Conversion Chart
Page 20
April 2017
VAM-UM-00646-EN-04
Water
1-1/4"/ 1-1/2"
10-150
10-100
10-75
5-50
3-30
FLOW, GPM
PRESSURE DR
OP
, PSI
1/4"
.10 -1.0
.20-2.0
FLOW, GPM
PRESSURE DR
OP
, PSI
3/4" / 1"
5-50
4-40
3-30
2-20
FLOW, GPM
PRESSURE DR
OP
, PSI
1-15
1-10
FLOW, GPM
PRESSURE DR
OP
, PSI
1/2"
0.5-5.0
.05-.50
0.2-2.0
0.1-1.0
0.2-2.0
0.5-5.0
1-10
0.2-2.0
Figure 15: Water flow vs pressure drop