Mining

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

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.

Read More

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.

Read More

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.

Read More

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.

Read More

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.

Read More

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.

Read More

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.

Read More

How to Select Valve Actuators for Rotary Valves

Submitted by Jon Monsen, Ph.D.,

At times a process engineer must choose between a pneumatically or electrically actuated valve for a system. There are advantages to both styles, and it is valuable to have data available to make the best choice.

Read More