 |
|||||
|
|
|
Flow rates verses head loss for 3/4" thru 2" valves |
|
PRESSURE LOSS (psi) |
|||||||||||||
|
Flow rates(GPM) |
5 |
9 |
13 |
18 |
22 |
26 |
31 |
35 |
|||||
|
3/4" |
3 |
3.5 |
4.2 |
6 |
7.2 |
8.5 |
X |
X |
|||||
|
1" |
3 |
3 |
4 |
4.5 |
5 |
5.5 |
7 |
8.5 |
|||||
|
Flow rates (GPM) |
20 |
35 |
45 |
55 |
65 |
90 |
120 |
132 |
154 |
160 |
|||
|
1-1/2" |
2.5 |
2.8 |
3.2 |
3.2 |
4.2 |
5.0 |
6.6 |
8.5 |
X |
X |
|||
|
2" |
2.4 |
2.6 |
2.7 |
2.8 |
3.1 |
4.3 |
5.3 |
6 |
8.5 |
9.1 |
|||
|
PRESSURE LOSS (kg/cm2) |
|||||||||||||
|
Flow rates (m3h) |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
|||||
|
3/4" |
0.21 |
0.25 |
0.30 |
0.42 |
0.51 |
0.60 |
X |
X |
|||||
|
1" |
0.20 |
0.23 |
0.23 |
0.33 |
0.35 |
0.39 |
0.51 |
0.60 |
|||||
|
Flow rates (m3h) |
5 |
8 |
10 |
13 |
15 |
20 |
27 |
30 |
35 |
36 |
|||
|
1-1/2" |
0.19 |
0.20 |
0.22 |
0.23 |
0.30 |
0.35 |
0.46 |
0.60 |
X |
X |
|||
|
2" |
0.17 |
0.18 |
0.19 |
0.20 |
0.22 |
0.30 |
0.37 |
0.42 |
0.60 |
0.64 |
|||
|
|
X not recommended | ||||||||||||