Latest Pumps Articles

Q. What are the effects of viscosity on rotary pump and system performance?

A. The viscosity of a pumped fluid typically affects pump ratings in the following ways:

In a typical plant, pumps often are controlled by semiconductors such as microprocessors, power electronics and variable frequency drives (VFDs) to digitally link assets and provide better process control. By using “smart”

The Jordan, Knauff & Company (JKC) Valve Stock Index was up 14.4 percent during the last 12 months, staying under the broader S&P 500 Index, which was up 22.1 percent. The JKC Pump Stock Index was up 24.1 percent during the same time.1

In 2011, the AMER Group started construction on the Porto Cairo Mall in Cairo, Egypt. The real estate developer, which offers mixed-use, family-oriented destinations throughout the Middle East and North Africa, planned the mall as a wide retail and commercial complex that was easily accessible to city residents.

The reliability of high-speed and high-pressure pumps is crucial to several industries in the Middle East and North Africa. Oil and refinery services and desalination operations, for example, depend heavily on pumps to perform consistently in demanding conditions.

As the months pass, the evidence is becoming increasingly clear—North America is in the midst of a golden age of oil and natural gas production. Record levels of recovery in U.S. unconventional plays and Canadian oil-sands formations are driving vast production increases. According to the International Energy Agency, the U.S.

Countries in the Middle East and North Africa (MENA) have always been prominent food importers rather than producers. The punishing climate and topography have challenged efforts to expand the region’s food-processing indus-

Centrifugal pumps often experience repeat failures. Maintenance and reliability professionals are charged with preventing them. This four-part series explains the reasons behind repeat pump failures and uses a real-world field example involving boiler feedwater (BFW) pumps.

The chemical-manufacturing industry has stringent requirements for process equipment. Production efficiency, product quality and operational safety for both on-site personnel and the environment are critical concerns for any manufacturer of specialty chemicals investing in new or better processes.

For more coverage of Ski Dubai, view our slideshow, "Fresh Snow at Ski Dubai."

A ski slope in the middle of a desert—it sounds a bit radical. However, modern technology has made skiing a possibility all over the world, no matter the geography, climate or time of year.



I hope that my last column (Pumps & Systems, September 2014) provided a clearer definition of power factor and how it can be calculated.

Who determines where pressure gauges are located in a pump system? How close to the pump should they be, and what happens if these rules are not followed?

A reciprocating power pump, as depicted in Figure 1, is a displacement machine. It has characteristics that are different than a centrifugal pump.


The global water crisis claims 5,500 lives each day—more than war, natural disasters, AIDS or hunger. It is a sobering problem but not an impossible one to solve.

ASTON, Pennsylvania (Sept. 18, 2014) – The Mid-Atlantic Pump & Process Equipment Symposium X was held Sept. 18, in Aston, Pennsylvania. Nearly 300 individuals representing 110 organizations that are customers of Geiger Pump and Equipment attended the single-day symposium.

See also:

Upstream Pumping Solutions

© Copyright Cahaba Media Group 2014. All Rights Reserved. Privacy Policy