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Pipe Flow & Pressure Drop Calculator
Calculate flow rate and pressure drop in pipes using Hazen-Williams equation
Pipe Diameter
(inches)
Pipe Length
(feet)
Flow Rate
(GPM)
Pipe Material
New Steel/Iron (C=150)
Cast Iron (C=130)
Old Steel (C=120)
Very Old Steel (C=100)
Elevation Change
(feet)
Calculate