Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

Optimizing any cooling plant for minimal energy consumption is a demanding science. In many cases, minimizing chiller plant energy consumption requires modifications to the plant design, including ...

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 ...

Choked flow in control valves is a subject of serious concern for industrial users. The term is usually associated with destructive process conditions that can damage valve internals or expose ...

TOKYO--(BUSINESS WIRE)--Azbil Corporation (TOKYO:6845) announced that it will launch the digital mass flow controller model F4Q on August 18. The new controller features high-speed response and high ...

We have been taught for decades that the initial fireground incident priorities are life safety, property conservation and incident stabilization. Placing people before water shows a deeper ...