Compressed Air - Size of Pipe vs. Capacity

Air pipe lines capacities at pressure 100 psi (6.9 bar). Recommended air pipe line sizes with schedule 40 steel pipes and air pressure 100 psi (6.9 bar, 689500 Pa).

Calculator

Inputs

Results

Recommended Pipe Size-- inches
Free Air Flow (cfm)25 feet50 feet75 feet100 feet150 feet200 feet250 feet
51/21/21/21/21/21/21/2
101/21/21/21/21/21/21/2
151/21/21/21/23/43/43/4
201/21/23/43/43/43/43/4
251/23/43/43/43/411
301/23/43/43/4111
353/43/43/43/4111
403/43/43/41111
453/43/411111 1/4
503/411111 1/41 1/4
553/41111 1/41 1/41 1/4
603/41111 1/41 1/41 1/4
653/41111 1/41 1/41 1/4
703/4111 1/41 1/41 1/41 1/4
751111 1/41 1/41 1/41 1/4
80111 1/41 1/41 1/41 1/41 1/4
85111 1/41 1/41 1/41 1/41 1/4
90111 1/41 1/41 1/41 1/41 1/2
9511 1/41 1/41 1/41 1/41 1/41 1/2
10011 1/41 1/41 1/41 1/41 1/21 1/2
Compressed Air - Size of Pipe vs. Capacity | MEPKit Engineering Tools | MEPKit