P (mm w.g.), P (kpa), Mv sv – Caleffi 662 User Manual
Page 3: Hydraulic characteristics 3, Flow rate (l/min) (m, Kv = flow rate in m, H for a loss of head of 1 bar - kv, Flow rate in l/h for a loss of head of 1 kpa
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Micrometric preregulation valve fully open (MV)
Shut-off valve (SV)
Kv
1,25
4,10
Kv
0,01
125
410
1000
100
∆p (mm w.g.)
200
50
500
900
800
700
600
60
70
80
90
120
140
160
180
250
300
350
400
450
10
1
2
0,5
5
9
8
7
6
0,6
0,7
0,8
0,9
1,2
1,4
1,6
1,8
2,5
3
3,5
4
4,5
∆p (kPa)
10
20
12
14
16
18
25
30
35
40
45
0,1
0,2
0,12
0,14
0,16
0,18
0,25
0,3
0,35
0,4
0,45
10
20
0,5
1
2
5
0,2
2
0,1
Flow
rate
(l/min)
(m
3
/h)
MV
SV
- Kv = flow rate in m
3
/h for a loss of head of 1 bar
- Kv
0,01
= flow rate in l/h for a loss of head of 1 kPa
Hydraulic characteristics
3
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