Blogs

Steps to Better Process Control Tips (Part 1)

We start this series with the steps for the selection and installation of the field measurements and control valves or variable speed drives to enable the control system to meet plant objectives. The measurement is the essential window into the process and manipulating a flow is the essential way to...

Checklist for Best Control Valve Performance

The threshold sensitivity and resolution of measurements (smallest incremental change) has improved dramatically to better than 0.05% with new sensor technology and smart compensation of extraneous effects of operating conditions. The response of the air-actuated control valve has improved, but the smallest incremental change in position varies widely depending upon...

Book review: Mastering Split-Range Control, by George Buckbee

George Buckbee is best known as the mouthpiece for Expertune, but he also is the president of a little known effort called PIDTutor.

Emerson says their valves are first to be SIL3 certified to IEC 61508

Press release just in from Jerry Moon at Emerson:  EMERSON’S FISHER® CONTROL VALVES ARE FIRST TO BE SIL 3 CERTIFIED TO IEC 61508 STANDARDS Certification simplifies safety standard compliance for customers AUSTIN, TEXAS (June 9, 2008) -- Emerson Process Management has received SIL 3 certification of several ranges of its Fisher®...

Control Futurecast: The Future for Control Valves

Control is 20 years old. Most magazines would spend the year reminiscing about how wonderful the last two decades are, and what they covered. Not us. We're spending the year looking forward. Here's a new video we call a "Futurecast" about control valves: Futurecast: The Future of Control Valves...