Table des Matières
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Les langues disponibles
Les langues disponibles
DIN
NW25
NW40
NW50
NW65
NW80
NW100
ISO
Ø25
Ø38
Ø51
Ø63.5
Ø76
Ø101.6
28
4
Technical data
KVS - Values for Change-over / Shut-off valves (m
L, T
L, T
KLL, KTL
KLL, KTL
KLT, KTT
KLT, KTT
SW 41, 42
SW 41, 42
SWE 41, 42
SWE 41, 42
SWE 43, 44
SWE 43, 44
20
21
45
53
92
85
159
159
201
209
302
325
16
18
38
45
83
77
133
133
176
176
292
310
5
Trouble shooting
The pos. numbers refer to the sectional drawing on page 2.
Valve leaks:
Body leaks in the clamp area: Replace body seal (pos. 11, 21).
Shaft socket in the yoke leaks: Replace seat seal (pos. 9) and
Air escapes from the actuator: Dismantle actuator (pos. 5) from
Actuator does not work, air
escapes permanently via
the venting plug:
Valve position indicator
fails or is inaccurate:
L, KTL
LL
TL
SW 42
SW 43
SWE 42
SW 44
28
14
60
33
120
58
215
100
350
160
540
245
-
10
-
30
118
54
-
87
-
137
-
225
Replace seat seal (pos. 13, 19).
Check line pressure:
permissible line pressure,
see section 4.
shaft seal (pos. 8).
valve, replace seal kit (pos. 1,
page 67) in the seal screw.
Replace actuator.
Carry out fine adjustment according
to assembly instructions control unit.
/h)
3
LL
LL
TL
TL
SW 43
SW 43
SW 44
SW 44
13
20
31
45
51
92
89
159
137
201
212
302
10
16
28
38
49
83
76
133
114
176
210
292
LL
TL
SW 43
SW 44
21
53
58
159
209
325
18
45
77
133
176
310
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