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 ...

Every plant in the process industry most likely has several control loops that do not perform well. Although there are many factors that may negatively affect control loop performance, a few of these ...

This Control Talk column appeared in the April 2021 print edition of Control. To read more Control Talk columns click here or read the Control Talk blog here. Read Greg's annex proposal. Greg: I ...

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 ...

Q: I’m an instrumentation and control engineer at Egyptian Liqufied Natural Gas (ELNG), and I’d like to ask for your help in understanding the data sheets (below) I must use to purchase a control ...

Metso Valve Manager diagnostics software takes predictive control valve maintenance to a new level by making information more user friendly and more easily understandable. Metso Valve Manager ...

Many engineers may wonder if it is possible to have flashing liquid flow in a control valve even if flow is not choked. The short answer is yes, but it is not very common. This article provides a more ...

A host of fast-track projects related to carbon dioxide injection are being initiated across the globe, each requiring expertise in control valve selection for these difficult applications. This ...