The following table provides pipe break leak size guidance:
|
Flow
|
|
Emitter at 40m/40psi
|
|
|
L/s
|
gpm
|
L/s/sqrt (m)
|
gpm/sqrt (psi)
|
Leaky Faucet
|
0.1
|
1.5
|
0.015
|
0.25
|
Garden Hose
|
1
|
15
|
0.15
|
2.5
|
Gutter During Heavy Rain
|
10
|
150
|
1.5
|
25
|
Flowing Hydrant
|
100
|
1500
|
15
|
250
|
Small Stream
|
1000
|
15000
|
150
|
2500
|
Note: To prevent negative
demands, use the emitter coefficient or use Pressure Dependent Demands.