Understanding the K-Factor Table for Valves and Fittings
The K‑Factor table quantifies pressure loss through valves and fittings, enabling accurate pipe‑system design and pump selection. This article explains the governing equations, derivations,…
PumpCalcs reference library
Category: Pump Hydraulics Fundamentals
Core concepts and equations that define pump hydraulic behavior.
22 resources
Methods · worked examples · references
Water Properties Table: Density, Vapor Pressure, and Viscosity by Temperature – A Technical Reference
A detailed reference on how water density, vapor pressure, and viscosity vary with temperature. Includes derivations, US‑SI examples, typical tables, and practical guidance for…
Specific Gravity and Viscosity of Common Industrial Fluids – A Technical Reference
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 by Altitude and How It Limits Suction Lift
Atmospheric pressure drops with altitude, directly reducing the maximum suction lift a pump can achieve. This article explains the physics, provides the governing formula,…
Pump Unit Conversions: Flow, Head, Pressure, and Power – A Comprehensive Reference
Understanding how to translate flow, head, pressure, and power between US customary and SI units is essential for accurate pump selection, performance analysis, and…
What Is Pump Head? Static, Dynamic, and Total Head Explained
Pump head quantifies the energy a pump adds to a fluid, expressed as a height of liquid. This article breaks down static, dynamic, and…
Pump Engineering Reference: Units, Conversions, Fluid Properties, Pipe Data, and Standards
A comprehensive guide to the essential reference data used in pump engineering. Learn the core units, conversion methods, fluid characteristics, pipe specifications, and governing…
Pump Hydraulics Explained: Head, Flow, Pressure, Power, and NPSH
A thorough guide to pump hydraulics, covering the essential parameters of head, flow, pressure, power, and Net Positive Suction Head (NPSH). Learn how these…
Pump Efficiency Explained: Hydraulic, Volumetric, Mechanical, and Overall
Understanding pump efficiency is essential for reliable system design and energy savings. This article breaks down hydraulic, volumetric, mechanical, and overall efficiencies, showing how…
Darcy-Weisbach vs Hazen-Williams: Which Friction Loss Method Should You Use?
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…