6 flow rate value kv [m³/h, 1 disc/stem unit pfa-lined, Dimensions - installation – Richter NKLP-C Series Butterfly Valves User Manual
Page 8: Flow rate value kv [m³/h, Disc/stem unit pfa-lined, Series nks-c, nksp-c, nkl-c, nklp-c, 5 dimensions - installation
Series NKS-C, NKSP-C, NKL-C, NKLP-C
Page 8
9520-072-en
Revision 03
TM 8668
Edition 10/2012
1.5 Dimensions - Installation
Nom. size
E
1
T
1
L
2
Connection
3
[mm]
[inch]
[mm]
[mm]
[mm]
50
2“
31
6
43
F07
65
2½“
48
11
46
F07
80
3“
63
17
46
F07
100
4“
90
27
52
F07
125
5"
118
38
56
F07
150
6“
137
47
56
F07
200
8“
189
71
60
F10
250
10“
239
92
68
F10
300
12“
290
112
78
F10
350
14“
328
125
92
F12
400
16“
377
146
102
F12
450
18"
417
164
114
F14
500
20"
477
184
217
F14
600
24"
560
215
154
F16
700
28"
665
264
154
F16
750
30"
716
289
154
F25
800
32"
767
314
154
F25
900
36"
860
360
154
F25
1000
40"
970
414
154
F30
1
See also Section 6.4, paragraph 1
2
Face to face to DIN EN 558-1, series 20 (ISO 5752, series 20) without DN 350
3
Connections for worm gears and brackets as per DIN ISO 5211
The inside diameter of the mounted pipe flanges must always be greater than the di-
mension E in the table!
For more dimensions, see drawings in Section 10.
1.6 Flow rate value kv [m³/h]
1.6.1 Disc/stem unit PFA-lined
Nom. Size
[mm]
[inch]
Angle of opening
20°
30°
40°
50°
60°
70°
80°
90°
65
2½“
4,4
14,0
27,4
49,4
80
118
158
211
125
5"
23,7
72
127
209
332
477
643
836
300
12"
175
506
824
1283
1982
2746
3600
4588
350
14"
243
698
1129
1742
2669
3664
4759
6024
400
16"
311
887
1424
2182
3315
4512
5807
7300
450
18“
440
1249
1993
3032
4572
6172
7871
9828
500
20“
573
1613
2558
3865
5786
7749
9795
12148
600
24"
796
2257
3601
5478
8260
11149
14218
17754
700
28"
1315
3752
6025
9231
14027
19092
24568
30887
750
30"
1402
4025
6509
10049
15394
21134
27448
34744