Servo solenoid valves with
electrical position feedback
(Lvdt DC/DC ±10 V)
Type 4WRPH6
RE 29028/01.05
1/10
Replaces: 09.03
Size 6
Unit series 2X
Maximum working pressure P, A, B 315 bar, T 250 bar
Nominal flow rate 2...40 l/min (∆p 70 bar)
List of contents
Contents Page
Features 1
Ordering data and scope of delivery 2
Preferred types 2
Function, sectional diagram 3
Symbols 3
Technical data 4
Valve with external trigger electronics 5 and 6
Performance curves 7 and 8
Unit dimensions 9
Features
– Directly operated servo solenoid valve NG6, with control piston
and sleeve in servo quality
– Actuated on one side, 4/4 fail-safe position when switched off
– Control solenoid with integral position feedback and
electronics for position transducer (Lvdt DC/DC)
– Suitable for electrohydraulic controllers in production and
testing systems
– For subplate attachment, mounting hole configuration to
ISO 4401-03-02-0-94
– Subplates as per catalogue section RE 45053
(order separately)
– Line sockets to DIN 43560-AM2
Solenoid 2P+PE/M16 x 1.5, position transducer 4P/Pg7
in scope of delivery, see catalogue section RE 08008
– External trigger electronics (order separately)
Electric amplifier for standard curve “L”
0 811 405 060, see catalogue section RE 30041
Electric amplifier for non-linear curve “P”
40 % – 0 811 405 065 and 60 % – 0 811 405 066,
see catalogue section RE 30040
Variants on request
– For standard applications
– Special symbols for plastic machines
– Sturdy “ruggedized” version for applications up to 40 g,
valve with metal cap and central plug (7P).
4WRP H 6 B –2X/G24 Z4/ M *
A
B
P
T
a0b
2/10 Bosch Rexroth AG Industrial Hydraulics Type 4WRPH 6 RE 29028/01.05
Ordering data and scope of delivery
For external
trigger eletronics = no desig.
Control piston/sleeve = H
Size 6 = 6
Symbols
4/4
-way version
= C3, C5
= C4, C1
With symbols C5 and C1:
3)
P A: q
v
B T: q
v
/2
P B: q
v
/2 A T: q
v
Side of inductive position tranducer
(Standard) = B
1)
Only in connection with flow characteristic “p”
2)
Kink 60 % for NG6 with nominal flow rate “15”
and “25”, otherwise kink 40 %
3)
q
v
2:1 only with nominal flow rate = 40 l/min
Further information
in plain text
M = NBR seals,
suitable for mineral oils
(HL, HLP) to DIN 51524
Electronical connection
Z4 = with line socket, with plug to
DIN 43560-AM2
Line socket in scope of delivery
Voltage supply of trigger electronics
G24 = +24 V DC
2X = Unit series 20 to 29
(installation and connection dimensions unchanged)
Flow characteristic
L = Linear
P = Non-linear curve
2)
Nominal flow rate at 70 bar valve pressure difference
(35 bar /metering notch)
Size 6
02 = 2 l/min
04 = 4 l/min
12 = 12 l/min
15
1)
= 15 l/min
24 = 24 l/min
25
1)
= 25 l/min
40
3)
= 40 l/min
Preferred types (available at short notice)
Type 4WRPH 6 Material no.
C3/C5
4WRPH 6 C3B02L –2X/G24Z4 / M 0 811 404 041
4WRPH 6 C3B04L –2X/G24Z4 / M 0 811 404 033
4WRPH 6 C3B12L –2X/G24Z4 / M 0 811 404 034
4WRPH 6 C3B24L –2X/G24Z4 / M 0 811 404 035
4WRPH 6 C3B40L –2X/G24Z4 / M 0 811 404 036
4WRPH 6 C5B40L –2X/G24Z4 / M 0 811 404 510
4WRPH 6 C3B15P –2X/G24Z4 / M 0 811 404 047
4WRPH 6 C3B25P –2X/G24Z4 / M 0 811 404 043
4WRPH 6 C3B40P –2X/G24Z4 / M 0 811 404 044
4WRPH 6 C5B40P –2X/G24Z4 / M 0 811 404 511
Type 4WRPH 6 Material no.
