Free tools
Air receiver size
The receiver stores air, absorbs demand peaks and stops the compressor from starting too often. Calculate the minimum volume for your machine.
Free tools
The receiver stores air, absorbs demand peaks and stops the compressor from starting too often. Calculate the minimum volume for your machine.
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How this is calculated
The volume uses the usual air receiver formula: V = 0.25 × Q × p₀ / (f × Δp), where Q is the compressor flow, p₀ atmospheric pressure, f the maximum number of cycles and Δp the difference between cut-out and cut-in pressure. The smaller the pressure band, or the fewer starts you allow, the bigger the receiver must be.
The default values are orders of magnitude: a piston compressor tolerates fewer starts per hour than a screw compressor. For a paint station or very irregular demand, choose a receiver larger than the minimum.
In practice?
Round the result up to the next standard air receiver volume. If you plan to add workstations or if your tools consume air in bursts, allow a margin. A larger air receiver does not make you consume more energy: it spaces out the starts and stabilises the pressure. To choose the model, see our compressed air receivers page or request a quote.