Type WEH22
WK 460 110 09.2017
- 20 -
3-position with the main spool spring centered
a
aa
a
position monitoring, sensor at the B
B
B
B
side
version ...4WEH22.../...- M
M
M
MA
A
A
A
...
3-position with the main spool spring centered
b
b
b
b
position monitoring, sensor at the
A
A
A
A
side
version ...4WEH22.../...-
MB
MB
MB
MB............
...4WEH22.../...-
-
-
- M
M
M
MA
A
A
A
...
...4WEH22.../...-
-
-
- MB
MB
MB
MB
...
OVERALL DIMENSIONS OF THE VALVE
WITH OPTIONAL ACCESSORIES
versions with a spool position sensor type M
N
N
N
NO
O
O
OT
TT
TE
EE
E
: other dimensions, description of elements of the valve drawing, porting pattern and required state of the
connection surface - see page 9, 19
a
aa
a
b
b
b
b
X
X
X
X A
A
A
A
B
B
B
B
347
(max)
a
aa
a
b
b
b
b
X
X
X
X A
A
A
A
B
B
B
B
347
(max)
125
132
125
132
2-position (a
aa
a
, 0
0
0
0
) with the main spool spring positioned
a
aa
a
or 0
0
0
0
position monitoring, sensor at the B
B
B
B
side
versions: ...4WEH22.../...- M
M
M
MA
A
A
A
...;
...4WEH22.../
...- M
M
M
M0...
0...
0...
0...
2-position (0
0
0
0
, b
b
b
b
), with the main spool spring positioned
b
b
b
b
or 0
0
0
0
position monitoring, sensor at the A
A
A
A
side
versions: ...4WEH22.../...- MB
MB
MB
MB
...;
...4WEH22.../
...- M
M
M
M0
0
0
0
...
...4WEH22...A
A
A
A
.../...-
-
-
- M
M
M
M0
0
0
0
...
...4WEH22...B
B
B
B
.../...-
-
-
- M
M
M
M0
0
0
0
...
...4WEH22...A
A
A
A
.../...-
-
-
- M
M
M
MA
A
A
A
...
...4WEH22...B
B
B
B
.../...-
-
-
- MB
MB
MB
MB
...
a
aa
a
X
X
X
X A
A
A
A
B
B
B
B
133
125
347
(max)
b
b
b
b
X
X
X
X A
A
A
A
B
B
B
B
125
132
347
(max)
