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# Compressed Air Pipe Line Capacity

## Capacities of compressed air pipelines - 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.

• 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 (normal standard air) in a compressed air pipeline with pressure ranging 0.5 - 17 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.

## Related Topics

• ### Gases and Compressed Air

Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves.

## Related Documents

• ### Compressed Air - Air Flow Discharge through Hoses

Discharged air flow volume through hoses with pressure ranging 30 - 90 psi.
• ### Compressed Air - Friction Loss in Hoses

Friction loss in air hoses vs. operating pressure.
• ### Compressed Air - Laboratory Consumption

Compressed air supply to laboratories.
• ### Compressed Air - Pipe Line Pressure Drop Diagram

Calculate pressure drop in compressed air pipe lines with a nomograph diagram.
• ### Compressed Air - Pipe Line Pressure Loss - Online Calculator with Metric and Imperial Units

Calculate pressure drop in compressed air pipe lines - metric and imperial units.
• ### Compressed Air - Size of Pipe vs. Capacity

Air pipe lines capacities at pressure 100 psi (6.9 bar).
• ### Compressed Air Pipe Lines - Pressure Loss vs. Capacity and Operating Pressure

Pressure drop in compressed air pipe lines.
• ### Compressed Air Pipes - Fittings and Pressure Loss

Fittings in compressed air pipe lines and equivalent length pressure drop.
• ### Compressed Air Piping - Pressure Loss Diagrams, Imperial Units

Pressure drop in compressed air pipelines with applied pressure 50, 100 and 150 psi.
• ### Compressed Air vs. Free Air - Compression Ratio

The ratio of compressed air pressure to free air pressure.
• ### Pipes - Relative Capacity

Relative capacity between larger and smaller pipes.
• ### Pneumatic Piping - Pressure Loss vs. Air Flow

Pressure loss in pneumatic tubes - sizes ranging 5 - 36 mm.

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## Citation

• The Engineering ToolBox (2008). Compressed Air Pipe Line Capacity . [online] Available at: https://www.engineeringtoolbox.com/air-flow-compressed-air-pipe-line-d_1280.html [Accessed Day Month Year].

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12.8.9