Columns and Blogs

This article is part of our ongoing series on The History of Pumps.

Centrifugal pumps have many advantages compared with positive displacement pumps. They have the ability to run all over the curve. Open the valve to increase the flow, and close it to decrease the flow. This seems convenient and simple.

The legendary innovator was responsible for the design of more than 40 patented products during his seven-decade career.

Today’s federal requirements dictate the minimum efficiency of an electric motor, but they do not have any impact on the efficiency of a centrifugal pump.

As any austenitic stainless steel would be, 316 stainless steel is very soft. So how does this stainless steel offer strong protection against cavitation? If it is soft, will the imploding bubbles erode the material?

Pumps account for 10 percent of the world’s total electricity consumption.

This article is part of our ongoing series on the history of pumps.

Recently, I received a call from a plant operator in Ohio. He said, “We have a big contract from a customer to supply multiple oil heating systems and have just completed the first unit. It is ready to ship.

One big industry focus in 2014 will be training and education. Expect Pumps & Systems to be heavily involved.

KAMP-LINTFORT, Germany (June 7, 2013) – Almatec was founded in 1984 by Dirk Budde, an industrial engineer who was working for another pump company when he decided to branch out and create his own pneumatic-pump product line.

This article was written in response to the following question from a reader:

In my opinion, the system curve is the single most important component of the pump selection process. After all, the system curve determines the operating point on a pump’s performance curve.

Here is a look at some of the innovative products and services on display at WEFTEC 2013.

The editors of Pumps & Systems recently attended the 42nd Turbomachinery and 29th International Pump Users Symposia (Pump & Turbo 2013) at the George R. Brown Convention Center in Houston.

Pump designers know that designing a complex pump is easier than designing a simple one. Having my own roots in design, I know how tempting it is to add another feature and a tweak to a pump design.

In the February 2010 issue of Pumps & Systems, I discussed my Suction Specific Speed (S) Calculator and its ability to predict the stable range of flow for a particular centrifugal pump.

For the first time anywhere, read about the pumps, motors, seals and other ancillary features specially designed and engineered for this deep tunnel project.
PARIS – The smelly sewage of Paris once festered within the cracks of the streets’ cobblestones, dumped out of windows from chamber pots. Today, Paris has a practically invisible sewer network that is an underground city.

HALLE, Germany (Aug. 22, 2013) – The problem is big.

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