Note: For optimum performance, calculate total friction loss to ensure sufficient
downstream pressure.
Friction Loss
Flow (GPM)
Model
5
10
20
30
40
50
60
70
80
90
100
110
120
130
140
50
180
200
225 250
275
300
1" Globe
4.00 4.20 3.20
4.10 7.20 10.90
1" Angle
4.00 4.20 3.10 2..70 4.80 7.90
1
1
⁄
2
" Globe 4.00 4.20 3.10 2..70 4.80 7.90
1
1
⁄
2
" Angle
1.6
2.3
3.6
5.2
7.0
9.2
11.7 14.4
17.5
2"
1.0
2.0
2.0
2.5
3.0
3.5
6.0
7.5
10.0 12.0
14.0
3"
2.2
2.4
2.5
3.0
4.0
4.5
5.5
6.5
7.0
7.5
