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# Compressed Air - Pipe Line Pressure Drop Diagram

## Calculate pressure drop in compressed air pipe lines with a nomograph diagram.

The nomograph diagram below can be used to estimate pressure drop in compressed air pipe lines:

### Example - Pressure Drop in Compressed Air Pipeline

The pressure drop in a compressed air pipe line

• length 100 m
• air flow 500 l/s
• inside diameter 100 mm
• working pressure 9 bar gauge

can be estimated in the diagram by drawing a line from the length line through the air flow volume line to the reference line. From the point on the reference line draw a line through the pipe diameter line to the reference line. From the working pressure line draw a line through the point on the reference line to the pressure drop line.

As indicated below the pressure drop can be estimated to 0.07 bar.

## Related Topics

• ### Gases and Compressed Air

Properties of air, LNG, LPG and other common gases. Pipeline capacities and sizing of relief valves.

## Related Documents

• ### Compressed Air - Laboratory Consumption

Compressed air supply to laboratories.
• ### 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 Pipe Line Capacity

Capacities of compressed air pipelines - pressure ranging 5 - 250 psi (0.5 - 17 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.

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## Citation

• The Engineering ToolBox (2008). Compressed Air - Pipe Line Pressure Drop Diagram. [online] Available at: https://www.engineeringtoolbox.com/compressed-air-pressure-drop-nomograph-d_1278.html [Accessed Day Month Year].

Modify the access date according your visit.

8.21.8

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