Compressed Air Pipe Line Capacity

Capacities of compressed air pipelines - applied pressure ranging 5 - 250 psi (0.5 - 17 bar)

Applied Pressure - psi

The diagram below can be used to estimate the flow capacity in a compressed air pipeline with pressure ranging 5 - 250 psi.

compressed air pipe line capacity psi

  • schedule 40 pipe
  • for pipes ranging size 1/8" to 1/2" - pressure drop 10% of applied pressure per 100 feet of pipe
  • for pipes ranging size 3/4" to 3" - pressure drop 5% of applied pressure per 100 feet of pipe
  • SCFM

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Applied Pressure - bar

The diagram below can be used to estimate the flow capacity in a compressed air pipeline with pressure ranging 0.5 - 17 bar.

compressed air pipe line capacity bar

Example - Capacity in Compressed Air Pipe Line

From the diagram above the capacity of a 1" pipe line at pressure 7 bar is approximately 60-70 liter/s.

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