C1/C4
4WRPH 6 C4B02L –2X/G24Z4 / M 0 811 404 512
4WRPH 6 C4B04L –2X/G24Z4 / M 0 811 404 160
4WRPH 6 C4B12L –2X/G24Z4 / M 0 811 404 037
4WRPH 6 C4B24L –2X/G24Z4 / M 0 811 404 038
4WRPH 6 C4B40L –2X/G24Z4 / M 0 811 404 039
4WRPH 6 C1B40L –2X/G24Z4 / M 0 811 404 513
4WRPH 6 C4B15P –2X/G24Z4 / M 0 811 404 048
4WRPH 6 C4B25P –2X/G24Z4 / M 0 811 404 045
4WRPH 6 C4B40P –2X/G24Z4 / M 0 811 404 046
4WRPH 6 C1B40P –2X/G24Z4 / M 0 811 404 162
A
B
P
T
a0b
RE 29028/01.05 Type 4WRPH 6 Industrial Hydraulics Bosch Rexroth AG 3/10
Function, sectional diagram
Symbols
Accessories, not included in scope of delivery
(4 x) f M5 x 30 DIN 912–10.9 Fastening screws 2 910 151 166
VT-VRRA1-527-20 / V0, see RE 30041 0 811 405 060
VT-VRRA1-527-20 / V0 / K60-AGC, see RE 30040 0 811 405 066
VT-VRRA1-527-20 / V0 / K40-AGC, see RE 30040 0 811 405 065
2P + PE (M16 x 1.5) and 4P (Pg7) included in scope of delivery,
see also RE 08008
2P+PE 4P
Application
– Valve amplifier with pressure compensator (p/Q), see RE 30058.
Servo solenoid valve 4WRPH 6
Valve body
Control solenoid
Linear p: kink 60 % p: kink 40 %
[q
n
15,25 l/min] [q
n
40 l/min]
C3, C5
C4, C1
C3, C5, C4, C1
Standard = 1:1, from q
n
40 l/min also 2:1
A
B
P
T
a0b
Position transducer
(Lvdt DC/DC)
Control solenoid with position transducer
Testing and service equipment
– Test box type VT-PE-TB2, see RE 30064.
– Test adapter type VT-PA-3, see RE 30070.
4/10 Bosch Rexroth AG Industrial Hydraulics Type 4WRPH 6 RE 29028/01.05
Technical Data
General
Construction Spool type valve, operated directly, with steel sleeve
Actuation Proportional solenoid with position control, external amplifier
Type of mounting Subplate, mounting hole configuration NG6 (ISO 4401-03-02-0-94)
Installation position Optional
Ambient temperature range °C –20 … +50
Weight kg 2.3
Vibration resistance, test condition Max. 25 g, shaken in 3 dimensions (24h)
Hydraulic (measured with HLP 46,
ϑ
oil
= 40 °C ±5 °C)
Pressure fluid Hydraulic oil to DIN 51524 … 535, other fluids after prior consultation
Viscosity range recommended mm
2
/s 20 … 100
max. permitted mm
2
/s 10 … 800
Pressure fluid temperature range °C –20 … +80
Maximum permissible degree of Class 18/16/13
1)
contamination of pressure fluid
Purity class to ISO 4406 (c)
Flow direction See symbol
Nominal flow at l/min 2 4 12 15 24 40
∆p = 35 bar per notch
2)
Max. working pressure bar Port P, A, B: 315
Max. pressure bar Port T: 250
Operating limits at ∆p bar < 315 < 315 < 315 < 315 < 315 < 160
Pressure drop at valve
q
Vnom
: > q
N
valves bar < 315 < 315 < 315 < 280 < 250 < 100
Leakage cm
3
/min < 150 < 180 < 300 <15– < 500 < 900
at 100 bar
cm
3
/min <15– <15– <15– <180 < 300 < 450
Electrical
Cyclic duration factor % 100 ED
Power supply 24 V
nom
(external amplifier)
Degree of protection IP 65 to DIN 40050
Solenoid connector Connector DIN 43650/ISO 4400 M16 x 1.5 (2P + PE)
Position transducer connector Special Connector Pg7 (4P)
Max. solenoid current A 2.7
Coil restistance R
20
Ω 2.5
Max. power consumption at 100 % load VA 40
and operational temperature
Position transducer Supply: +15 V/35 mA Signal: 0...±10 V (R
L
10 kΩ)
DC/DC technology Supply: –15 V/35 mA
Static/Dynamic
Hysteresis % 0.2
Manufacturing tolerance for q
max.
% 10
Response time for signal change ms 10
0 … 100 %
Thermal drift Zero point displacement 1 % at ∆T = 40 °C
1)
The purity classes stated for the components must be complied with in hydraulic systems. Effective filtration prevents problems and
also extends the service life of components. For a selection of filters, see catalogue sections RE 50070, RE 50076 and RE 50081.
2)
Durchfluss bei anderem ∆p
∆p
x
2)
Flow rate at a different ∆pq
x
= q
nom
·
35
RE 29028/01.05 Type 4WRPH 6 Industrial Hydraulics Bosch Rexroth AG 5/10
Valve with external trigger electronics (standard linear curve: L)
Block diagram/pin assignment
Versions of trigger electronics:
– With non-linear curve and surface
area compensation, see RE 30040
– With integrated p/Q compensator,
see RE 30058
6/10 Bosch Rexroth AG Industrial Hydraulics Type 4WRPH 6 RE 29028/01.05
Valve with external trigger electronics (non-linear curve: P)
Block diagram/pin assignment
Versions of trigger electronics:
– With standard linear curve,
see RE 30041
– With integrated p/Q compensator,
see RE 30058
Daughter card
RE 29028/01.05 Type 4WRPH 6 Industrial Hydraulics Bosch Rexroth AG 7/10
Performance curves (measured with HLP46,
ϑ
oil
= 40 °C ±5°C)
Flow rate/Signal function Q = f (U
E
)
*Fail-safe when enabling is not released.
