Conversion Chart
Page 16
April 2017
VAM-UM-00646-EN-04
Flow vs Pressure Drop
Petroleum Fluids
3/4"/ 1"
2-20
3-30
5-50
4-40
1-10
FLOW, GPM
PRESSURE DR
OP
, PSI
1-1/4" / 1-1/2"
10-150
10-100
10-75
5-50
3-30
FLOW, GPM
PRESSURE DR
OP
, PSI
1/2"
1-15
1-10
0.5-5.0
FLOW, GPM
PRESSURE DR
OP
, PSI
FLOW, GPM
PRESSURE DR
OP
, PSI
1/4"
0.20-2.0
0.10-1.0
1/2" Reverse Flow
0.1-1.0
0.5-5.0
0.2-2.0
1-10
1-15
FLOW, GPM
PRESSURE DR
OP
, PSI
3/4"/1" Reverse Flow
0.2-2.0
0.5-5.0
1-10
2-20
3-30
4-40
FLOW, GPM
PRESSURE DR
OP
, PSI
1-1/4"/1-1/2" Reverse Flow
3-30
5-50
10-75
10-100
10-150
FLOW, GPM
PRESSURE DR
OP
, PSI
0 1 2 2.5
0
2
4
0.1-1.0
0.2-2.0
0 1 2 3
5
4
0
2
4
6
0.2-2.0
0.5-5.0
0
2
4
6
0.5
0.0
.02-.20
.05-.50
Figure 11: Petroleum fluids flow vs pressure drop
