Estimate maximum/recommended flow through tubing for pressure-drop target.
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Use the Pneumatic Tube Flow Capacity Calculator to estimate maximum/recommended flow through tubing for pressure-drop target. The calculator uses Internal diameter, Length, Upstream absolute pressure, Allowable pressure drop and Air temperature and reports flow capacity; velocity.
Read the result in the context of the selected units and pressure basis. For this tool, the primary outputs are flow capacity; velocity. Change one input at a time when comparing scenarios so the effect of each variable remains clear.
PneumaForge applies this verified method: Compressible pipe/tube pressure-loss model. The functional engine is shared with related tools in the small-bore-pipe-flow family, while this page solves the specific intent represented by pneumatic tube flow calculator.
Compressible pipe/tube pressure-loss modelReproducible example: start with the calculator's default values (Internal diameter = 25; Length = 10; Upstream absolute pressure = 7.01325; Allowable pressure drop = 0.2) and calculate the result. Then change the variable most relevant to your application and compare the new flow capacity; velocity against the baseline.
User supplies ID, roughness/material or K data. Segment/refine when pressure change is large. Continuum-flow guardrails for vacuum.
It is designed to estimate maximum/recommended flow through tubing for pressure-drop target. The reported outputs are flow capacity; velocity.
The calculator uses Internal diameter, Length, Upstream absolute pressure, Allowable pressure drop and Air temperature. Only use values that represent the same operating condition or design case.
The calculation follows: Compressible pipe/tube pressure-loss model. The page also states the assumptions that define where the method is valid.
User supplies ID, roughness/material or K data. Segment/refine when pressure change is large. Continuum-flow guardrails for vacuum.
Yes. PneumaForge converts supported units through canonical engineering units. For compressed-air reference flows and pressure bases, the reference pressure and temperature must also remain consistent.