Pipe Friction Loss Calculator

Friction loss refers to the loss of pressure produces in a pipe or duct flow due to the fluid's viscosity produced at the surface layer of the pipe, which is independent of the type of pipe material. Friction loss in pipe is typically measured in the feet or meters head of the fluid. It is also referred as head loss due to pipe friction. It occurs when a fluid is pumped inside the hose or pipe. Use pipe friction loss calculator to calculate friction loss in pipe fittings.

Calculate Friction Loss in Pipe Fittings

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Pipe Friction Loss = 0.002083 × (100/150)1.85 × r1.85/d4.8655 × l Where, r = Flow Rate d = Diameter l = Pipe Length


Find the friction loss of a 100 m HDPE pipe having 50 inch as diameter and 500 gal/min flow rate?


Pipe Friction Loss = 0.002083 × (100/150)1.85 × 5001.85/504.8655 × 100
= 0.0001 m

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