Pumped for Information

April 22, 2003

A pump basically is a device that raises, transfers or compresses fluids. In the water and wastewater industry, different pumps are used in a variety of applications. For example, one type of pump is used for transferring water from a well to a tower, another is suited for pumping sludge containing byproducts and another can be used to feed chemicals into the water for treatment.

This technology supplement contains technical articles relating to key areas of pump operation and reliability. These topics include

A pump basically is a device that raises, transfers or compresses fluids. In the water and wastewater industry, different pumps are used in a variety of applications. For example, one type of pump is used for transferring water from a well to a tower, another is suited for pumping sludge containing byproducts and another can be used to feed chemicals into the water for treatment.

This technology supplement contains technical articles relating to key areas of pump operation and reliability. These topics include

*                Performance,

*                Suction,

*                Sealing Methods,

*                Bearings and Lubrication,

*                Materials of Construction, and

*                Field Application.

It is our hope to provide a better understanding of the technical reasons behind the pump's operation and to address the key components and the way they interact with each other and the system in which the pump is installed. This knowledge may help you pinpoint and anticipate problems and, therefore, improve the pump's reliability, the plant's uptime and the utility's bottom line.

WWD was fortunate to work with Dr. Lev Nelik, Ph.D., P.E., on this project. Currently the president of Pumping Machinery, Dr. Nelik has more than 20 years of engineering, manufacturing, management, sales and field experience in the pump industry. He has worked for Liquiflo, Roper Pump, Ingersoll-Rand and Goulds Pumps. He has published more than 50 documents on pumps and is the author of the book Centrifugal and Rotary Pumps: Fundamentals with Applications by CRC Press.

This supplement is only the starting point for our coverage on pumps. In addition, we will provide a Pumps: Topic Forum at our website, www.waterinfocenter.com. This ongoing forum will be updated as more information is gathered to form a comprehensive and technical source of information on pumps.

About The Author: Bill Swichtenberg is Editorial Director of Pump Source.

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