The Jordan, Knauff & Company (JKC) Valve Stock Index was down 12.5 percent for 2011, well below the broader S&P 500 Index, down only 1.1 percent.
Featured Articles

State of the Industry 2012
Submersible pump industry survey provides a unique forecast.

Pump Curve Accuracy
Exploring the digitization methods of pump power and efficiency curves

The History of Pumps
The pump is one of civilization's earliest inventions. Considering its use in everyday life, it may be one of the most important.

Power Quality
The fundamentals of how power quality issues affect the plant, how to detect them and how to make them go away.
Latest Articles
Editors Note: In the January 2012 issue of Pumps & Systems, we were proud to bring you an in-depth look at some of the highlights of ground-breaking achievements in pump technology through the years. We suspected that our readers would come through with some information that we did not have.
The diesel exhaust fluid market creates opportunities for pump manufacturers.
Many options are available when pump repair is required.
When stator wear was an issue, a custom-made replacement part was the solution.
Address this problem to avoid the possibility of future crises.
Why don’t my PTFE gaskets seal FRP, plastic and other light load flanges?
Columns and Blogs
Tackling 4,000 years of pump technology and evolution in only eight pages of magazine space has been like trying to summarize War and Peace in one sentence.
In this multi-part series, we will investigate several aspects of centrifugal pump efficiency.
First of Five Parts
Since the original publication of this draft standard in the January 2008 issue of Pumps & Systems, I have received feedback, encouragement, numerous questions and criticism. The draft listed three basic levels of repair.
The McGraw-Hill scientific dictionary [5] states that a volute is "a spiral casing for a centrifugal pump... designed so that speed will be converted to pressure."
More Articles
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Called the "fastest-growing alternative fuel" in the United States by the Department of Energy, biodiesel continues to play an increasingly significant role in the nation's future motor-fuel supply.ns of biodiesel use by 2012.
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Polyurethane coating technology is commonly chosen for demanding exterior applications such as bridges, stadiums and other large structures. When maintenance was required inside the Hammond Water Filtration Plant in Hammond, Ind., a moisture-cured polyurethane system proved the only way to coat more than 35,000- sq ft of piping and valves.
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A paint and coatings plant that produces both cationic paste with pigments and cationic binders without pigments for truck shipment to automotive OEMs was experiencing difficulties when transferring the compounds from mobile tanks to trucks.
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Oil quality assessment causes lubrication issues at a refinery.





















