Type WEH22
WK 460 110 09.2017
- 14 -
1 - Hole screw plug
M
M
M
M6
6
6
6 -
-
-
- 8
8
8
8,,,,8
8
8
8
(S3)
2 - Hole screw plug
M
M
M
M6
6
6
6 -
-
-
- 8
8
8
8,,,,8
8
8
8
(S3)
3 - Main valve body
4 - Side cover
5 - Pilot valve body
Pilot oil supply and pilot oil drain
X
Y
B
B
B
B
A
A
A
A
P
P
P
P
T
TT
T
Y
Y
Y
Y
X
X
X
X
T
TT
T
P
P
P
P
T
TT
T
1
3
4
2
5
ACCESSORIES FOR STANDARD VERSIONS
OF THE DIRECTIONAL VALVE
Pilot oil supply (X
X
X
X) - external
external
external
external
pilot oil drain (Y
Y
Y
Y) - external
external
external
external
version …4WEH22…/
…
In version…4WEH22…/
…
the hole screw plugs (1) and
(2) must be mounted in the position like given on the
drawing.
Pilot oil supply (X
X
X
X) - iiiinternal
nternal
nternal
nternal
pilot oil drain (Y
Y
Y
Y) - external
external
external
external
version …4WEH22…/…E
EE
E…
In version …4WEH22…/…E
EE
E… the hole screw plug (1)
must be dismounted whereas the hole screw plug (2),
must be mounted and port X
X
X
X in a subplate should be
plugged.
Pilot oil supply (X
X
X
X) - internal
internal
internal
internal
pilot oil drain (Y
Y
Y
Y) - internal
internal
internal
internal
version …4WEH22…/…E
EE
ET
TT
T…
In version …4WEH22…/…ET
ET
ET
ET… the hole screw plugs
(1) and (2) must be dismounted and ports X
X
X
X and Y
Y
Y
Y in a
subplate must be plugged.
Pilot oil supply (X
X
X
X) - external
external
external
external
pilot oil drain (Y
Y
Y
Y) - internal
internal
internal
internal
version …4WEH22…/…T
TT
T…
In version …4WEH22…/…T
TT
T…
the hole screw
plug (1) must be mounted whereas the hole screw
plug (2) must be dismounted and the port Y
Y
Y
Y in a
subplate must be plugged.
NOTES:
NOTES:
NOTES:
NOTES:
Versions with internal oil drain:…ET
ET
ET
ET…; …T
TT
T… are
non-applicable for directional valves with main spool
hydraulically centered (versions…4WEH22H
H
H
H…).
The hole screw plug (1) in line X
X
X
X is accessible after
screwing out a side cover (4) in the main valve (3).
The hole screw plug (2) in line Y
Y
Y
Y is accessible after
dismounting the pilot valve (5).
