Latest Features

Reinforcing additives combined with a carefully selected base resin can create a high-performance compound for any application.

Q. Can rotary type pumps be used to pump slurries? If so, should users be aware of any special precautions?

Customized seals made from superior materials can help prevent premature failure in heavy-duty applications.
Advanced test analysis tools, remanufacturing and training help end users solve problems.
End users should be aware of the latest standards revisions to employ the most up-to-date valve sealing practices.
An advanced software solution saved one user $350,000 in lost power production revenue.
Metallics and plastics offer advantages for different applications.
Block and bleed isolation capabilities improve safety and profits.

The Jordan, Knauff & Company (JKC) Valve Stock Index was down 15.2 percent over the last 12 months, while the broader S&P 500 Index was up 14.5 percent.

Blogs

In today’s high-volume pumping applications, energy efficiency and cost control are more important than ever.

Amelia Messamore

Pump efficiency is a fundamental concern for every end user. A thorough understanding of the definition of efficiency and what factors affect it can help operators and engineers optimize equipment design and operation.

Columns

This column is about the most common mistakes pump end users make daily. It is also about how to avoid these mistakes and how to fix them.

I learned these lessons the hard way.

Part 1 of this series (Pumps & Systems, March 2015) discussed what happens to a boiler feedwater (BFW) pump during plant transients.

Last month's column (Pumps & Systems, February 2014) reviewed the pump selection process and described how many users oversize pumps by adding design margins to account for unknown conditions present during the pump specification process.

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

For those of you old enough to remember Lawrence Welk, you’ll notice that the title of this brief column is the final quote from his show’s closing song. I am still a loyal fan of his reruns today.

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