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I have a question about a unit

2009-03-02View Original

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As the title suggests, I would like to know: What do the pressure units PSI, PSIA, and PSIG mean?
Reply #22009-03-02
Pounds Per Sq. In.: PSI – Pounds per square inch 2 (lbf/in2, psi). It is a British unit; the last two values represent absolute pressure and gauge pressure respectively
Reply #32009-03-02
PSI is a unit of pressure in the imperial system; 1 PSI = 6.895 kPa. PSIA and PSIG are likely the absolute pressure and gauge pressure expressed in this unit

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Translated at 2026-07-28 04:28:32

Original: https://bbs.hcbbs.com/thread-403922-1-1.html

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