Sump Pump Sizing: Measuring Inflow, Calculating Head, and Avoiding Short Cycling
Properly sized sump pumps keep basements dry and equipment protected. This article explains how to measure inflow, calculate total dynamic head, and select a…
PumpCalcs reference library
Author: Joaquimma Anna
78 resources
Methods · worked examples · references
Pump Installation Checklist: Foundation, Baseplate, and Grouting
A solid foundation, correctly aligned baseplate, and proper grouting are essential for reliable pump operation. This reference article walks through the engineering rationale, design…
Pump Vibration Basics: What to Measure and What Limits Apply
Pump vibration monitoring is essential for early fault detection and reliable operation. This article outlines the key parameters to measure, the governing equations, typical…
How to Size a Pool Pump: Turnover Rate, Flow, and Why Bigger Is Worse
Properly sizing a pool pump hinges on the turnover rate and required flow, not on simply picking the biggest motor. This article explains the…
Mechanical Seals vs Gland Packing: Selection, Installation, and Maintenance
A detailed guide comparing mechanical seals and gland packing for centrifugal and positive‑displacement pumps. Learn how to select the right sealing method, install it…
Premature Bearing Failure in Pumps: Why It Happens and How to Stop It
Bearing failures are a leading cause of unexpected pump downtime. This article explains the mechanical and operational reasons behind premature bearing wear, presents the…
End Suction, Split Case, and Vertical Turbine Pumps Compared: Design, Performance, and Selection
A detailed comparison of end‑suction, split‑case, and vertical turbine centrifugal pumps, covering their operating principles, performance equations, typical ranges, and selection guidance. The article…
How Variable Frequency Drives Save Energy on Pumps (and How Much)
Variable Frequency Drives (VFDs) exploit pump affinity laws to match motor speed with system demand, cutting electricity use dramatically. This article explains the physics,…
Wastewater and Sewage Pump Selection: Solids Handling and Wet Well Design
Choosing a pump for wastewater and sewage applications requires accounting for suspended solids and correctly sizing the wet well. This guide presents the governing…
Slurry Pump Selection: Derating, Wear, and Solids Handling – A Technical Guide
Choosing the right pump for abrasive slurries requires careful derating, wear‑rate prediction, and solids‑handling strategies. This article explains the governing equations, design variants, and…