| *Pressure Drop |
Flow |
| 1/8" OD Tube |
1/4" OD Tube |
| psig |
kPa |
scfm |
l/m |
scfm |
l/m |
| 10 |
69 |
0.5 |
14.2 |
3.0 |
85.0 |
| 20 |
138 |
0.8 |
21.2 |
4.8 |
136.0 |
| 30 |
207 |
1.1 |
29.7 |
6.6 |
187.0 |
| 40 |
276 |
1.3 |
37.4 |
8.5 |
241.0 |
| 50 |
345 |
1.6 |
45.3 |
10.4 |
295.0 |
| 60 |
414 |
1.9 |
53.0 |
12.2 |
346.0 |
| 70 |
483 |
2.2 |
60.9 |
14.2 |
402.0 |
| 80 |
552 |
2.4 |
68.7 |
16.0 |
453.0 |
| 90 |
621 |
2.7 |
77.2 |
18.0 |
510.0 |
| 100 |
690 |
3.0 |
85.0 |
19.8 |
561.0 |
For flows at lower pressure, consult more complete references. The above are representative flows for estimating purposes. Wall thicknesses are: 1/8" tube, 0.21" wall; 1/4" tube, .035" wall.
*Values are for discharge to standard atmospheric pressure.
Gas Facts