Low pressures are often measured in inches of water column or “WC. Like most units of measure, it has a very simple origin; in a water manometer, 1″ of water column is literally the amount of force it takes to raise the column of water by 1”. While some water manometers (water tubes) are still […]

Courtesy of Emerson So much of what manufacturers do with modern compressors seeks to make them more efficient with better ability to load match, hopefully without reducing ruggedness. The Copeland Scroll Digital™ or Digital Scroll is one design that has become very popular due to its simplicity and versatility. But before we go further, let's […]

When you think of a salesman, what comes to mind? Do you imagine a quiet person who helps you solve your problems by listening and evaluating you as a customer? Probably not.  When most people hear the word ‘salesman,' they imagine a flashy personality who will talk to you for hours to try to get […]