What does “pressure (abs.)” mean?
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For example: operating pressure (abs.): 0.012 Mpag. I want to know what \"abs.\" means. To start with, it is a parameter related to the dust collector. This post was last edited by thyclaire on 2009-3-4 11:02]
Operating pressure (abs.): 0.012 Mpag (abs.) represents absolute pressure
abs. is the abbreviation for absolute; operationg pressure (abs.) is translated as: operating pressure (absolute pressure)
Operating pressure (abs.): 0.012 Mpag. If translated as \"Operating pressure (absolute)\\", then the \"g\" in \"0.012 Mpag\" refers to gauge pressure.
Is the information incorrect? It seems contradictory; the absolute pressure and gauge pressure differ by one atmosphere. Of course, the original poster must first determine what kind of operation the operating pressure here refers to. These are some personal opinions for reference only: As for soot blowing pressure, based on the information I have, the low-pressure soot blowing pressure for bag filters is generally between 0.125 and 0.3 MPa; there are also other types of pressures. Here are the owner’s details: If calculated in terms of absolute pressure, it is less than one atmosphere, which is not sufficient to enable soot blowing; therefore, it is believed that the value in MPa represents gauge pressure, while \"abs.\" is a typo.
Absolute pressure, absolute
Does it make more sense to interpret (abs.) as absolute pressure and 0.012 Mpag as the dust collector pressure difference?
Simpler. The poster is referring to a dust collector, which should operate under negative pressure; therefore, it’s not gauge pressure – only absolute pressure represents negative pressure. :lol
Negative pressure can certainly be gauge pressure.
You’re right; to be more precise, negative pressure is itself gauge pressure. Therefore, a positive pressure value definitely is not negative pressure :)