**Q-kink = 10 % Q
N
.
100
80
60
40
20
-
20
-
40
-
60
-
80
-
100
Q %
* fail
safe
Q %
L: (Linear)
-
10[V]
U
E
[V]
(b20)
-
8
-
6
-
4
-
2246810
qVA:qVB=1:1
q
VA:qVB=2:1
P-B
B-T
U
E
[V]
(b20)
40
30
20
10
10
20
30
40
P-B
B-T
-
10[V]
-
8
-
6
-
4
-
2
246810
* fail
safe
Q l/min
Q l/min
P: (Knick 40 %)
qVA:qVB=1:1
q
VA:qVB=2:1
U
E
[V]
(b20)
U
E
[V]
(b20)
L: Linear P: (kink 60 %)**
P: (kink 60 %)
P: (kink 40 %)**
Fail-safe position
Leakage at 100 bar P–A 50 cm
3
/min
P–B 70 cm
3
/min
Flow rate at ∆p = 35 bar A–T 10 … 20 l/min
B–T 7 … 20 l/min
Leakage at 100 bar P–A 50 cm
3
/min
P–B 70 cm
3
/min
A–T 70 cm
3
/min
B–T 50 cm
3
/min
Fail-safe p = 100 bar → 7 ms Enable off
p = 100 bar → 10 ms
•
8/10 Bosch Rexroth AG Industrial Hydraulics Type 4WRPH 6 RE 29028/01.05
Performance curves (measured with HLP46,
ϑ
oil
= 40 °C ±5°C)
Pressure gain
Bode diagram
RE 29028/01.05 Type 4WRPH 6 Industrial Hydraulics Bosch Rexroth AG 9/10
Unit dimensions (nominal dimensions in mm)
Mounting hole configuration: NG6 (ISO 4401-03-02-0-94)
For subplates, see catalogue section
RE 45053
1)
Deviates from standard
2)
Thread depth:
Ferrous metal 1.5 x Ø
Non-ferrous 2 x Ø
Required surface quality of mating
component
PATBF
1
F
2
F
3
F
4
21.5 12.5 21.5 30.2 0 40.5 40.5 0
25.9 15.5 5.1 15.5 0 –0.75 31.75 31
8
1)
8
1)
8
1)
8
1)
M5
2)
M5
2)
M5
2)
M5
2)
X
Y
10/10 Bosch Rexroth AG Industrial Hydraulics Type 4WRPH 6 RE 29028/01.05
Notes
Bosch Rexroth AG
Industrial Hydraulics
Zum Eisengießer 1
D-97816 Lohr am Main, Germany
Telefon +49 (0)9352/ 18-0
Telefax +49 (0)9352/ 18-2358
documentation@boschrexroth.de
www.boschrexroth.de
© Bosch Rexroth AG reserves all rights, including industrial property rights.
We reserve all rights of disposal, such as copying and passing on to third
parties.
The data specified above only serve to describe the product. No statements
concerning a certain condition or suitability for a certain application can be
derived from our information. The given information does not release the user
from the obligation of own judgement and verification. It must be remembered
that our products are subject to a natural process of wear and aging.
Notes
RE 29028/01.05 Type 4WRPH 6 Industrial Hydraulics Bosch Rexroth AG
Bosch Rexroth AG
Industrial Hydraulics
Zum Eisengießer 1
D-97816 Lohr am Main, Germany
Telefon +49 (0)9352/ 18-0
Telefax +49 (0)9352/ 18-2358
documentation@boschrexroth.de
www.boschrexroth.de
© Bosch Rexroth AG reserves all rights, including industrial property rights.
We reserve all rights of disposal, such as copying and passing on to third
parties.
The data specified above only serve to describe the product. No statements
concerning a certain condition or suitability for a certain application can be
derived from our information. The given information does not release the user
from the obligation of own judgement and verification. It must be remembered
that our products are subject to a natural process of wear and aging.
Bosch Rexroth AG Industrial Hydraulics Type 4WRPH 6 RE 29028/01.05
Notes
Bosch Rexroth AG
Industrial Hydraulics
Zum Eisengießer 1
D-97816 Lohr am Main, Germany
Telefon +49 (0)9352/ 18-0
Telefax +49 (0)9352/ 18-2358
documentation@boschrexroth.de
www.boschrexroth.de
© Bosch Rexroth AG reserves all rights, including industrial property rights.
We reserve all rights of disposal, such as copying and passing on to third
parties.
The data specified above only serve to describe the product. No statements
concerning a certain condition or suitability for a certain application can be
derived from our information. The given information does not release the user
from the obligation of own judgement and verification. It must be remembered
that our products are subject to a natural process of wear and aging.
