September 2019
Selecting Bearing Systems in Vertical Motors
Choice should be based on load, thrust, lubrication and other specific application needs.
Air Valves for Wastewater 
Understand the basics of air-release, air/vaccum and combination valves.
The Advantages of Harmonics Control 
Distorted waveforms can cause wasteful heat, more frequent equipment failure and added costs from increased power usage.
Ultrasonic vs. Electromagnetic Flow Meters 
Learn the features of these two common devices.





Important Standards for Piping Industry Professionals
Having these valve standards in the reference library can be handy in a pinch.
Thermoplastic Valves Aid a Variety of Applications 
Corrosion and chemical resistance help drive these material choices.
Rehabilitation Offers Solution for Critical Lift Station 
Refurbishing existing wet well instead of replacement in rural Texas provides new life for aging infrastructure.
Reducing Wastewater User Fees & Surcharges
Industrial wastewater users can meet municipality demands with planning and action.





Increasing Throughput With Gravimetric Selection Technology 
One municipality met permit regulations by using an external mechanism for selective sludge wasting and biological process configuration.
Using VFDs to Maximize Digester Performance
Variable mixing can provide a homogeneous process volume, consistent temperature and improved biological contact.
What to Know About the Era of Edge Computing
Prepare for the digital transformation with connected devices.
How Flow Meters Help Systems Achieve Optimal Performance 
Measurements help users recognize and remedy adverse operating conditions, including cavitation and safety issues.
The Basics of Reciprocating vs. Centrifugal Pumps
Understanding the differences between these types of pumps can mean avoiding difficulties and reliability problems.
The Basics of Blowers
Complicated selection process can make these common equipment items mysterious to specifiers.
Slurry Seal Upgrade Improves Kuwaiti Wastewater Plant
Original equipment experienced reliability issues, resulting in downtime and maintenance costs.
Understanding Seawater Supply Pump Failure
How to extend the life of second-stage impellers and eliminate inlet vane cracking.
The Importance of Liberal Lubrication 
Extra energy transmitted can produce larger sealing stress on the gasket.
Progressive Cavity Pumps in Chemical Metering 
How a Florida wastewater reclamation plant improved dosing of sodium hypochlorite.
NPSH: One Way or Another, It Will Change
Jim Elsey shares tips to avoid problems with net positive suction head
Ultrasonic Flow Meters Optimize Pump Performance in Water & Wastewater Facilities 
Why flow measurement is critical to achieving pump system efficiency.
Recommended Valves in a Pumping System
A system typically requires three valves
What is PPE? Answers About Safety Gear and Protection
Make sure your workers understand personal protection equipment for more than just their feet
How Vacuum-Primed Packaged Pump Solutions Can Enhance Efficiency
Competitive bidding induces quoting the smallest horsepower pump at the highest speed.
Wall Street Pump & Valve Industry Watch, September 2019
Pump Market Analysis
Select the Right Couplings for Wastewater Treatment
Evaluate elastomeric and metallic couplings for an application.
The Role of Application in Seal Reliability 
Defining how a mechanical seal will be used and its environment is critical for optimal operation and life.
How Piping Systems Affect a Plant's Financial Success
These systems help to maximize system uptime
Bioaugmentation Best Practices for Reducing Waste Discharge
Biological method can be used to reduce waste contaminants, clogging and odor problems.
Is OEE Relevant Today?
Learn how these 5 best practices with overall equipment effectiveness can help optimize equipment availability, performance and quality.
Best Lubrication Methods for Bearing Housing 
Learn how to determine if oil mist is best for specific applications and when problems are caused by human error.