ART 22
V1
Kv Values - DN 15
ART 22
Kvs=2.3
36
P
V
K
=
Q
0.08
0.8
0.6
0.4
0.2
0.04
0.02
0.06
20
30
40
50
60
80
0.2
0.3
0.4
0.5
0.6
0.8
8
6
5
4
3
2
0.01
0.1
1
0.1
Pr
essur
e Loss -
∆p
(kPa)
1
10
100
Flow rate -
Q
(l/s)
Turns N°
4
2
1
0.3
0.5
1.5
25% OPEN
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
-
-
-
0.47
0.68
0.83
0.98
1.10
1.20
1.29
1
1.37
1.44
1.50
1.55
1.61
1.64
1.67
1.69
1.71
1.72
2
1.73
1.74
1.74
1.76
1.78
1.81
1.84
1.86
1.88
1.89
3
1.90
1.92
1.93
1.95
1.97
1.98
1.98
1.99
2.00
2.00
4
2.00
