Transcription of Basicprinciplesofvacuumtechnology,briefoverview - Festo
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Basicprinciplesofvacuumtechnology,briefoverview - Festo
Subjecttochange1 Internet: principles of vacuum technology, brief overviewIntroductionBasic principles of vacuum technologyWhat is a vacuum?Vacuum rangesUnits of measurementA vacuum is a space entirely devoid ofmatter ( absolute vacuum ).In practice we talk about a vacuumwhen the air pressure in a space liesbelow atmospheric [pa]P[mbar]There are a large number of nationaland international units ofmeasurement. The most commonlyused units are Pascal (Pa) and bar100Pa =1hPa1hPa =1mbar1 mbar = barThe vacuum level is often expressedas a % value. However, these arealways relative = Rough vacuumFV = Medium vacuumHV = High vacuumUHV = Ultra-high vacuumWhat is a vacuum used for?
Subjecttochange Internet:www.festo.com/catalogue/... 1 Basicprinciplesofvacuumtechnology,briefoverview Introduction Basicprinciplesofvacuumtechnology
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