Automation in the process manufacturing industry is nearly always complex. Not only must automation technologies carefully orchestrate operations, but they must also monitor safety, reliability, efficiency, and these days, even sustainability. The distributed control...
The modal attenuator consists of a series of carefully engineered resonant cavities to provide sound reduction across a wide spectrum of frequencies. The full-bore design allows unrestricted flow, and internal drain channels drain off condensate which could build up in the device and reduce performance. Installed just downstream of the valve, the modal attenuator achieves an overall sound reduction up to 15 dBa, while creating no restriction in flow capacity whatsoever. The device can be used on existing valves or paired with a low noise control valve to achieve even higher levels of noise reduction. Unlike diffusers or silencers, the modal attenuator works consistently across a wide range of flow rates.
In their recent article in Plant Engineering, Emerson’s Claudio Fayad and Erik Lindhjem share that selecting plant control and reliability technologies is no longer a matter of convenience. Rather, project teams have shifted focus to delivering increased value across...
There is no escaping the fact that many of today’s process manufacturing plants need to modernize. As Emerson’s Aaron Crews explains in his recent article in Control Engineering, “Plants are often using technologies that are 20 to 40 years old. In many cases, the...
Digital transformation. It’s a buzzword we often hear but may not fully understand. Despite much interest in this concept, many questions remain around exactly what it is, what it means and, perhaps most importantly, where do you start? “The biggest misconception...
A plant’s basic process control system (BPCS) and safety instrumented system (SIS) are critical infrastructure for the facility. Many decisions go into selecting these systems, and one of the most important is selecting the right architecture—a decision that will...
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The opinions expressed here are the personal opinions of the authors. Content published here is not read or approved by Emerson before it is posted and does not necessarily represent the views and opinions of Emerson.