Series NKS-N, NKSP-N
Page
14
9520-021-en
Revision 17
TM 10477
Edition 05/2022
9.3 Shut-off element
The shut-off element assembly consists of:
Disc with the integrated stem (one-piece)
221
body lining
409
flexible inlay
521
Pressure gasket
412/1, 412/2
Guide pin
229
plain bearings
300/1
,
300/2
,
300/3
O-rings
400/1, 400/2, 400/3, 400/4
thrust ring
405/1
,
405/2
pre-tensioned by the
Pressure springs
952/1, 952/2
Packing ring
402/1
Discs
550/1, 550/2, 550/3,
550/6
550/4, 550/5
(not in DN 50-100)
Ring
500
Top sleeve
418
Pressure sleeve
419/1, 419/2
Bearing bush
312/1, 312/2
See
Fig. 1
and
2
stem seal at top and
Fig. 3
and
4
stem seal at bottom.
Klappenteller und
–
welle sind zentrisch gelagert
Fig. 1
(DN 50-100)
Fig. 2
(DN 150-350)
Details to Fig. 3 and 4
Fig. 3
(DN 50-100)
Fig. 4
(DN 150-350)
Details to Fig. 3 and 4