Compressed Air Pipe Lines - Recommended Size
Air pipe lines at pressure 100 psi
Recommended air pipe line sizes with schedule 40 steel pipes and air pressure 100 psi (6.9 bar, 689500 Pa):
Recommended Pipe Size (inches) | |||||||
---|---|---|---|---|---|---|---|
Free Air Flow (cfm) | Length of Pipe (feet) | ||||||
25 | 50 | 75 | 100 | 150 | 200 | 250 | |
5 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
10 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 |
15 | 1/2 | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 |
20 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 |
25 | 1/2 | 3/4 | 3/4 | 3/4 | 3/4 | 1 | 1 |
30 | 1/2 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 |
35 | 3/4 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 |
40 | 3/4 | 3/4 | 3/4 | 1 | 1 | 1 | 1 |
45 | 3/4 | 3/4 | 1 | 1 | 1 | 1 | 1 1/4 |
50 | 3/4 | 1 | 1 | 1 | 1 | 1 1/4 | 1 1/4 |
55 | 3/4 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 |
60 | 3/4 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 |
65 | 3/4 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 |
70 | 3/4 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
75 | 1 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
80 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
85 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 |
90 | 1 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 |
95 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 |
100 | 1 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 | 1 1/2 |
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