K Value and Pipe Length Calculator
Enter value and click on calculate. Result will be displayed.

K Value and Pipe Length Formula

fT = Turbulent Friction Factor
L = Length
D = Pipe Diameter
K = K Value

Enter your values:
Turbulent Friction Factor:
Length: m
Pipe Diameter: mm
Result:
K value:
 

Valve manufacturers have performed experiments on various valves and fittings in order to arrive at empirical pressure drop expressions for specific types of piping system components.

This calculator shows the relationship between the K value and pipe length.

The K value for various fittings has been arrived at through experimentation. For any valve, a length over diameter (L/D) coefficient can be determined by equating the pressure drop through the valve to the equivalent length of pipe measured in pipe diameters.







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