Draft System Parameters
CO2 Pressure (PSI)
The CO2 regulator pressure applied to the keg. Typical range: 8 to 14 PSI.
Vertical Rise (feet)
Height from the center of the keg to the faucet tap.
Tubing Type
3/16" ID Vinyl Tubing (3.0 PSI/ft)
3/16" ID Polyethylene Tubing (2.2 PSI/ft)
1/4" ID Vinyl Tubing (0.85 PSI/ft)
5/16" ID Vinyl Tubing (0.40 PSI/ft)
3/8" ID Vinyl Tubing (0.20 PSI/ft)
Custom Resistance
Custom Tubing Resistance (PSI/ft)
Enter the resistance rating for your specific tubing in PSI per foot.
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Faucet Resistance (PSI)
Resistance from the faucet assembly. Standard faucets are approximately 1 to 2 PSI.
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Step-by-Step Derivation