Valve specification begins with the control loop, which includes the transmitter that forwards signals to the computer, positioner and its actuator. The control valve assembly consists of the actuator ...

Our process control expert and monthly columnist, Gregory McMillan, talks about modeling and controls. He shares his industry knowledge of more than 44 years of process control experience. McMillan is ...

It took many years, but wireless technology has become accepted by skeptical instrument engineers worldwide. When ISA100 Wireless instrumentation first appeared in 2010, engineers were nervous about ...

When selecting a valve, your choices may seem overwhelming. Start by asking the question: what do I want the valve to do? Michael Adkins outlines considerations for two of the most popular valve ...

CONTROL valves provide a way to modulate the flow rate through a line, maintain the level in a tank, or adjust the pressure in a pipe. A sensor measures the desired value and a controller slightly ...

Explore control valve selection for challenging supercritical carbon dioxide pipelines and injection systems in fast-track global projects.

Values of this expression for typical published FBBV C values range from 0.10 to 0.25, clearly exceeding the threshold value. A second challenge related to the ultrahigh capacities of these valves is ...