Pump Head Calculation Excel Sheet -

Internal diameter (ID), pipe length, and material (for roughness). Flow Requirements: Desired flow rate (GPM or m³/h).

Reynolds Number (Re) = (Velocity * Pipe ID) / Kinematic Viscosity

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The pump head calculation formula is as follows:

| Fitting | Quantity | K-value | Total K | |---------|----------|---------|---------| | 90° elbow | 4 | 0.75 | 3.0 | | Gate valve | 2 | 0.2 | 0.4 | | Check valve | 1 | 2.5 | 2.5 | | Exit loss | 1 | 1.0 | 1.0 | | Entrance loss | 1 | 0.5 | 0.5 | Internal diameter (ID), pipe length, and material (for

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NPSHa = Atmospheric Pressure Head – Vapor Pressure Head + Static Suction Head – Suction Side Friction Losses Static Head ( cap H sub s t

Pipe loss (m): =H2 * (C2/(B2/1000)) * (F2^2/(2*9.81))

The total differential head (TDH) is the energy a pump must impart to a fluid to move it from point A to point B. Static Head ( cap H sub s t a t i c end-sub The vertical distance the fluid is lifted. Friction Head ( cap H sub f r i c t i o n end-sub Energy loss due to pipe walls, valves, and fittings. Pressure Head ( cap H sub p r e s s u r e end-sub Energy required if the destination vessel is pressurized. Velocity Head ( cap H sub v e l o c i t y end-sub