Brochure
7
C
v
Values for Valve Series STVL, STV, STVA
Handwheel
Setting
1
1.5
2
2.5
3
3.2
3.4
3.6
3.8
4
4.2
4.4
4.6
4.8
5
5.2
5.4
5.6
5.8
6
6.2
6.4
6.6
6.8
7
7.2
7.4
7.6
7.8
8
8.2
8.4
8.6
8.8
9
9.2
9.4
9.6
9.8
10
1/2”
DN 15
0.21
0.29
0.37
0.44
0.52
0.56
0.59
0.63
0.67
0.72
0.77
0.81
0.87
0.93
1
1.07
1.14
1.21
1.28
1.36
1.44
1.52
1.62
1.74
1.88
2.06
2.26
2.49
2.73
2.96
3.13
3.29
3.42
3.54
3.65
3.77
3.87
3.98
4.06
4.12*
3/4”
DN 20
0.39
0.56
0.7
0.82
0.96
1.02
1.09
1.16
1.23
1.31
1.39
1.48
1.58
1.68
1.8
1.91
2.03
2.16
2.3
2.44
2.6
2.76
2.96
3.16
3.36
3.6
3.83
4.06
4.27
4.47
4.63
4.78
4.93
5.08
5.22
5.36
5.5
5.64
5.78
5.92*
1”
DN 25
0.56
0.75
0.89
1.04
1.19
1.28
1.39
1.51
1.62
1.74
1.91
2.09
2.26
2.44
2.67
2.9
3.19
3.48
3.83
4.18
4.47
4.76
5.1
5.45
5.8
6.15
6.5
6.84
7.19
7.54
7.89
8.24
8.58
8.87
9.16
9.4
9.63
9.86
10
10.2*
1 1/4”
DN 32
0.92
1.28
1.53
1.8
2.09
2.26
2.44
2.67
2.9
3.13
3.42
3.71
4.06
4.41
4.76
5.16
5.57
5.97
6.38
6.84
7.25
7.66
8.12
8.58
9.05
9.51
9.98
10.4
10.8
11.3
11.7
12.2
12.6
13
13.3
13.7
14.2
14.5
14.8
15.2*
1 1/2”
DN 40
1.39
1.97
2.38
2.78
3.25
3.48
3.71
4.06
4.41
4.76
5.1
5.57
6.03
6.61
7.19
7.77
8.35
8.93
9.63
10.3
11
11.8
12.5
13.2
13.9
14.6
15.3
15.9
16.5
17.1
17.6
18.2
18.8
19.4
19.8
20.3
20.9
21.5
22
22.6*
2”
DN 50
2.32
3.25
4.18
5.1
6.03
6.5
6.96
7.54
8.12
8.82
9.74
10.7
11.7
12.8
13.8
15
16
17.2
18.3
19.4
20.4
21.5
22.5
23.5
24.6
25.5
26.4
27.4
28.2
29
29.9
30.7
31.6
32.4
33.2
33.9
34.6
35.3
36
36.5*
2 1/2”
DN 65
3.2
4.6
5.9
8.5
11.1
13.1
15.1
17.4
20.3
23.2
26.8
30.4
34
37.6
41.2
44.8
48.4
52
55.6
59.2
62.6
66.1
69.6
73.1
76.6
80
82.9
85.8
88.7
91.1
93.4
95.7
97.4
99.2
101
103
104
106
107
108*
3”
DN 80
6.4
8.7
11
13.3
15.7
16.6
17.5
18.6
19.7
21.5
23.2
24.9
27.3
30.7
34.2
38.3
42.9
47.6
52.2
56.8
61.5
66.1
70.8
75.4
79.5
83.5
87.6
91.6
95.1
98.6
102
105
108
111
114
116
119
123
125
128*
4”
DN 100
9.3
12.8
15.7
19.1
22
23.8
25.5
29
33.6
38.3
45.2
53.4
61.5
69.6
77.7
85.8
94
102
109
115
122
129
135
140
145
151
157
162
168
174
180
186
190
194
197
202
206
211
216
220*
5”
DN 125
11.6
19.7
25.5
30.2
38.3
42.9
48.7
55.7
63.8
73.1
82.4
91.6
102
113
123
135
146
157
166
174
183
194
204
215
225
235
246
255
264
274
283
292
302
310
317
324
331
338
343
349*
6”
DN 150
20.9
29
38.3
53.4
78.9
90.5
103
118
135
151
164
176
189
202
216
231
246
260
273
285
298
311
322
332
341
351
363
374
384
394
406
418
428
437
447
456
465
474
484
493*
Flow coefficient values (Cv’s) at various handwheel settings
Use this diagram to
calculate and size a
piping system.
The pressure drop
diagram on pages 8
and 9 can also be used.
Use the corresponding diagram to calculate
and size a piping system. The pressure drop
diagram on page 10 can also be used.
C
v
Values for Valve Series STVC
Handwheel
Setting
2
3
4
5
6
7
8
9
10
11
12
14
16
18
8”
DN 200
46
66
84
139
215
290
365
452
545
638
696*
-
-
-
10”
DN 250
116
160
204
349
494
689
884
1031
1177
1291
1405*
-
-
-
12”
DN 300
116
180
244
396
546
708
869
1012
1153
1290
1427
1588
1668
1764*
Flow coefficient values (Cv’s)
at various handwheel settings
* Valve is fully open
* Valve is fully open
®
BALANCING
MA CON