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Pressure in the upper column of DCS

2024-04-07View Original

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I have a gentle question: on the DCS of chemical processing units, at what pressure – 0 Mpa or 0.1 Mpa – does the pressure in the tower equal the external atmospheric pressure? Thank you
Reply #22024-04-07
At 0.1 Mpa, it is in balance with the external atmospheric pressure. .
Reply #32024-04-07
It should be that when the DCS shows a tower pressure of 0, it is in equilibrium with atmospheric pressure, as the pressure measured by the instrument is gauge pressure

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Translated at 2026-07-23 15:09:24

Original: https://bbs.hcbbs.com/thread-5660689-1-1.html

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