PumpCalcs reference library
Core concepts and equations that define pump hydraulic behavior.
Understanding specific gravity and viscosity is essential for accurate pump selection, system design, and troubleshooting. This article compiles typical values for common industrial fluids,…
Atmospheric pressure drops with altitude, directly reducing the maximum suction lift a pump can achieve. This article explains the physics, provides the governing formula,…
Understanding how to translate flow, head, pressure, and power between US customary and SI units is essential for accurate pump selection, performance analysis, and…
Pump head quantifies the energy a pump adds to a fluid, expressed as a height of liquid. This article breaks down static, dynamic, and…
A comprehensive guide to the essential reference data used in pump engineering. Learn the core units, conversion methods, fluid characteristics, pipe specifications, and governing…
A thorough guide to pump hydraulics, covering the essential parameters of head, flow, pressure, power, and Net Positive Suction Head (NPSH). Learn how these…
Understanding pump efficiency is essential for reliable system design and energy savings. This article breaks down hydraulic, volumetric, mechanical, and overall efficiencies, showing how…
Choosing the proper friction‑loss calculation method is crucial for accurate pump sizing and energy efficiency. This article compares the physics‑based Darcy‑Weisbach equation with the…
Cavitation occurs when local pressure in a pump falls below the liquid’s vapor pressure, causing vapor bubbles that implode and damage components. This article…
Viscosity reduces a centrifugal pump's flow, head, and efficiency. This article explains the governing equations, shows how to apply viscosity correction factors, and tells…
