Friction Loss Calculator

Instructions

Enter the hose diameter, hose length & GPM into the friction loss calculator & press "Calculate".

Friction Loss Calculator

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Friction Loss Explained
Friction loss occurs when water passes through a hose. Hose length, diameter, and GPM (volume) all affect friction loss. As water passes through a hose, friction between the water and the inside surface of the hose causes turbulence, which slows the water. The results in a PSI drop at the other end of the hose. The higher the gpm passing through a hose, the more turbulance and friction loss will result.

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