Archive for the ‘Final Control Element’ Category

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 […]

Hydraulic Actuators for Regulating Large and Quick-Stroking Time Valves

Posted in Actuator on Monday, November 26th, 2018. No comments yet
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Author: Stefano Belletti Process plants, not only in the oil and gas sector, are becoming increasingly complex in a competitive environment. Therefore, the performance of regulating and modulating valves is also an area where we need to focus our attention to improve the process and optimize costs. Precision, reliability, speed of operation, and fail-safe capabilities […]

Proper Valve Selection and Control Strategies in Food and Beverage Processes

Posted in Final Control Element, Food & Beverage on Monday, November 19th, 2018. No comments yet
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Temperature control is a critical factor for many food & beverage processes. In a Flow Control magazine article, Selecting Valves for Food and Beverage Applications, Emerson’s Blake Coleman highlights the importance of the right valves and proper tuning to get optimum performance. Blake opens with what poor control may mean:

Prevent Valve Delamination in Conventional Power Plants

Posted in Final Control Element, Power on Friday, November 16th, 2018. No comments yet
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Author: Paolo Tomaini Conventional power plants are being disrupted by an increasing demand for renewable energy. The priority in providing energy to the grid associated with the intermittent intrinsic nature of the renewable energy output is creating a shift from base-load power down to cycling in traditional plants and causing failures. The demand for renewables […]