ART 22
V1
Kv Values - DN 50
ART 22
Kvs=42.3
Turns N°
4.0
3.0
2.0
1.0
25% OPEN
0.3
0.5
1.5
36
P
V
=
Q
K
20
30
40
50
60
80
0.2
0.3
0.4
0.5
0.6
0.8
8
6
5
4
3
2
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
3
4
6
8 10
20
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
-
-
-
4.39
5.65
6.72
8.07
8.97
10.04
11.06
1
11.77
12.62
13.51
14.28
15.05
15.73
16.25
17.14
18.06
18.81
2
19.44
20.10
21.04
21.81
22.53
23.12
23.88
24.28
24.75
25.36
3
26.06
26.48
26.91
27.24
27.66
28.10
28.44
28.80
29.17
29.76
4
30.10
