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Q. What are some ways to monitor the power used by a rotary pump?

A. Instrumentation and systems can be used, such as:

Previous articles in this series explained how oversized piping systems can have higher operating and maintenance costs. Higher maintenance costs can adversely affect the reliability and uptime of piping systems. All these factors have a detrimental effect on plant profitability.

With the high price of petroleum, U.S. producers must maximize every dollar from a barrel of crude oil. Every 42-gallon barrel produces 45 gallons of petroleum products. Most of the petroleum is refined into gasoline (47 percent) followed by heating oil/diesel fuel (20 percent) and jet fuel (8 percent).

Q. We recently purchased several magnetically driven rotary pumps for our process and want to know if we need to be aware of any special operational considerations.

A. The operation of magnetically driven rotary pumps is similar to the operation of standard rotary pumps. However, special considerations are required:

Q. We recently purchased several magnetically driven rotary pumps for our process and want to know if we need to be aware of any special operational considerations.

A. The operation of magnetically driven rotary pumps is similar to the operation of standard rotary pumps. However, special considerations are required:

Bearings in centrifugal pumps support hydraulic loads imposed on the impeller, the mass of the impeller and shaft, and loads caused by couplings and drive systems. They also keep axial and radial shaft deflections within acceptable limits for the impeller and shaft seal.

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

The Jordan, Knauff & Company (JKC) Valve Stock Index was up 14.7 percent during the last 12 months, while the broader S&P 500 Index was up 22.5 percent. The JKC Pump Stock Index was up 36.1 percent for the same time period.1

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

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

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

During my time in New Orleans for the Siemens Automation Summit, I had the opportunity to tour Louisiana Sugar Refining, LLC (LSR) in nearby Gramercy, La. In Louisiana, sugar is a big business.

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