Free Resources

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Industry Publications

Access a wealth of industry knowledge with Rob Welke’s extensive archive of published articles and research. Covering real-world case studies, technical innovations, and best practices in sustainable pumping, these articles provide invaluable insights for water and wastewater professionals.

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PIPEsuite Sampler App

Get hands-on experience with our Free Sampler App, designed to give you a preview of the powerful calculation tools used in WPI courses. This easy-to-use app helps you assess key pumping metrics, optimize system performance, and explore sustainable pumping solutions—at no cost.

Case Studies

The Water Pumping Institute's case studies page showcases successful sustainable pumping solutions. These examples provide practical insights for reducing costs and environmental impact, offering inspiration and guidance to improve your systems.

Graph showing pump efficiency with axes 'Pump head - Metres' and 'Litres Diesel per Megalitre'

Reference Guides

Quickly reference essential pump performance data with our comprehensive charts for electric and diesel pumps. These resources help you make informed decisions on pump selection, energy efficiency, and system optimization—an indispensable tool for engineers and operators alike.

Explore Our Pump Data Charts

Access essential reference materials for both Electric and Diesel pump systems. These data charts provide valuable performance insights, helping you make informed decisions for optimal efficiency and cost savings.

🔹 Electric Pump Data Charts – Explore key specifications and performance metrics for electric-driven pump systems.
🔹 Diesel Pump Data Charts – Access detailed data on diesel-powered pumps, including efficiency benchmarks and operational guidelines.

Click below to navigate to the charts and enhance your pumping system knowledge.

Download PIPEsuite Sampler App

Try a sample of PIPEsuite, one of our most popular apps, designed to simplify key calculations for water and piping systems. This free tool includes the Pipe Friction component as an example of what you can expect from the rest of this great suite of apps.

Included Calculators

Pipe Friction – Calculate pressure loss due to friction (Included in Sampler App)
Water Velocity – Determine flow speed within pipes.
Pipe Flowrate – Estimate the volume of water passing through a pipe.
Pipe Diameter – Find the ideal pipe size for a given flow rate.
Pipe Volume – Measure the internal capacity of a pipe.
Water Transit Time – Calculate how long water takes to travel through a pipeline.
Hazen-Williams (H&W) Calculator – Assess pipe flow characteristics.
Flow Converter – Easily convert between different flow units.
Suction Screen Sizing – Select the right screen size for intake protection.

Follow the step-by-step instructions below on how to install and use the app.

Installation Instructions

Open the link on your phone, then save the link to your phone Home Screen according to your phone type as below:

Apple:  go to bottom of page, click on square with arrow, follow prompts to “Add to Home Screen”

Android: go to top of page, click on 3 vertical dots, from drop down menu, select “Add to Home Screen”

Person holding smartphone, using touchscreen.
Pipeline hydraulics calculator interface by the Water Pumping Institute, displaying input fields for HBW 'C,' length, flow, and pipe ID. Results shown include friction, velocity, Fric Grad, and Friction values. Includes sample notes and copyright details for 2023.