ART 22
V1
Kv Values - DN 25
ART 22
Kvs=9.2
36
P
V
K
=
Q
0.08
0.06
0.04
20
30
40
50
60
80
0.2
0.3
0.4
0.5
0.6
0.8
8
6
5
4
3
2
0.02
0.1
1
0.1
Pr
essur
e Loss -
∆p
(kPa)
2
10
100
Flow rate -
Q
(l/s)
0.2
0.4
0.6 0.8 1
Turns N°
4.0
25% OPEN
2.0
3.0
1.0
0.3
0.5
Kv (Flow rate in m
3
/h @ 1 bar pressure drop)
Full turn
Tenths of turn
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0
-
-
-
0.96
1.21
1.45
1.65
1.84
2.04
2.25
1
2.46
2.66
2.87
3.09
3.32
3.54
3.74
3.91
4.10
4.24
2
4.43
4.59
4.78
4.98
5.17
5.34
5.51
5.67
5.82
5.98
3
6.09
6.24
6.38
6.51
6.65
6.79
6.89
6.99
7.08
7.19
4
7.28
