The pos. numbers refer to the sectional drawing on page 2.
Valve leaks:
Replace seat seal (pos. 13, 19).
Check line pressure:
permissible line pressure,
see section 4.
Body leaks in the clamp area: Replace body seal (pos. 11, 21).
Shaft socket in the yoke leaks: Replace seat seal (pos. 9) and
shaft seal (pos. 8).
Air escapes from the actuator: Dismantle actuator (pos. 5) from
valve, replace seal kit (pos. 1,
page 67) in the seal screw.
Actuator does not work, air
escapes permanently via
the venting plug:
Replace actuator.
Valve position indicator
fails or is inaccurate:
Carry out fine adjustment according
to assembly instructions control unit.
4 Technical data
KVS - Values for Change-over / Shut-off valves (m
3
/h)
5 Trouble shooting
28
L, T
KLL, KTL
KLT, KTT
NW25
NW40
NW50
NW65
NW80
NW100
DIN
20
45
92
159
201
302
L, T
KLL, KTL
KLT, KTT
21
53
85
159
209
325
L, KTL
TL
28
60
120
215
350
540
LL
14
33
58
100
160
245
LL
TL
13
31
51
89
137
212
LL
TL
20
45
92
159
201
302
LL
TL
SW 41, 42
SWE 41, 42
SWE 43, 44
SW 41, 42
SWE 41, 42
SWE 43, 44
SW 42
SWE 42
SW 44
SW 43
SW 43
SW 44
SW 43
SW 44
SW 43
SW 44
21
53
58
159
209
325
ISO
Ø25
Ø38
Ø51
Ø63.5
Ø76
Ø101.6
16
38
83
133
176
292
18
45
77
133
176
310
-
-
118
-
-
-
10
30
54
87
137
225
10
28
49
76
114
210
16
38
83
133
176
292
18
45
77
133
176
310
Содержание DELTA SW4
Страница 14: ......
Страница 28: ......
Страница 42: ......
Страница 56: ......
Страница 58: ...6 3 Målskitse og vægt Dimensions and weights 60 381760 Iss Q 03 98 ...
Страница 60: ...7 Ventilhuse Valve bodies ISO 62 381744 Iss Q 02 98 ...
Страница 62: ...7 Ventilhuse Valve bodies DIN 64 381742 Iss Q 02 98 ...
Страница 64: ...7 Aktuator Actuator 66 381743 Iss Q 02 98 ...
Страница 66: ...7 Kontaktbox med kontaktholdere Proximity holder with switch holder 68 381727 Iss Q 02 98 ...
Страница 68: ......
Страница 69: ......
Страница 70: ...APV Fluid Handling Horsens Ternevej 61 63 DK 8700 Horsens Denmark Tel 45 75 64 37 77 Fax 45 75 64 38 68 ...