Power Generation

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

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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Control Valve Flow Characteristics

Submitted by Jon Monsen, Ph.D.

Selecting a valve with the correct flow characteristic (the relationship between valve opening and flow capacity) can be as important as the selection of the valve size.

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HMIs: Beyond the Fixed Panel Interface

Submitted by Corey Foster || Valin Corporation

Factory automation mobility is not just about iPads. Companies of all sizes need to think about the software needed to push context-sensitive information to operators and managers.

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Portable or Dedicated Filtration?

Submitted by Tim Tritch

Populations Equipment packagers have an uncanny talent for squeezing major components into very small footprints, obviously to minimize floor-space requirements.

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OSHA's Standard Interpretation Letters

Submitted by Automation Engineering Staff

One resource that you may have overlooked is OSHA's collection of standard interpretation letters, which are OSHA's official responses to written questions about compliance with the agency's requirements.

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Should I use Pipe or Tubing?

Submitted by Parker Hannifin Corporation

Standard fluid line systems were for many years constructed from threaded pipe of assorted materials and were assembled with various standard pipe fitting shapes.

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What is Emissivity?

Submitted by Exergen

Emissivity is a surface property that determines how much radiation an object emits at a given temperature compared to a blackbody at the same temperature.

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What are your "Precision" Requirements?

Submitted by Corey Foster, Senior Automation Application Engineer

"Precision" is a term that needs to be broken down into several components including accuracy, repeatability, flatness, straightness, etc.

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