Offline and online testing can improve reliability and reduce downtime.
Correct equipment selection and application saved an aluminum producer $36,000.
Regular monitoring and maintenance are vital for continuous and proper pump performance.
Large centrifugal or special pumps
Optimize Pump System Maintenance Budgets
Learn which equipment to target, what information to collect and how to use it effectively.
Pump Commissioning: Alignment, Field Balancing and Startup
Technical expertise and precision can ensure proper operation and minimal maintenance. (Last of Two Parts)
Pump Rebuild Tips
Avoid common mistakes to get the longest life from a rebuilt pump.
There is a saying that “You don’t know what you’ve got until it’s gone.” This concept can be all too familiar for anyone who has ever neglected a pump. A dependable pump is not truly...
Easy Shaft Alignment
Thorough preparation and the right alignment method are critical.
10 Steps for Proper Pump-Pipe Alignment
The initial version of this procedure was published several years ago by me. Since then, a large amount of feedback has been accumulated. The most recent reflection appeared in the March 2012 issue of...
Bearing Failures
New bearing system keeps circulating water pumps running in a 
nuclear power plant.After 8 years of problem-free operation, a bearing failure forced an outage at a nuclear power plant. When two more...
The standards for repair will begin with a standard for vertical turbine pumps.The pump industry is undergoing renewed interest in the technical aspects and quality of repairs. Pump users’...
Vertical Pump Repair and Upgrade Considerations
Typical vertical pump types include turbine, mixed and axial flow. The Hydraulic Institute classifies these pumps as type VS (Vertically Suspended). Unlike horizontal pumps, these pumps typically have...
Pump Replacement Part Availability
Address this problem to avoid the possibility of future crises.The crumbling infrastructure of our roads and bridges is the hot topic in today’s political discourse. However, an even bigger problem...
HI Pump FAQs February 2012
Q. We plan to purchase several slurry pumps and understand that this service is considered severe duty. What guidelines should be followed regarding pump selection based on good wear resistance?A....
Inspections and Repair Enhance Pump Performance
Improvement can result from repair opportunities.Often all that is needed to improve a pump’s dependability and performance is a high quality inspection and repair. Over time, a pump may...
Smooth Equipment Operation
Balancing couplings may not be the ultimate solution for vibration issues.Oil and gas industry customers are increasingly asking original equipment manufacturers (OEMs) to balance their couplings to...
Repair Standard for Vertical Pumps
Since the original publication of this draft standard in the January 2008 issue of Pumps & Systems, I have received feedback, encouragement, numerous questions and criticism. The draft listed...
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...
Pumps & Systems, November 2008Seven considerations for selecting the proper heat transfer fluid.1. Service TemperatureConsider the service temperature of the fluid, since the thermal stability...
Wastewater Treatment Facility Embraces Peristaltic Technology
Peristaltic hose and tube pumps add cost savings, versatility and maintenance ease for Nashua treatment facility.Nashua, N.H., is one of many U.S. cities and municipalities selecting peristaltic pumps...
Peristaltic Pumps in the Food and Beverage Industry
Simple maintenance and the ability to clean in place give peristaltic pumps an advantage. Many opportunities are available for peristaltic pump use in food and beverage applications. Peristaltic...
Peristaltic Pumps Waste Less Water in Wastewater Treatment
The ever-expanding Seneca wastewater treatment plant in Eagan, MN required a pump capable of accurately dosing 15 percent sodium hypochlorite ("hypo"). Hypo has outstanding disinfection...
Flash Steam Recovery Using Condensate Tank Vent Condensers
With today’s energy prices and the need to reduce emissions, a plant cannot allow its steam/condensate systems to vent flash steam to the atmosphere.Depending on the installation costs, plants will...
 Cost Reductions Through Life Cycle Improvements
More than 15 years ago, a 160 in plate mill was experiencing significant maintenance problems with its descaling pumps; the typical mean time between repairs was only 6 to 8 months. Some rebuilt pumps...
 Detecting Pump Cavitation with a Vibration Sensor
Pumps & Systems, June 2007Cavitation is a destructive condition that can destroy the inside of a pump before you even realize it is occurring. Early detection can minimize damage, reduce downtime,...
Asset Management Systems
Data and life cycle management technology helps refineries maintain equipment and reduce the total cost of ownership.Typically, 90 percent of the total life cycle cost (LCC) of a flow management...
Benefits of Smart Pumps in Building HVAC Systems
The ever-growing need for energy efficiency demands intelligent pumping systems.Electrical energy demand is projected to double by 2030, putting the world in the midst of a global energy dilemma. At...
Pumps and Systems, January 2007Example 1Vertically mounted pumps can resonate as a total structure in a "rocking" mode, as shown in Figures 1 and 2 below. This is one of the toughest unsolved...