finish of the
T
T1
valve mounting surface
F4 F3
Tolerances to: General tolerances ISO 2768-mK
20 50,8ą0,2
94
1 Valve housing Subplates to catalogue sheet RE 45054 and valve fixing
screws must be ordered separately.
2 Proportional solenoid "a" with inductive position transducer
Subplates: G66/01 (G3/8)
3 Proportional solenoid "b"
G67/01 (G1/2)
7 Plug for valves with one solenoid
G534/01 (G3/4)
(2 switching positions, versions EA or WA)
Valve fixing screws (separate order)
8 Identical seal rings for ports A, B, P, T and T1
The following valve fixing screws are recommended:
10 Name plate
4 S.C.H.S. ISO 4762 - M6 x 40 - 10.9-flZn-240h-L
11 Machined valve mounting surface,
(friction value total = 0.09 to 0.14)
connection location to ISO 4401 (with locating pin hole)
Tightening torque MA = 12.5 Nm ą 10%,
Code: 4401-05-04-0-94 (explanation to ISO 5783)
Material No. R913000058 (separate order)
Deviation from the standard: Port T1 11.2 mm
or
12 Integrated electronics (OBE)
4 S.C.H.S. ISO 4762 - M6 x 40 - 10.9
13 Plug-in connector,
(friction value total = 0.12 to 0.17)
separate order see page 8
Tightening torque MA = 15,5 Nm ą 10%
139
72,5
40
30
64
13
72
32,5
ą
0,2
20/20 Bosch Rexroth AG Hydraulics 4WREA; 4 WREE RE 29061/10.05
Notes
Bosch Rexroth AG This document, as well as the data, specifications and other informations
Hydraulics set forth in it, are the exclusive property of Bosch Rexroth AG. Without their
Zum Eisengieer 1 consent it may not be reproduced or given to third parties.
97816 Lohr am Main, Germany The data specified above only serves to describe the product. No statements
Telefon +49 (0) 93 52 / 18-0 concerning a certain condition or suitability for a certain application can be
Telefax +49 (0) 93 52 / 18-23 58 derived from our information. The details stated do not release you from the
documentation@boschrexroth.de responsibility for carrying out your own assessment and verification. It must
www.boschrexroth.de be remembered that our products are subject to a natural process of wear
and ageing.
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