Pounds of pressure per square inch guage, using atmospheric pressure as a base.

Pounds per square inch gauge.

Abbreviation for pounds per square inch gage

Pounds per square inch gage. Pressure in relationship to the ambient air pressure

pounds per square inch gage* range (cooling range)

Pound per square inch gage. Pressure referenced to ambient air pressure.

(POUNDS PER SQUARE INCH): 0 psig = 14.696 psia (psi absolute) = 1.0 atmosphere.

pounds per square inch gage (same as psi).

The pressure relative to atmosphere. For instance, 10 PSIG equals 24.7 PSIA. This is the more common pressure term.