Ponar WEH22 Series, Руководство по эксплуатации

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Type WEH22 WK 460 110 09.2017 - 5 -
DIAGRAMS
S SS Sim im im imp p p plllliiiiffffie ie ie ied d d d an an an and d d d de de de dettttai ai ai aile le le led d d d hy hy hy hydrau drau drau draullllic ic ic ic d d d dia ia ia iagram gram gram gramssss ffffor or or or 3 3 3 3-p -p -p -po o o ossssiiiittttiiiio o o on n n n
d d d direc irec irec irecttttiiiio o o ona na na nallll v vv val al al alv vv ve ee essss w w w wiiiitttth h h h v vv vari ari ari ario o o ou u u ussss p p p piiiillllo o o otttt ssssup up up upp p p ply ly ly ly
(
X X X X
)
an an an and d d d p p p piiiillllo o o otttt
drai drai drai drain n n n
(
Y Y Y Y
)
3-position directional valves with spring centered
spool at
0 00 0 position in main valve and pilot valve
version ...4WEH22 ... /...
ex ex ex extttterna erna erna ernallll
supply (
X X X X
)
ex ex ex extttterna erna erna ernallll
drain (
Y Y Y Y
)
version ...4WEH22 ... /...
iiiin n n ntttterna erna erna ernallll
supply (
X X X X
)
ex ex ex extttterna erna erna ernallll
drain (
Y Y Y Y
)
version ...4WEH22 ... /...E.
E. E.
E. ..
iiiin n n ntttterna erna erna ernallll supply ( X X X X ) iiiin n n ntttterna erna erna ernallll drain ( Y Y Y Y )
version ...4WEH22 ... /...E
EE
ET
TT
T..
.. ..
.. .
ex ex ex extttterna erna erna ernallll
supply (
X X X X
)
iiiin n n ntttterna erna erna ernallll
drain (
Y Y Y Y
)
version ....4WEH22 ... /...T
TT
T..
.. ..
.. .
iiiin n n ntttterna erna erna ernallll
supply (
X X X X
)
iiiin n n ntttterna erna erna ernallll
drain (
Y Y Y Y
)
version
...4WEH22H
H H H
.../...E
EE ET TT T
...- impossible
iiiin n n ntttterna erna erna ernallll supply ( X X X X ) ex ex ex extttterna erna erna ernallll drain ( Y Y Y Y )
version ...4WEH22H H H H .../...E. E. E. E. ..
ex ex ex extttterna erna erna ernallll supply ( X X X X ) ex ex ex extttterna erna erna ernallll drain ( Y Y Y Y )
version ...4WEH22H H H H .../...
ex ex ex extttterna erna erna ernallll
supply (
X X X X
)
iiiin n n ntttterna erna erna ernallll
drain (
Y Y Y Y
)
version
...4WEH22H
H H H
.../...T
TT T
..- impossible
3-position directional valves with hydraulically centered
spool at
0 00 0 position in main valve and spring centered
spool in pilot valve version ...4WEH22H H H H .../...
a b
A B
P T
a b 0
b, Y
A B
P
T
X Y
a b
a, X
a b 0
a
b
A B
P T
a b 0
Y
a b
A B
P T
a b 0
a
b
A B
P T
a b 0
Y
a
b
A B
P T
a b 0
X
a
b
A B
P T
a b 0
Y X
a
b
A B
P T
a b 0
X
a b
A B
P T
a b
0
Y X
b, Y
A B
P
T
X Y
a, X
a b 0
a b
b, Y
A B
P
T
X Y
a b
a, X
a
b 0
b, Y
A B
P
T
X Y
a b
a, X
a b
0
b, Y
A B
P
T
X Y
a b
a, X
a b 0
b, Y
A B
P
T
X Y
a, X
a b 0
a b
b, Y
A B
P
T
X Y
a, X
a b
0
a b
b, Y
A B
P
T
X Y
a b
a, X
a b 0