Vertical Turbine Pump Reliability
 In previous Pumping Prescriptions columns, we have looked at vertical pumps from various perspectives, including alignment, proper centering of the rotor shafting ("The Downside of Perfection in...
Peristaltic Pumps in a Residual Trim System
South Coast Water District (SCWD) provides water to more than 40,000 residents and two million visitors a year in the coastal communities of southern Orange County, California. The water system...
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...
Building Packages for Harsh Environments
The Gulf of Mexico (GOM) is one of the prime areas for the production of crude oil worldwide. The number of platforms is continuously increasing, and major oil and gas discoveries continue with...
Calculating Energy Savings and Payback
Energy efficiency and reduced consumption are important issues in the pump and motor marketplace. Over the long term, electricity costs will continue to increase regardless of our actions. This will...
We have just faced the toughest recession of our modern times. In my 40-plus years of executive search for the rotating equipment and valve industry, I have seen no less than six recessions, and this...
Hydraulic Institute Pump FAQs March 2010
Q. Our pumps take their suction from an open tank. When the liquid level drops, surface vortices are formed that allow air to be drawn into the pumps. What changes can be made to the tank to correct...
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...
Suction-Side System Design; If You Do Not Have Enough NPSHA; Resistance of Materials to Cavitation Damage
Final Article in a 14-Part SeriesSuction-Side System DesignCentrifugal PumpsFigure 1 shows most of the features discussed below.  Straight Run Into Suction For satisfactory operation, a...
What Are the Basics of Applying Expansion Joints?
Elastomeric expansion joints serve many functions in modern piping systems including absorbing all directional movements, reducing noise and vibration, resisting shock, relieving pipe and anchor...
Without question, liquid storage terminals play an integral part in the ongoing success and relevance of a wide array of industries worldwide. They serve a vital role in the global economy as transfer...
By most definitions, metering pumps handle small or low flow volumes that are precisely dispensed at pre-set intervals. Most metering pumps, however, need to vary flows either manually or through some...
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...
Given their presence in a number of process industries, metering pumps offer considerable growth opportunities for pump suppliers. As industrial output declined to historically low levels after the...