Hazen-Williams C Values for Common Pipe Materials
The Hazen‑Williams C coefficient quantifies the internal roughness of pipe materials and directly influences friction‑loss calculations in water distribution systems. This article compiles typical…
PumpCalcs reference library
Category: Sizing, Piping & System Design
Methods to size pumps and design piping networks for optimal performance.
17 resources
Methods · worked examples · references
Pipe Roughness Values for Common Piping Materials – A Technical Reference
Understanding pipe roughness is essential for accurate head‑loss calculations in pump and piping design. This reference compiles standard roughness values, explains the governing equations,…
Steel Pipe Schedule Chart: Nominal Sizes, Wall Thickness, and Inside Diameters
A steel pipe schedule chart translates nominal pipe size into actual dimensions—outside diameter, wall thickness, and inside diameter. Understanding these relationships is essential for…
How to Size a Pump: A Step‑by‑Step Guide to Flow, Total Dynamic Head, and Duty Point
Learn the essential steps to correctly size a pump by calculating flow, total dynamic head, and determining the duty point. This guide covers core…
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…
Pumps in Series vs Parallel: How Curves, Flow, and Head Combine
Understanding how centrifugal pump performance changes when units are placed in series or parallel is essential for reliable system design. This article explains the…
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…
Water Hammer: How to Calculate Surge Pressure and Control It
Water hammer is a rapid pressure surge caused by sudden changes in fluid velocity. This article explains the Joukowsky equation, walks through US and…
How to Size a Booster Pump for Domestic Water Pressure
Choosing the right booster pump for a home involves calculating the total dynamic head and the peak flow demand, then matching those values to…
HVAC Hydronic Pump Sizing: From BTU/h to GPM (Including Glycol)
Learn how to convert heating or cooling loads expressed in BTU/h into the required water or glycol flow in gallons per minute for HVAC…