RE 18300-54/02.2016, Bosch Rexroth AG
4/3 Directional valve elements
B8_58… (EDBZ-VEI)
RE 18300-54
Edition: 02.2016
Replaces: 07.12
4/3 Directional valve elements
with or without secondary relief valves,
with or without LS connections,
and with 2/2 solenoid cartridge valve
RE 18300-54
Edition: 02.2016
Replaces: 07.2012
General specifi cations
Valve elements with 4 ways and 2 positions.
Control spools directly operated by solenoids with
removable coils.
In the de-energized condition, the control spool is held
in the central position by return spring.
Wet pin tubes for DC coils, with push rod for mechanical
override; burnish surface treatment.
Manual override (push-button or screw type) available
as option.
Additional solenoid cartridge 2/2, NO or NC, single
locking or dual locking on port A.
Size 4
Series 00
Maximum operating pressure 310 bar (4500 psi)
Maximum fl ow 25 l/min (6.6 gpm)
Port connections G 3/8 SAE6 - M16x1.5
Contents
Ordering details 2
Symbols 2
Functional description 3
Technical data 4
Characteristic curves 6
External dimensions and fi ttings 7
Electric connection 8
B8_58… (EDBZ-VEI)
Bosch Rexroth AG, RE 18300-54/02.2016
2 B8_58… (EDBZ-VEI) | 4/3 Directional valve elements
Ordering details
Ordering details
01 02 03 04 05 06 07 08 09 10 11
B 8 58 E401
Family
01 Directional Valve elements EDB
B
Type
02 Size 4
8
Confi guration
03 Standard
0
With secondary valve on A
1
With channels for Load Sensing
4
Coil type
04 C36
08
Spool variants
05 4/2 operated on side b only
E401
Voltage supply 07 03 01 00
06 Without coil
–––
●
00
12V DC
●●●
–OB
24V DC
●●●
–OC
24V AC (21.5 DC)
––
●
–OV
110V AC (98 DC)
––
●
–OW
230V AC (207 DC)
––
●
–OZ
Electric connections
07 Without coils
00
With coils, without mating connector DIN EN 175301-803
01
1)
With coils, with bi-directional diode, without mating
connector vertical Amp-Junior
03
With coils, with bi-directional diode, without mating
connector DT04-2P
07
Ports
08 G 3/8 DIN 3852
3
M 16x1,5 DIN 3852
U
9/16-18 UNF 2-B (SAE6)
B
Secondary valves setting
2)
09 50-210 bar (725-3045 psi)
0
100-310 bar (1450-4500 psi)
1
25-50 bar (362-725 psi)
2
Without secondary valve
3
Solenoid screw-in cartridge VEI
10 Without valve
N
Normally closed
C
Normally open
A
Dual locking normally closed
D
Dual locking normally open
O
Options
11 No options
No
code
Standard
0
Push-button type manual override
P
Screw type manual override
F
●
= Available
–
= Not available
Symbols
= 0
AB
P
T
= 1
AB
P
T
= 4
A
B
P
LS
T
Spool variants
=E401
_ _ C _
AB
PT
0b
b
_ _ A _
AB
PT
0b
b
_ _ D _ _ _ O _
A
PT
0b
b
AB
PT
b
b
1) For connectors ordering code see data sheet RE 18325-90.
2) VEI solenoid cartridge must be ordered separately.
The secondary valves have a maximum fl ow capacity of
6 l/min. (1.6 gpm).
RE 18300-54/02.2016, Bosch Rexroth AG
4/3 Directional valve elements | B8_58… (EDBZ-VEI)
Functional description
3
Functional description
74 1323456
10 9 8
The sandwich plate design directional valve elements
B8_58… are very compact direct operated solenoid valves
which control the start, the direction and the leak free stop
of the oil fl ow. These elements basically consist of a
stackable housing (1) with a control spool (2), one solenoid
(5), a spring holder plug (7); two return springs (4); a
solenoid screw-in cartridge VEI (8) with its coil (9).
When energized, the force of the solenoid (5) pushes the
control spool (2) from its rest position “0” to the end
position “b”. If there is a solenoid cartridge VEI (8) type C,
A, O, the oil fl ow goes directly to the port A; if there is a
solenoid cartridge VEI (8) type D (Dual locking), it is
necessary to energize the solenoid cartridge as well in
order to allow the oil fl ow to the port A.
