Vacuum Pipes - Pressure Loss vs. Air Flow
Pressure drop in vacuum pipelines:
Air Flow - scfm - and Pressure Drop - in Hg/100 ft
The diagram is based on initial vacuum pressure 20 in Hg (67% vacuum) and steel pipes schedule 40.
- 1 in Hg = 3.37 kPa
- 1 scfm = 0.472 nl/s
Air Flow - nl/s - and Pressure Drop - kPa/100 m
Related Topics
• Fluid Flow and Pressure Loss in Pipes and Tubes
Fluid flow and pressure loss in pipe lines. Water and sewer systems. Steel pipes, pvc pipes, copper tubes and more.
• Gases and Compressed Air
Properties of air, LNG, LPG and other common gases. Pipeline capacities and sizing of relief valves.
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