In standard English: "What does psig mean?"
The abbreviation stands for pounds per square inch gauge.
PSI is a standard unit of pressure, which may be converted to/from Pascals.
"Gauge" here means relative to surrounding atmospheric pressure.
So a reading of 100 psig means a pressure of 100 psi *above* the atmospheric pressure, which is around around 14.7 psi at sea level, making 114.7 psi absolute pressure.
To convert 150.0 psig (pounds per square inch gauge) to psia (pounds per square inch absolute), you need to add the atmospheric pressure, which is approximately 14.7 psi at sea level. Therefore, the absolute pressure is calculated as follows: 150.0 psig + 14.7 psi = 164.7 psia. Thus, 150.0 psig is equivalent to 164.7 psia.
-14.7psig is the gauge pressure of an absolute vacuum.
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psia to psig psig - 15 15 - 15= 0 psig
psia=psig+atmospheric pressure where, atmospheric pressure = 14.7psi therefore psig=psia-atmospheric pressure psig=100-14.7 psig=85.3psig
70 psig
psig
0.5 psig is equivalent to 13.8 inches of water column.
55 psig +15=70
It means pounds per square inch gauge and Is used to measure pressure
50 psig is equivalent to 64.7 psi. To convert psig to psi, you simply add the atmospheric pressure at sea level, which is about 14.7 psi.
To find the pressure at the inlet of the evaporator, you subtract the pressure drop from the low side pressure. Given a low side pressure of 15 psig and a pressure drop of 10 psig, the inlet pressure would be 15 psig - 10 psig = 5 psig. Therefore, the pressure at the inlet of the evaporator is 5 psig.
PSIG refers to pound/force per square inch gauge, while PSI measures the pressure relative to a vacuum. If you want to convert a figure from PSIG to PSI, you would need to add 14.7psi to your PSIG figure, which will give you your PSIA result.
Psi’s-14.696
10 psig