This chapter serves to review the basic types and principle of operation of process control valves and their associated actuator and positioner systems. As a result of studying this chapter, the ...

Valve position indicators are electrical switching devices that mount directly on a valve actuator, or indirectly on a transfer case. They are used in conjunction with a valve positioner. Valve ...

In process flow control, there are many factors affecting variability, but the greatest contributor is the control valve’s performance. Issues associated with control valves, such as dead band, ...

The article will then look at valve types very briefly before focusing on digital positioners. It will examine the expectations that the user should have with regards to digital positioners, for ...

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 ...

MALVERN, PA / ACCESSWIRE / October 31, 2024 / ifm efector, inc. (ifm), a leading provider of sensors, controls, and software for industrial automation, today introduced its new MVQ301 process valve ...

Festo introduces a ball valve assembly program designed to deliver a host of process application benefits. This new process-based program provides customers with a high-quality solution across ...

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 ...