Velocity and Flow Capacity of Oil Schedule 160 Pipe

Fluid Flow Table of Contents
Hydraulic and Pneumatic Knowledge

Velocity and Flow Capacity of Oil Schedule 160 Pipe

V =(GPM x .3208) /A

GPM = (V x A)/0.3208

V = Oil velocity in feet per second
GPM = flow in gallons per minute (GPM)
A = Inside area of pipe in square inches (in2).

Schedule 160 Pipe Flow Capacity Rates
Pipe NPT
Nom. Size
2
Ft/Sec.
4
Ft/Sec.
10
Ft/Sec.
15
Ft/Sec.
20
Ft/Sec.
30
Ft/Sec.
1/2
1.05
2.11
5.27
7.91
10.54
15.81
3/4
1.83
3.67
9.17
13.75
18.34
27.51
1
3.25
6.50
16.26
24.39
32.52
48.78
1-1/4
6.59
13.18
32.94
49.41
65.89
98.83
1-1/2
8.76
17.52
43.80
65.70
87.59
131.39
2
13.93
27.87
69.67
104.51
139.35
209.02
2-1/2
22.11
44.22
110.55
165.83
221.10
331.65
3
33.71
67.43
168.57
252.85
337.13
505.70

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