Once the solenoid (5) is de-energized, the return spring (4)
pushes the spool thrust washer (3) back against the
housing and the spool (2) returns in its rest position. The
leak free holding at port A is provided by energizing (or
de-energizing, if the VEI is NC type) the solenoid cartridge.
By energizing open the VEI (8) (“C“ and “A“ versions), the A
port is open to tank and downstream fl ow is possible.
The coils are fastened to the respective solenoids (5) and
VEI (8) by the ring nuts (6) and (10).
Bosch Rexroth AG, RE 18300-54/02.2016
4 B8_58… (EDBZ-VEI) | 4/3 Directional valve elements
Technical data
Technical data
General
Valve element with solenoid kg (lbs) 1.8 (3.96)
Ambient Temperature °C (°F) –20....+50 (-4....+122) (NBR seals)
Hydraulic
Maximum pressure at P, and A ports bar (psi) 310 (4500)
Maximum pressure at T bar (psi) 250 (3625)
Maximum inlet fl ow l/min (gpm) 25 (6.6)
Hydraulic fl uid
General properties: it must have physical lubricating
and chemical properties suitable for use in hydraulic
systems such as, for example:
Mineral oil based hydraulic fl uids HL (DIN 51524 part 1).
Mineral oil based hydraulic fl uids HLP (DIN 51524 part 2).
For use of environmentally acceptable fl uids (vegetable or
polyglycol base) please consult us.
Fluid Temperature °C (°F) –20....+80 (-4....+176) (NBR seals)
Permissible degree of fl uid contamination ISO 4572: β
x
≥75 X=12...15
ISO 4406: class 20/18/15
NAS 1638: class 9
Viscosity range mm
2
/s 5....420
Electrical
Voltage type DC (AC only with RAC connection)
Voltage tolerance (nominal voltage) % -10 .... +10
Duty Continuous, with ambient temperature ≤ 50°C (122°F)
Coil wire temperature not to be exceeded °C (°F) 150 (302)
Insulation class H
Compliance with Low Voltage Directive LVD 73/23/EC (2006/95/EC), 2004/108/EC
Coil weight with connection EN 175301-803 kg (lbs) 0.215 (0.44)
Voltage V 12 24 24
+RAC
(21,5)
110
+RAC
(98)
230
+RAC
(207)
Voltage type DC DC DC DC DC
Power consumption W 26 26 29 29 29
Current (nominal at 20 °C (68 °F)) A 2.15 1.10 1.20 0.29 0.14
Resistance (nominal at 20 °C (68 °F)) Ω 5.5 22 18 338 1430
Note
For applications with different specifi cations consult us
RE 18300-54/02.2016, Bosch Rexroth AG
4/3 Directional valve elements | B8_58… (EDBZ-VEI)
Technical data
5
Code Voltage [V] Connector type Coil description Marking Coil Mat no.
=OB 01 12 DC EN 175301-803
(Ex. DIN 43650)
C3601 12DC 12 DC R933000044
=OB 03 12 DC AMP JUNIOR C3603 12DC 12 DC R933000047
=OB 07 12 DC DEUTSCH DT 04-2P C3607 12DC 12 DC R933000048
=OC 01 24 DC EN 175301-803
(Ex. DIN 43650)
C3601 24DC 24 DC R933000053
=OC 03 24 DC AMP JUNIOR C3603 24DC 24 DC R933000057
=OC 07 24 DC DEUTSCH DT 04-2P C3607 24DC 24 DC R933000058
=OV 01 24 RAC EN 175301-803
(Ex. DIN 43650)
C3601 21.5DC 21.5 DC R933000054
=OW 01 110 RAC EN 175301-803
(Ex. DIN 43650)
C3601 98DC 98 DC R933000060
=OZ 01 230 RAC EN 175301-803
(Ex. DIN 43650)
C3601 207DC 207 DC R933000062
Bosch Rexroth AG, RE 18300-54/02.2016
6 B8_58… (EDBZ-VEI) | 4/3 Directional valve elements
Characteristic curves
Lowest pressure setting curve for secondary valves
Characteristic curves
Spool Variant Curve no.
