Power Station Cooling Water Pump Upgrade
Computer-aided engineering enables the improvement of pump hydraulic performance in power plants.Cooling water pumps for power plant condenser cooling systems are large flow-rate, low- to medium-head...
Reliable Pumps for Abrasive Material
Solid-body plastic AODD pumps deliver the operational ability required for challenging abrasive-handling applications.The originator of the epigram, “Laws are like sausages; it’s better not to see...
Hydraulic Institute Pump FAQs May 2012
Q. What are the typical causes of mechanical seal failure in rotodynamic pumps, and what are the possible leakage paths? A.  A mechanical seal is expected to achieve its maximum mean...
Hydraulic Institute Pump FAQs June 2012
Produced by the Hydraulic Institute Q.  How can analyzing life-cycle costs help pump owners make decisions about their pumping systems?A.  Analyzing life-cycle costs is a management...
Centrifugal Pump Efficiency—When Is Efficiency Important?
Editor's Note: This is the sixth in a six-part series on centrifugal pump efficiency. For other articles in this series, click here.The power required by a pump is directly proportional to both the...
Pumps & Systems, September 2008Ensuring your sodium hypochlorite chemical feed system is properly set up and maintained is crucial to effective operation. Failure to address certain issues will...
Pumps & Systems, June 2008The rotary lobe pump belongs to the positive displacement pump family. It is a dual shaft pump design with external timing gears, allowing two intermeshing rotors to...
Pumps and Systems, March 2009When you think about it, getting people and businesses to acknowledge the benefits of increasing energy efficiency is an easy sell. Are there any people or companies...
In Pump Challenge #3 (Pumping Prescriptions, September 2009), the specified parameters for energy estimation were 4,000 gpm and 400 ft. Using the Energy Estimator tool, you should receive the...
For the non-expert in pump technology, selecting the most appropriate pump technology for a specific application or process system can be challenging because many of today's pumps are so...
Technical professionals understand a variety of fluid-transfer performance concepts. The principles have much to do with evaluating if an individual pump will succeed in accomplishing its...
High energy prices pose an unprecedented profit-robbing threat to every manufacturing operation, large or small. Left unmanaged and unchecked, rising energy expenditures can erode a company's...
Meeting Increased Demand for Efficient Pump Designs
While turbo pumps cover the full range of specific speeds, the overwhelming majority run at low specific speeds and are comprised of an inlet pipe or duct, an impeller and an exit volute. Recent...
Packaged Pumping Applications and Best Practices
Packaged pumping systems are gaining in popularity due to benefits including ease of installation, single source responsibility and streamlined manufacturing. Packaged systems simplify the...
Variable Speed Pump Analysis
When selecting a pump for variable speed operation, a number of conditions must be evaluated. For example, will the performance curve allow the range of operation required by the application? Will the...
A refinery's vertical pump passes the test, verifying its performance before installation.The rotating equipment engineers at BP's Whiting Refinery in Indiana approached the support team at a pump...
Green Motors Save GreenbacksPrepare for the new motor manufacturing changes with the Energy Independence and Security Act of 2007.The U.S. has not enacted a wide-reaching, industrial energy efficiency...
Holistic Pump System Designs
Holistic pump system designs optimize system efficiency and life cycle performance.A pump system that is well-designed not only maximizes overall system efficiency, it can also be adapted to changing...
Assessing Pump System Performance
Determining which pumps and their associated systems to assess is the first step in the process.First of Two PartsWhat Is a Pump Assessment?A pump assessment is a mini performance test of the pump...
High Tech Tools for Greener Pumps and Pump Systems
A green product means different things to different people. For some, a green product is alternatively powered, such as some of the recently introduced solar-powered well pumps. For others, green...
The Power of Wear Rings Part Two: Efficiency
With a 50 percent decrease in clearance, efficiency is increased by 2 to 4 percent.Part One of this series discussed how wear rings impact pump reliability by increasing rotor stability—reducing...
Trends in Variable Speed Technology
Choose the right variable speed motor for specific equipment.Why and how do leading OEMs choose a variable speed motor for their equipment? While rated efficiency has been an important driver in the...
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...
Efficiency Through Indirect Measures
Indirect factors can directly impact the true efficiency of the product-transfer process, if not considered and monitored.For months, the focus of the Pumps & Systems "Efficiency Matters" column...
Specialty Materials Help Improve Pump Reliability and Save Energy
Efficiency degradation in pumps can be related to three areas. Worn clearances between the wear rings of the impeller and the casing can increase leakage and drop the volumetric efficiency of the...
Variable Frequency Parallel Pump Analyzer
There are several ways to control two identical, parallel pumps operating under variable frequency control in pumping applications. One method is to size a single drive to handle both pumps and vary...
The Benefits of Close-Coupled, Sealless Magnetic Drive Pumps
ChemTreat, Inc., boosts manufacturing efficiency and improves customer service.At some point in the development of most businesses, through hard work and a commitment to customer satisfaction, growth...
Stable and Unstable Pump Curves
A “stable” curve is important for pump operation, especially for pumps in parallel operation. The higher the energy level and the more critical an installation, the more the pump curve could...
The DEF Market
The diesel exhaust fluid market creates opportunities for pump manufacturers.Growth and innovation in industrial pump design and operation are often driven by outside forces. A common force is the...
AODD Pumps Benefit from Air Distribution System
Maximize energy efficiency by identifying the pumps’ optimal flow rate and air consumption.Operating a manufacturing plant in which fluids of varying viscosities need to be transferred from one...