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7 Technical data
Kv values:
7.4 Product compliance
Machinery Directive:
EMC Directive:
Low Voltage
Directive:
GEMÜ 798
V-ball 90° (code W)
DN
NPS
0
8
1/4"
0
0.037 0.086 0.212
10
3/8"
0
0.043 0.098 0.242 0.446 0.752 1.152
15
1/2"
0
0.085
20
3/4"
0
25
1"
0
32
1¼"
0
0.255
40
1½"
0
0.425 0.765 2.975
50
2"
0
0.595
65
2½"
0
0.425 1.445
80
3"
0
0.595 2.975
100
4"
0
Kv values in m³/h
2006/42/EC
2014/30/EU
2014/35/EU
Opening angle
15%
20%
30%
40%
0.39
0.17
0.34
0.51
0.17
0.34
0.68
1.02
0.17
0.51
1.53
2.89
0.68
1.7
4.25
5.95
1.7
5.1
10.2
5.95
11.9
6.8
15.3
0.85
2.975
13.6
34
12 / 51
50%
60%
70%
80%
0.658 1.008 1.391 1.837 2.332 3.012
1.59
2.1
0.765 1.275
1.87
3.23
1.7
2.635
3.91
6.8
4.335 6.885
9.69
13.6
6.8
11.9
16.15
23.8
11.05
17
26.35
35.7
18.7
29.75 38.25
59.5
23.8
40.8
59.5
90.1
29.75
51
76.5
114.8 174.3 263.5
63.75 106.3 161.5 250.8 375.7 569.5
www.gemu-group.com
90%
100%
2.665 3.443
4.59
5.865
9.605
11.9
17.85 24.65
33.15 46.75
53.55
66.3
89.25 114.8
136
185.3
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