CompDX
Receiver Sizing
All calculators
Formula
V = (t × C × 14.7 × 7.48) / (P₁ − P₂)
Unit system
Imperial (CFM, PSI, gal)
Metric (L/s, bar, L)
Event flow
cfm
Duration
min
Initial pressure
psig
Final (allowed)
psig
Minimum receiver
220
gal
Rule-of-thumb (4 gal/CFM)
200
gal
Use the larger of the two for variable demand.
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