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Archive for the ‘Final Control Element’ Category

Sizing and Selecting Control Valves for Desuperheaters

Posted in Final Control Element on Monday, May 20th, 2019. No comments yet
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According to Wikipedia, superheated steam is steam: …at a temperature higher than its vaporization (boiling) point at the absolute pressure where the temperature is measured. It has: …tremendous internal energy that can be used for kinetic reaction through mechanical expansion against turbine blades and reciprocating pistons, that produces rotary motion of a shaft. The value […]

Avoid Operational Issues with Proper Control Valve Selection

Posted in Final Control Element on Wednesday, April 10th, 2019. No comments yet
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Because they directly touch the process flow, control valves play a significant role in the stability, robustness and variability in the process. One bad-acting control valve can create large problems for safe and reliable operations. At last week’s AIChE Spring Meeting, Emerson’s James Beall presented Specifying Control Valve Performance to Achieve Desired Process Performance. In […]

Augmented Reality-Based Remote Valve Assistance

Posted in Final Control Element, Industrial IOT on Tuesday, January 29th, 2019. No comments yet
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The phrase digital transformation can conjure up an image of massive changes over a short timeframe. But the reality is that we’ve been undergoing a digital transformation in our personal lives for decades. Things like remote control devices, wireless communications, access to information, etc. have all grown in scope and ease of access. Little changes […]

Partial Stroke Test for Final Elements—Diagnostic Coverage Factors

Posted in Final Control Element, Safety on Thursday, December 13th, 2018. No comments yet
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Author: Riyaz Ali Partial stroke test is one of the viable means to check mechanical integrity of Final Element of Safety Instrumented Function (SIF) loop. Generally, end users struggle on question of credit of PST for improvement in SIL (Safety Integrity Level). IEC 61508 and IEC 61511 define diagnostic coverage factors (DCF), but do not […]

What to Look for in Control Valve Technology to Positively Impact Your Bottom Line

Posted in Final Control Element on Wednesday, November 28th, 2018. No comments yet
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Author: Vincenzo Sipala How Plant Downtime Effects Your Bottom Line Keeping an intricate process plant at maximum productivity for multiple decades is no easy feat. Operations downtime caused by unscheduled maintenance issues continues to be a major cause of concern for companies, as it can have expensive consequences. According to Solomon Associates, companies reach the […]