Hydraulic Institute (HI) Standards: What Pump Engineers Need to Know
Hydraulic Institute (HI) standards define the testing, rating, and performance criteria for pumps worldwide. This reference explains the key provisions, how they are derived,…
PumpCalcs reference library
Tag: pump selection
23 resources
Methods · worked examples · references
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…
Types of Pumps: The Complete Guide to Centrifugal and Positive Displacement Pumps
This comprehensive guide explains how centrifugal and positive displacement pumps work, how to select the right type, their practical uses, benefits, challenges, and emerging…
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…
Well Pump Sizing: Submersible vs Jet Pumps for Home Water Systems
Choosing the right well pump for a residential water system hinges on accurate sizing. This article compares submersible and jet pumps, explains the governing…
Centrifugal vs Positive Displacement Pumps: How to Choose
Choosing between centrifugal and positive‑displacement pumps hinges on flow‑rate stability, pressure demands, fluid characteristics, and system dynamics. This article unpacks the governing equations, performance…
Progressive Cavity and Screw Pumps for Viscous and Solids‑Laden Fluids – Design, Operation, and Selection
Progressive cavity and screw pumps excel at moving high‑viscosity and solids‑laden fluids where centrifugal machines fail. This article explains their operating principle, key performance…
How to Read a Pump Nameplate and Datasheet
Decoding a pump’s nameplate and datasheet is essential for proper selection, system integration, and safe operation. This guide explains each field, the governing equations,…
How Viscosity Affects Centrifugal Pump Performance (and When to Derate)
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…
How to Calculate Friction Loss in Pipe (With Worked Examples)
Friction loss quantifies the pressure drop caused by fluid friction in a pipe and is essential for accurate pump selection and system design. This…