The New Wastewater
Modern trash causes big issues for wastewater collection systems.Daily challenges abound for collection system operators and administrators as they work to support the proper operation of their pipes,...
Success Story of the Year 2011: Rockwell Automation & Insyght Systems
Rockwell Automation, Insyght Systems & the city of Hamilton grab the winThe 2011 Success Story of the Year competition has been a huge...success. Thanks so much to all the organizations that...
The Benefits of Pump Restoration and Coating, Part 2
The Restoration Process—Before and AfterIn the November 2010 issue of Pumps & Systems, this column began a two part series to analyze a study conducted on the Monroe County Water Authority...
Energy Savings through Pump Refurbishment and Coatings
Pumps & Systems, November 2008Responsible for supplying an average of 60 million gallons of drinking water each day, the Monroe County Water Authority (MCWA) in Rochester, N.Y., depends on more...
HI Pump FAQS
Q. How carefully must pump impellers be balanced to avoid unacceptable vibration levels when the pump is running?A. Pump impellers are typically balanced in accordance with ISO 1940 balance quality...
Pumps & Systems, July 2008Pump and System InteractionEditor's Note: This is the second part of a series based on Optimizing Pumping Systems: A Guide to Improved Energy Efficiency, Reliability, and...
Hydraulic Institute Pump FAQs June 2011
Q. When purchasing rotodynamic (centrifugal or vertical) pumps, how can we estimate if the efficiency of the proposed design is the best to be expected for our application?A. The Hydraulic Institute...
Several years ago, a golf course community wanted to adorn its entrance with a waterfall. Rocks were arranged to form a wall about 12 ft high, and the water would flow over the wall and into a...
Variable Speed Pump Operation Cuts Energy Costs; System Static Head Reduces Savings
Determining pump speed using the affinity rules can be a challenge.The days of inexpensive electricity are gone. With environmental pressures on the oil, coal and nuclear industries, electricity...
As energy costs rise and energy efficiency becomes more important in operating pumping systems, equipment suppliers, system designers and operators will maximize the efficiency of system components to...
The Challenge"Inaction is the riskiest response to the uncertainties of an economic crisis. But rash or scattershot action can be nearly as damaging."So begins "Seize Advantage in a Downturn,"...
Sensors and automation passively participate in our everyday lives to improve comfort, add safety and reliability, and increase the efficiency of needed products and services. As the use of sensors...
Dry Gas Seal Requirements
Editor's Note: This is the first in a six-part series on seals. For other articles in this series, click here.Find a reliable dry gas seal system for any application.As manufacturers continue to...
Editor's Note: This is the first in a six-part series on centrifugal pump efficiency. For other articles in this series, click here.In this multi-part series, we will investigate several aspects of...
Pump Performance Monitoring
A Comparison Between Conventional and Thermodynamic MethodsEnergy conservation is the need of the hour. Pumps are found in abundance in almost every industry and utility. Of them, the most common are...
Wireless System Keeps Water Flowing
Lindmore Irrigation District uses Ethernet radios to improve SCADA communications system and pumping efficiency.In many areas of the world, agriculture depends on irrigation. This is particularly true...
Structural Composite Parts
 Composites significantly reduce energy consumption, maintenance costs and repair costs.Today, tremendous effort is made to reduce energy consumption. The Department of Energy (DOE) and the...
Progressive Cavity Cake Pumps in Wastewater Treatment
Replacing conveyors with pumps improves efficiency and sanitation in an Ohio wastewater treatment plant.A Delaware, Ohio, wastewater treatment plant needed a solution to replace its conveyer system....
Pump Curve Accuracy
Digitization methods are critical when using pump selection software.First of Two PartsMore than 150 pump manufacturers present their pump performance data electronically. These digital pump catalogs...
Pumps & Systems, May 2007If you are new to the pump arena, you may be a bit taken back by the number of pump models offered by various pump manufacturers. When you take a look at their performance...
Pumps & Systems, August 2007Conclusion of our look at a new tool that predicts how pumps and systems interact.Last month, I opened this discussion by explaining how the affinity laws are used to...
In the foothills of the Andes, among the sprawling vineyards of picturesque Mendoza, Argentina, stands an innocuous equipment cabinet located by the side of an infrequently used mountain pass. The...
Centrifugal pumps need to be kept in tip-top condition to handle harsh liquid-terminal operations.Without question, liquid storage terminals play an integral role in the ongoing success and relevance...
A crucial triumvirate for improving the bottom lineA little more than 10 years ago, the U.S. Department of Energy's Office of Industrial Technology issued a report titled U.S. Industrial Motor Systems...
Pumps and Systems, April 2009Editor's Note: This is the third in a series of five articles based on the Hydraulic Institute's new Positive Displacement (PD) Pumps: Fundamentals, Design and...
Pumps & Systems, February 2009 Editor's Note: This is the first in a series of five articles based on the Hydraulic Institute's new Positive Displacement (PD) Pumps: Fundamentals, Design and...
Pumps & Systems, April 2008In the oil and gas industry, electric submersible pump (ESP) systems are probably best known as an effective artificial lift method of pumping production fluids to the...
Pumps & Systems, April 2007 Rotary screw pumps have existed for many years and are manufactured around the world. More demanding service requirements impose challenges on screw pump...
An Arizona mining company and an engineering pump system expert share a mutual understanding of what is needed to improve the electrowinning process that drives the copper mine's operations.Our...
Pumps & Systems, March 2008Few would dispute that variable frequency drives (VFDs) save energy, but the exact amount depends on the system. Hydraulically speaking, the main difference between a...