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, ...

Valves, also referred to as rotary airlock valves or rotary feeders, are vital elements of any dry bulk material handling system. They act as sealed connection points that control the flow of material ...

At 6-foot-9, just the other side of 50 and working every day outdoors, William Maxwell was accustomed to feeling robust. So in the fall of 2013, when, on the way to work on a job in Louisiana, he felt ...