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#1
09-28-2006, 01:27 PM
 Unregistered Guest Posts: n/a
MPaG to PSIG

not sure wat MPaG stand for exactly. any help greatly appreciated.
#2
09-28-2006, 08:36 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,467 Rep Power: 13
Re: MPaG to PSIG

MPa stands for megapascal. The G stands for gauge which means the pressure was read from a guage.

PSI stands for pounds/square inch. The G stands for the same as above.

When pressure is read from a guage, its actually measuring the difference of the pressure in the pipe and the pressure of the atmosphere. As an example, when the pressure inside the pipe is 1 atmosphere, the guage will be reading 0, because the pressure inside the pipe is exactly the same as the pressure outside the pipe.

If you need Absolute pressure, you need to add 1 atmosphere to the reading of the guage. But you do not need to do anything, because in your case you are not converting to absolute pressure, you are converting from one guage measurement to another guage measurement.

1 megapascal = 145.037738007 pound/square inch
1 MpaG = 145.037738007 PSIG
#3
12-18-2010, 11:14 AM
 Unregistered Guest Posts: n/a
Re: MPaG to PSIG

Megapascals gage
#4
05-05-2011, 08:47 AM
 Unregistered Guest Posts: n/a
Re: MPaG to PSIG

PLS HELP ME WITH THE FOLLOWING.25MPaG(250kgf/cm3G,3600 psiG) what does this mean in Kpa or Bar
#5
05-05-2011, 03:43 PM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,535 Rep Power: 19
Re: MPaG to PSIG

Quote:
 Originally Posted by Unregistered PLS HELP ME WITH THE FOLLOWING.25MPaG(250kgf/cm3G,3600 psiG) what does this mean in Kpa or Bar
25 MPa = 25000 kPa. The G means gauge, over atmospheric pressure. The 250 kgf/cm³ and 3600 psi are approximately the same pressure in other units rounded.

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