Chilled Water Pipe Pressure Drop Calculator

Chilled Water Pipe Pressure Drop Calculator

Here’s a basic table template that includes these parameters:

Pipe Diameter (in/mm)Flow Rate (GPM/L/s)Pipe Length (ft/m)Friction FactorPressure Drop per Unit Length (psi/ft or Pa/m)Total Pressure Drop (psi or Pa)
1 inch / 25 mm10 GPM / 0.63 L/s100 ft / 30 m0.020.3 psi/ft / 2000 Pa/m30 psi / 60000 Pa
2 inches / 50 mm20 GPM / 1.26 L/s200 ft / 60 m0.020.2 psi/ft / 1500 Pa/m40 psi / 90000 Pa
3 inches / 75 mm30 GPM / 1.89 L/s300 ft / 90 m0.0150.15 psi/ft / 1000 Pa/m45 psi / 90000 Pa

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