The refrigerant flows through the coils on the back or under the freezer and through an expansion valve to the inside of the freezer. As the refrigerant passes through the expansion valve the pressure drops and hence the temperature also drops.
The noun MM has 1 sense: 1  1. a metric unit of length equal to one thousandth of a meter. 2  Meaning: 3  A metric unit of length equal to one thousandth of a meter. 4  Classified under: 5  Nouns denoting quantities and units of measure. 6  Synonyms: 7  millimeter; millimetre; mm. 8  Hypernyms (mm is a kind of...):
gt; MMSCFD conversion calculation; What is the MMSCFD (Million Standard Cubic Feet per Day) flowrate corresponding to 100m 3 /hr of nitrogen flowing through a pipe? A cubic meter is a cubic meter and that is; between Standard cubic meter per hour and Normal; to million million standard cubic feet per day...