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PIPE SIZING : GPM & PRESSURE LOSS

5' - 7' PER SECOND VELOCITY
PIPE SIZE
5' TO 7' FPS GPM RANGE
PSI PRESSURE LOSS PER 100'
½"
5 - 7
11 - 15
¾"
8 - 11
6 - 9
1"
12 - 20
6 - 11
1-¼"
20 - 30
2.7 - 6
1-½"
30 - 50
2.7 - 7
2"
55 - 80
2.5 - 5
2-½"
80 - 100
2 - 3
3"
110 - 175
1.6 - 3
4"
200 - 300
.9 - 2.1
6"
450 - 650
.6 - 1.18
Equivalent Losses
90° Elbow
20'
45° Elbow
12'
Branch Tee
15'
Gate Valve (open)
15'
Ball Valve (open)
25'
Quick Disconnect (open)
35'
Hose Barb
10'

For more information about pipe sizing for water distriibution
call the Advantage Sales Department at 317-887-0729.

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