5 flow rate value kv [m³/h, 6 weights (ca. kg), Dimensions – Richter NKP Series Butterfly Valves User Manual
Page 6: Flow rate value kv [m³/h, Weights (ca. kg), Series nkl, nklp, nks, nksp, nk, nkp, 4 dimensions
Series NKL, NKLP, NKS, NKSP, NK, NKP
Page 6
9520-070-en
Revision 04
TM 7113
Edition 05/2008
1.4 Dimensions
Nom. size[
E
1
T
1
L
2
Connection
3
[mm]
[inch]
[mm]
[mm]
[mm]
50
2“
28
4
43
F07
80
3“
67
17,5
46
F07
100
4“
87
24,5
52
F07
150
6“
142
48
56
F10
200
8“
193
71
60
F10
250
10“
243
92
68
F12
300
12“
292
112
78
F12
350
14“
343
137
78
F14
400
16“
389
150
102
F14
1
See also Section 6.4, paragraph 1
2
Face to face to DIN EN 558-1, series 20 (ISO 5752, series 20)
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.
1.5 Flow rate value kv [m³/h]
Angel of opening
Nom. Size
[mm]
[inch]
20°
30°
40°
50°
60°
70°
80°
90°
50
2“
1
6
13
24
41
67
104
120
80
3“
5
22
47
82
126
197
264
282
100
4“
11
27
52
93
155
247
412
456
150
6“
37
84
164
276
431
702
1126
1254
200
8“
62
170
354
532
912
1371
2212
2503
250
10“
85
285
512
882
1451
2256
3692
4083
300
12“
159
421
835
1378
2282
3633
5735
6512
350
14“
230
610
1210
2000
3300
5270
8320
9450
400
16“
295
780
1550
2560
4240
6750
10650
12100
1.6 Weights (ca. kg)
Nom. size
Lug style body
Sandwich-
body
Double-flange
body
[mm]
[inch]
open
staff ende
open
staff ende
open
staff ende
Lever
Gear
50
2“
4,5
3,5
4,0
0,7
4,0
80
3“
7,5
4,5
5,0
0,7
4,0
100
4“
9,5
6,0
7,0
0,7
4,0
150
6“
16,0
11,0
12,0
3,7
4,5
200
8“
23,0
15,0
19,5
3,7
4,5
250
10“
35,0
25,0
29,0
--
9,5
300
12“
54,0
33,0
47,5
--
9,5
350
14“
68,0
47,0
--
--
15,0