Sizing Pumps and Pump Motors

End users or service centers often need to specify replacement pumps or pump motors, sometimes involving a retrofit or re-application project. A successful outcome...

Constant Water Pressure Where and When You Need It

According to the United States Environmental Protection Agency, the average American family uses more than 300 gallons of water per day. Nearly 70 percent...

Getting the Most from Your Bearings: Part 2 of 2

For mechanical design of a fluid film bearing, the bearing designer must not only consider the proper sizing of the bearing to handle the...

Extending the Life of Eddy Current Variable Speed Drive Systems

Figure 1: Original Dynamatic® Assembling Drawings Eddy current drive technology can be a reliable proven alternative to traditional VFDs. An eddy current drive controls speed...

VFD Maintenance Tips

By Jason Wellnitz, Yaskawa America, Inc. Many production settings have changed in the midst of social distancing. Employees are spaced six feet apart, assembly lines...

Bringing the “Baker Test” Up to Date

One of the largest independent engineering service providers in South East England, Mid Kent Electrical Engineering Group, has performed electric motor rewinds and overhauls...

Spreading The Word On Oil Mist Lubrication: Part 1

Since its introduction as a plant-wide lubrication method in the United States, oil mist lubrication has been extended to over 100,000 process pumps and...

Getting the Most from Your Bearings: Part 1 of 2

Whether selecting new or maintaining existing process equipment, bearings are a critical component in the equipment’s reliability, efficiency, and life. The majority of rotating...

Addressing the Water-Energy Efficiency Nexus through Variable Frequency Drives

Today, critical processes in water, wastewater and irrigation activities jointly use more than 55 billion kilowatt-hours per year, according to estimates from the U.S....

Benefits of Permanently Installed Automatic Insulation Resistance (IR) Testing: Part 1...

Since over 80 percent of electrical maintenance testing involves evaluating insulation integrity, Insulation Resistance Testing (IR) is a very important test. This is because...