Power Generation

Below you will find white papers on topics involving process control and automation.

ZWICK TRI-CON Triple Offset, Metal Seated, Butterfly Valves

TRI-CON valves incorporate a unique third offset with a 25-degree incline, eliminating the friction between the laminated seal ring and the body seat. The resulting camming action allows the stainless and graphite laminated seal ring to seat into an inclined 25-degree body seat. Learn more.

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Justifying the Cost of Safeguarding Equipment

Machinery safeguarding represents one of the best investments on the plant floor. For example, in a study conducted by the Liberty Mutual Group for the US, 61 percent of executives say they save $3 for every dollar invested in safety equipment and programs.

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Determining Gas Density Using the NIST Chemistry WebBook

Submitted by Jon Monsen

The NIST Chemistry WebBook contains a great deal of information regarding the properties of a broad range of chemicals and is helpful for those who deal with chemical processes. In this article, Jon Monsen has outlined the procedure for finding the actual density of a gas using the WebBook.

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7 Switch Myths Busted

Submitted by Michael Sandlin || United Electric Controls

With more than 80 years of evolution since its introduction, switch technology has changed significantly enough that some of the common beliefs about switches are no longer true. Click on the button below to read about the seven common myths surrounding switches.

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StoneL's Axiom AN Increases Valve Communication and Control

If you are looking for a valve controller that can be used on most on/off automated valves then look no further. StoneL's new Discrete Valve Controller provides unmatched reliability, state-of-the-art monitoring and robust pneumatic control in hazardous and general process applications.

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Fluid Power - Introduction to Pressure: The Basics

Submitted by Russ Rochambeau, Engineering Manager, IFPS Hydraulic Specialist, Valin Corporation

When discussing fluid power, pressure is the basis for producing any kind of work.  Work cannot be achieved without pressure. To understand the finer points of fluid power, one must first understand the concept of pressure

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Gas Flow in Control Valves

Submitted by Jon Monsen, Ph.D.

The principal difference between the nature of the flow of gas and the flow of liquid through control valves is that liquids are incompressible, and gasses are compressible.

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