If you suddenly have the need for a two-way, flow control valve — from a valve-selection standpoint — what kind of questions do you ask yourself? Many, perhaps, don’t ask any questions and may make ...

Proper valve sizing and selection saves facilities money by improving plant uptime and decreasing maintenance costs. One way to improve the selection of valves for a particular application is to take ...

The complete Nelprof™ valve sizing and selection software for all intelligent automated process valves by Neles is now available as a free web-based tool. With its advanced control-valve selection ...

A worksheet that calculates control valve installed gain can be part of any control valve selection process. For many years, the author has used, and promoted the use of, control valve installed flow ...

Aveng Manufacturing Dynamic Fluid Control former sales engineer Ray Kirby discusses the importance of selecting the correct valve for use in a mining operation. Camerawork: Nicholas Boyd. Editing: ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...

A single power plant uses hundreds of valves to control almost every aspect of its operation. Valves, in conjunction with a controlling actuator, are used for pollution control, feed water, cooling ...

Directional-control valves are vital in any pneumatic circuit, directing or blocking airflow to control the speed or sequence of operations. One method of classifying directional-control valves is by ...