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Vacuum Pipe Lines - Pressure Drops
Vacuum pipes and pressure drops
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Pressure drop in vacuum pipelines are indicated in the diagrams below.
Air Flow - scfm - and Pressure Drop - in Hg/100 ft
The diagram is based on initial vacuum pressure 20 in Hg (67%) 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
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Related Topics
- Fluid Flow and Pressure Drop - Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more
- Gas and Compressed Air - Gas properties, capacities of pipelines, sizing of relief valves - air, LNG, LPG and more
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