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Kv values:
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DN
NPS
Kv values
15
1/2"
20
3/4"
25
1"
32
1¼"
40
1½"
213.0
50
2"
366.0
65
2½"
595.0
80
3"
935.0
100
4"
1700.0
Kv values in m³/h
V-ball 30° (code U)
DN
NPS
0
15
1/2"
0
20
3/4"
0
25
1"
0
32
1¼"
0
40
1½"
0
50
2"
0
65
2½"
0
80
3"
0
100
4"
0
Kv values in m³/h
V-ball 60° (code Y)
DN
NPS
0
15
1/2"
0
20
3/4"
0
25
1"
0
32
1¼"
0
40
1½"
0
50
2"
0
65
2½"
0
80
3"
0
100
4"
0
Kv values in m³/h
13.0
34.0
60.0
94.0
15%
20%
30%
40%
0.085 0.085
0.17
0.255 0.425
0.085
0.17
0.425 0.595 0.935
0.085 0.255
0.68
1.105 1.955 2.975 4.335 5.961 8.128
0.17
0.34
0.935
1.7
0.255
0.51
1.36
2.55
0.34
1.02
3.23
5.1
0.34
0.85
3.4
6.8
0.425
1.02
3.4
6.8
0.51
1.7
5.1
12.75 24.65
15%
20%
30%
40%
0.085 0.085 0.255 0.425 0.765
0.085
0.17
0.595
0.85
0.17
0.34
0.935
1.53
0.17
0.51
1.53
2.55
0.34
0.68
2.125
3.4
0.34
1.275
3.91
7.65
0.34
1.275
4.25
8.5
0.425 2.125
5.1
11.9
0.595
2.55
9.35
21.25
15 / 48
7 Ball valve technical data
Opening angle
50%
60%
70%
0.68
0.935
1.53
2.04
3.145 4.675
6.8
4.25
6.375
9.35
8.5
12.75 19.55 26.35 36.55
10.2
15.3
23.8
11.9
19.55 28.05
40.8
60.35
Opening angle
50%
60%
70%
1.19
1.7
1.445
2.38
3.4
2.89
4.505 6.715 10.46 13.01 17.85
4.675 8.075 10.88 16.15
6.8
11.05 16.15 22.95
14.03 22.95 33.15 46.75 70.55
17.85
28.9
45.05 63.75 87.55 127.5
21.25
34.0
55.25 77.35 108.8 140.3
34.0
50.15
76.5
80%
90%
100%
1.36
1.87
2.21
2.805 3.825
4.59
8.5
8.5
11.05 12.75
11.9
14.45
17.0
51.0
31.45
52.7
63.75
39.1
55.25
69.7
85.0
110.5 135.2
80%
90%
100%
2.805
3.74
5.1
5.525
7.65
10.2
22.1
33.15
34.0
44.2
93.5
119.9 180.2 302.6
GEMÜ B56
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