Kv values:
6.4 Product compliance
Food:
Drinking water:
Gas:
Ship approval:
Pressure Equipment Dir-
ective:
Explosion protection:
ATEX marking:
www.gemu-group.com
DN
20°
25
0.7
32
2.5
40
2.5
50
3.4
65
8.5
80
19
100
29
125
48
100
150
60
150
200
110
281
250
200
444
300
250
946
350
466
1036
400
644
1431
450
1039
2308
500
1083
2406
600
1563
3473
Kv values in m³/h
When the opening angle is below 30° no regulation should be made!
FDA
DVGW
ACS
WRAS
Belgaqua
DVGW
DNV GL
2014/68/EU
2014/34/EU (ATEX)
Gas:
II 2G C IIB TX X
Dust:
II 2D c TX X
Kv values at opening angle
30°
40°
50°
2
4.1
7.2
7
14.4
25.1
7
14.4
25.1
8.5
20
33
15
30
64
40
66
117
75
137
213
185
315
281
450
472
759
738
1187
1064
1668
1721
2767
2376
3820
3834
6163
3997
6425
5770
9276
53 / 76
60°
70°
80°
11
14.5
16.6
38.3
50.6
57.8
38.3
50.6
57.8
52
80
90
95
129
142
168
250
275
316
432
518
470
660
785
702
1039
1325
1210
1835
2360
1886
2918
3902
2539
3860
5400
4397
6803
9097
6072
9394
12561
9796
15154
20264
10213
15800
21127
14744
22809
30500
GEMÜ 480 Victoria
6 Technical data
90°
17.2
60
60
91
147
283
548
826
1407
2482
4072
5420
9494
13110
21149
22050
31832