Troubleshooting Bearings: A Structured Approach
Pumps and Systems, February 2007When evaluating bearing distress, the babbitted shoe surface is commonly the only area that is examined. Although a great deal of information can be extracted from the...
Pumps and Systems, February 2007Natural gas is a clean-burning energy source well suited as a boiler fuel, vehicle fuel, and heating residences as well as large structures. Coalbed methane (CBM) is a...
1)  Only select pumps with suction specific speeds less than 11,000-less than 9,000 is even better.2)  Select your pump so it never operates below 70 percent to 80 percent of its best...
Pumps and Systems, February 2007 On July 16 last year, a high-speed centrifugal pump failed catastrophically at a large refinery in South America, causing production losses and costing a substantial...
In China, police raid a remote warehouse basement and seize more than 300 million pirated DVDs. In India, sellers in outdoor bazaars daily offer knockoffs of Gucci handbags and Rolex watches starting...
Pumps and Systems, February 2007A large refinery or power plant may operate up to a dozen units of the same design, all installed 20 or 30 years earlier. In this mature equipment environment, some...
Pumps and Systems, February 2007Bearings perform vital roles in enabling optimized operation and service life of pumps used throughout industry. In centrifugal pump applications, for example, crucial...
Hydraulic Institute Pump FAQs February 2007
Pumps and Systems, February 2007Q. We are operating a large axial split case pump which occasionally operates at about ten percent of its best efficiency rate of flow. At that rate of flow, the pump...
Your pump company is embarking on new marketing campaigns to boost sales in India, China, Russia or other newly booming marketplaces.In addition, your manufacturing and purchasing teams are looking...
The number of compressor and pump package orders in the energy sector has increased greatly over previous years' level due to increased activity in the oil & gas production, transmission and...
Pumps and Systems, February 2007All electric motors (motors) have a housing that contains the working components of the motor. In the U.S., the enclosure describes this housing. The enclosure should...
All electric motors (motors) have a housing that contains the working components of the motor. In the U.S., the enclosure describes this housing. The enclosure should meet specific environmental...
Pumps and Systems, February 2007 Have you ever wondered why the pressure exerted by a column of liquid has absolutely nothing to do with its volume or, for that matter, the geometric shape of its...
Proper shaft alignment makes a difference
PumpCalcs: Be the Pump Designer
I have seen, and I am sure you have too, countless examples of installed pumps that are poor hydraulic fits. These selection mistakes are called off-design pump selections, bad actors, misapplied...
Pumps and Systems, February 2007 General Sizing Procedures Rolling element bearings are mechanically complex compared to plain bearings, but are indispensable in a large variety of functions. ...
Because of the unique problems experienced with highly viscous fluids that can crystallize to form abrasive particles, as well as those with adhesive tendencies, an alternative to face seals is often...
Pumps and Systems, February 2007 During the mid-1970s, Dr. Adriano Mischiatti, Ph.D., C.E., conceptualized a magnetically coupled turbine pump in his college thesis. The concept has proven...