Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Calculate pressure drops in vacuum pipe lines.
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 Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more. Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves. Related Documents Actual air compressor capacity (ACFM) vs. standard air capacity (SCFM) and inlet air capacity (ICFM). Convert between inches, feet, yards and meters. Vacuum is defined as air pressure below atmospheric pressure. Convert vacuum air volume to standard air volume Vacuum pumps - calculate flow rate and required evacuation time. Measure air volume flow in vacuum. Converting between vacuum units like % vacuum - mm Mercury - psi - torr - micron - kPa. Air velocity diagrams for vacuum pipe lines. Capacities of vacuum pump exhaust pipes. Online calculator, figures and tables giving the boiling temperatures of water in varying vacuum, SI and Imperial units. Critical point is where vapor and liquid are indistinguishable and triple point is where ice, water and vapor coexist in thermodynamic equilibrium.
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