Piping Fitting and Valve Losses

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  1. This calculator can be used to determine the head loss (HL) in fitting knowing the flow rate (Q), pipe diameter (D), and loss factor (K). If you enter any three of these variables as inputs, the calculator will determine the fourth variable.

Input 3 of 4 variables to solve for the unknown.
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SymbolVariableInputUnits
HLHead Loss
KLoss Factor
QFlow Rate
DImpeller Diameter
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