A B
T
P
x
a
y
b
A B
T
P
x
a
y
b
A B
T
P
x
a
y
b
A B
T
x
a
y
b
SYMBOL
E
H
J
G
up to 320 bar
up to 600 l/min
FUNCTION
FEATURES
- Pattern according ISO 4401
- Hydraulically operated directional valve
- Electro-hydraulically operated with pilot valve NW6
or hydraulically operated with diversion plate
- Flow up to 600l/min
- Internal or external ported pilot supply and drain line selectable
by internal plug setting
- Attention: Pilot valve, diversion plate and fixing screws are not in the
scope of delivery
SPECIFICATIONS
Operating pressure: max. 320 bar
Symbols E, H, J max. 600 l/min at 210 bar
(500 l/min at 320 bar)
Symbol G: max. 500 l/min at 210 bar
(450 l/min at 320 bar)
Pilot pressure: min. 5 up to max. 210 bar
Pressure on T line: max. 140 bar
(with internal drain)
Pressure on T line: max. 250 bar
(with external drain)
Fluids: Hydraulic oil according to
DIN 51524 part 1 and 2
Media operating temp. range: -20°C up to max. +80°C
Ambient temp. range: -20°C up to max. +50°C
Viscosity range: 10 – 400 mm²/s is recommended
Filtration: Class 20/18/15 according to ISO 4406
Weight: 13,6 kg without pilot valve and short-circuit
subplate
PERFORMANCE
4/3-Directional control valve
Hydr
aulically operated
Optional with diversion plate,
or pilot valve
4WH E 25
E 5.226.0 /08.10
698
Sectional view (Plugs placed)
Valve type Plug setting
X Y
Internal pilot supply and no plug plug
external drain
I Internal pilot supply and no plug no plug
drain
external pilot supply and plug plug
drain
EI external pilot supply and plug no plug
internal drain
NW25
PERFORMANCE
Example for assembled
pilot valve
4/2 directional valve
with spring offset Type 4WEH 25, 32
4/3 directional valve
spring centered Type 4WEH 25 , 32
4/2 directional valve
with spring offset Type 4WEH 25, 32
X = extern
Y =
extern
P T
a
A B
TP
x
b
y
a
P T
b
A
B
P T
a
A B
TP
x
b
y
a
P T
b
0
A B
P T
a
A B
TP
x
b
y
a
P T
b
0
A B
X = extern
Y = extern
X = extern
Y = extern
Main
sta
ge
Pilot D
Main
Valve
plus Pilot
A B
TPX
Y
b
a
A B
TPX
Y
b
a
0
A B
TPX Y
b
0
a
Main
stage
Pilot J
Main
Valve
plus Pilot
Main
stage
Pilot JA
Main
Valve
plus Pilot
699
MODEL CODE
4WH E 25 E S01 / V /U
Name
4/3-directional control valve
Pilot supply and drain
E = Control fluid inlet and outlet external
(Plug enclosed - not placed!)
Nominal size
25 = NW 25
Symbol for main stage
Available Symbols: E, J, G, H
Type
S01 = Standard
Seals
V = Viton (Standard)
N = NBR
Option
U = with diversion plate PATB and Mounting screws
Omission = without diversion plate(Standard)
Standard models Part-no.
4WH E 25 E S01 /V 6079051
4WH E 25 H S01 /V nn
4WH E 25 J S01 /V 6079052
4WH E 25 G S01 /V nn
Other models on request
DIMENSIONS
(with diversion plate)
HOLE PATTERN to ISO 4401-08
Width: 115 mm
Hole pattern
Mounting Screws: 6x M12 x 60 DIN 912-12.9
Torque: 115 + 5 Nm
Seals: 4x O-Ring 29,82 x 2,62 – 90 Sh
2x O-Ring 20,24 x 2,62 – 90 Sh
All dimensions in mm.
Fastening elements are not in the scope of supply.
Do not design port
L for standard
valves, no sealing
on valve side!
HYDAC Fluidtechnik GmbH
Just
us-von-Liebig-Str. 5
66280 Sulzbach / Saar
Tel.: 06897 / 509 -0
Fax: 06897 / 509 -598
Email: flutec@hydac.com
Annotation
The technical information in this
brochure are relating to the operating
conditions and applications.
At deviant applications and/or
operating conditions please contact
the technical dept.
Technical information are
subject to technical modifications.
Diversion plates PATB and PBTA
See
accessory equipment
700
