This column is moderated by Béla Lipták, who also edits the Instrument and Automation Engineers’ Handbook, 5th edition, and authored the recently published textbook, Controlling the Future, which ...

04/02/2025 Warren Controls Inc. By: Al Gunnarson, VP of Sales and Marketing Warren Controls, Inc. For decades, selecting and sizing control valves was a complex and time-consuming task. Only large ...

A worksheet that calculates control valve installed gain can be part of any control valve selection process. For many years, the author has used, and promoted the use of, control valve installed flow ...

If you suddenly have the need for a two-way, flow control valve — from a valve-selection standpoint — what kind of questions do you ask yourself? Many, perhaps, don’t ask any questions and may make ...