The most-viewed article on Pumps & Systems magazine’s website in 2015 focused on a four-letter term that resonated with readers. An article about Net Positive Suction Head, or NPSH, titled “10 Things You Need to Know about NPSH” generated the most page views during the year on pumpsandsystems.com. The website's Top 10 articles based on page views throughout the year show that readers wanted advice on a host of topics related to pumps, motors, bearings and other critical components of a system. Here’s the list of 2015’s most-viewed stories on pumpsandsystems.com.

1. 10 Things You Need to Know about NPSH

Because cavitation is unavoidable in pump operations, understanding how to reduce it using NPSH calculations is necessary to maintain pump functionality and health. Read more.

2. Calculating Head Loss in a Pipeline

Ray Hardee gives the formulas for calculating head loss and explores pipelines in detail. Read more.

3. The Basics of Lead-Lag Configurations

Bladder pressure tanks and irrigation systems are prime examples of how lead-lag systems, complete with motor controls, can meet high demand and reduce equipment wear. Read more.

4. 2 Simple Steps to Choosing the Right Motor

Consider more than the efficiency rating to select the most cost-effective system for the pumping application. Read more.

5. Why Bearings Fail

Modern labyrinth bearing protection seals can protect precision elements from contamination. Read more.

6. Understand How Valves & Fittings Affect Head Loss

Part one of two: This column discusses valves and fittings and evaluates how these devices affect the operation of piping systems. Read more.

7. 10 Common Self-Priming Pump Issues

Columnist Jim Elsey started a list of self-primer pump field issues many years ago and noted that almost all of them break down to 10 fundamental areas. Read more.

8. Understand How Valves & Fittings Affect Head Loss

Part two of two: This series discusses valves and fittings and evaluates how these devices affect the operation of piping systems. Read more.

9. Rethinking NPSH

Understanding this complex topic can help end users avoid common pitfalls. Read more.

10. Pump Technology Changes Communities

Managing Editor Amelia Messamore provides exclusive coverage of how the pump industry is making a difference in Zambia & Malawi. Read more. Do you have a topic you would like covered? Email pumpeditors@cahabamedia.com to submit your ideas for what we should include in 2016!