Compressed Air Pipe Sizing: 2.0
Compressed air pipe sizing data for Schedule 40 carbon steel distribution piping — pressure drop (psi/100 ft), maximum flow capacity (SCFM at <1 psi/100ft), and pipe velocity at supply pressures 90/100/125/150 psig for nominal pipe sizes 0.5 inch through 6 inch. Also includes fitting equivalent lengths (90-deg elbow, 45-deg elbow, tee-branch, tee-run, gate valve, ball valve) per Crane TP-410 L/D method. Pressure drops computed via CAGI empirical formula dp=7.57*q^1.85*L*1e4/(d^5*p). Per CAGI Compressed Air & Gas Handbook 6th Ed, Atlas Copco Compressed Air Manual 8th Ed, Kaeser Engineering Guide.
| pipe size nominal | record id | flow scfm (SCFM) | id in (in) | notes | pipe material | pressure drop psi per 100ft (psi/100ft) | record type | supply pressure psig (psig) | velocity fpm (fpm) |
|---|---|---|---|---|---|---|---|---|---|
| 2.0 | 2.0in_sch40_100psig_300scfm | 300 | 2.067 | ID=2.067 in Sch40 | carbon_steel_sch40 | 0.67 | flow_data | 100 | 6,540 |
| 2.0 | 2.0in_sch40_100psig_750scfm | 750 | 2.067 | Near max recommended | carbon_steel_sch40 | 3.72 | flow_data | 100 | 16,360 |
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