B>T P>A
X301 1 2
Measured with hydraulic fl uid ISO-VG32 at 45° ±5 °C
(113° ±9 °F); ambient temperature 20 °C (68 °F).
Performance limits
Spool Variant Curve no.
X401 1
The performance curves are measured with fl ow going
across and coming back, like P>A and B>T, with
symmetrical fl ow areas.
In case of special circuit connections, the performance
limits can change.
Minimum fl ow for effi ciency of LS control
2 1
0 5 10 15 20 25 l/min
Δ bar
18
15
12
9
6
3
0
0 1 2 3 4 5 6 6.6 gpm
Δ psi
261
200
150
100
50
0
Pressure Δp
Flow Q
1
0 5 10 15 20 25 l/min
bar
350
300
250
200
150
100
50
0
0 1 2 3 4 5 6 6.6 gpm
psi
5076
4000
3000
2000
1000
0
Pressure-p
Flow Q
bar
60
50
40
30
20
10
0
0 1 2 3 4 5 6 l/min
0 0.3 0.6 0.9 1.2 1.6 gpm
psi
900
750
600
450
300
150
0
Pressure-p
Flow Q
bar
60
50
40
30
20
10
0
0 1 2 3 4 5 6 l/min
0 0.3 0.6 0.9 1.2 1.6 gpm
psi
900
750
600
450
300
150
0
Pressure-p
Flow Q
0
1
2
Secondary valve setting Curve no.
50-210 bar (700-2950 psi) 0
100-310 bar (1400-4500 psi) 1
25-50 bar (350-700 psi) 2
RE 18300-54/02.2016, Bosch Rexroth AG
4/3 Directional valve elements | B8_58… (EDBZ-VEI)
External dimensions and fi ttings
7
Dimensions [mm (inches)]
External dimensions and fi ttings
()
()
()
()
()
()
()
()
()
()()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()()()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
()
1 Solenoid tube Ø 14 mm (0.55 inch).
2 Screw-in solenoid cartridge VEI hex 24 mm (0.94 inch).
Torque 39-51Nm (28.8-37.6 lb-ft).
3 Ring nut for coil locking (OD 20.5 mm); torque 3-4Nm (2.2-3 ft-lb).
4 Identifi cation label.
5 Clearance needed for connector removal.
6 Optional push-button manual override, EP type, for spool opening:
it is pressure stuck to the ring nut for coil locking.
Mat no. R933000042.
7 Optional screw type manual overide, EF type, for spool opening: it
is screwed (torque 6-7 (4.4-5.2 ft-lb)) to the tube as replacement
of the coil ring nut. Mat no. R933006377.
8 Optional manual override for VEI cartridge: it can be push/pull or
screw type. Please refer to the VEI catalogue for details.
9 Flange specifi cations for coupling to ED intermediate elements.
10 For tie rod and tightening torque information see data sheet
RE 18301-90.
11 O-Rings for P and T ports.
12 Space needed for secondary valve in confi guration 1.
13 A and B ports.
8
Bosch Rexroth AG, RE 18300-54/02.2016
Bosch Rexroth Oil Control S.p.A.
Oleodinamica LC Division
Via Artigianale Sedrio, 12
42030 Vezzano sul Crostolo
Reggio Emilia - Italy
Tel. +39 0522 601 801
Fax +39 0522 606 226 / 601 802
compact-hydraulics-cdv@boschrexroth.com
www.boschrexroth.com/compacthydraulics
© This document, as well as the data, specifi cations and other information
set forth in it, are the exclusive property of Bosch Rexroth Oil Control S.p.a..
It may not be reproduced or given to third parties without its consent.
The data specifi ed 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 information given does not release the
user from the obligation of own judgment and verifi cation. It must be
remembered that our products are subject to a natural process of wear and
aging.
Subject to change.
B8_58… (EDBZ-VEI) | 4/3 Directional valve elements
Electric connection
Electric connection
00 01
(
(
(
(
(
(
(
(
(
(
(
(
03
Protection class: IP 65 with female connector
properly fi tted (see drawing).
07
Protection class: IP 69 K with female connector
properly fi tted (see drawing).
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
(
Dimensions [mm (inches)]
