Data Sheet for Product

599 Zone Valve Series: Two-Way and Three-Way Technical Instructions
Document No. 155-320P25
March 11, 2019
Siemens Industry, Inc. Page 3
Table 3. Maximum Water Capacity - U.S. Gallons per Minute.
Valve
Size
inches
Pressure Differential - psi
Cv\1
2
3
4
5
6
8
10
15
20
25
30
40
50
60
75
0.5
1.0
1.4
1.7
2.0
2.2
2.4
2.8
3.2
3.9
4.4
5.0
5.5
6.3
4.1
7.7
8.7
0.5
2.5
3.5
4.3
5.0
5.6
6.1
7.1
7.9
9.7
11.2
12.5
13.7
15.8
17.7
19.4
21.7
0.5/0.75
4.1
5.8
7.1
8.2
9.2
10.0
11.6
13.0
15.9
18.3
20.5
22.5
25.9
29.0
31.8
35.5
1.00
7.0
9.9
12.1
14.0
15.7
17.1
19.8
22.1
27.1
31.3
35.0
38.3
44.3
49.5
54.2
60.6
Table 4. Maximum Water Capacity - Cubic Meters per Hour (m
3
/hr).
Valve
Size
mm
Pressure Differential - kPa
1
10
20
30
40
50
60
80
Kvs/100
150
200
300
400
500
15
0.9
0.27
0.38
0.47
0.54
0.60
0.66
0.76
0.85
1.04
1.20
1.47
1.70
1.90
15
0.21
0.68
0.96
1.17
1.35
1.51
1.66
1.91
2.15
2.60
3.00
3.70
4.30
4.80
15/20
0.35
1.12
1.59
1.94
2.24
2.51
2.75
3.17
3.50
4.34
5.01
6.14
7.09
7.93
25
0.60
1.91
2.71
3.32
3.83
4.28
4.69
5.41
6.00
7.41
8.56
10.48
12.11
13.54
Figure 2. Water Capacity Graph.
Selection Example
See Figure 2.
Select a valve given:
 Required flow = 6 gpm
 Desired pressure drop = 6 psi
 Choose a 1/2-inch (15-mm) valve, Cv 2.5