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, ...

Energy is useful. If controlled correctly it can create value and be put to good use. However, it is, by its very thermodynamic nature, potentially harmful and must be carefully contained within the ...

Plant engineers and technicians are frequently asked to tune the controller when a control loop’s process value has prolonged or significant excursions from the set point. But in many instances, no ...

US-based company Vulcan Materials is a major producer of aggregates-based construction materials, including asphalt and ready-mixed concrete. A couple of years ago, the company installed an Insitec ...