Air Receiver Sizing Calculator

This calculation uses the air consumption rate of the instruments and determines the size of an air receiver based on the time required to meet a minimum pressure. The minimum pressure is generally the low pressure set point of a compressor. The initial pressure is the design pressure the receiver. The calculation is displayed symbolically as:

\(\large{ Size_{gallons} =  \frac{Pressure_{Atmospheric} \: \times \;Time \;(Flow_{out} \;-\; Flow_{in})} {Pressure_{Initial} \;-\; Pressure_{Final}}  }\)

If the compressor only runs when the low level pressure is met, then the Flow_in would equal zero.