Archive for the ‘Final Control Element’ Category

Improving Valve Total Cost of Ownership

Posted in Final Control Element on Friday, November 17th, 2017. No comments yet
Tags: , ,

An important metric for driving continuous improvement in the process industries is total cost of ownership (TCO). One of the methods to lower these costs is to standardize and limit variations on the plant equipment across sites and geographic locations. In a Flow Control magazine article, Improve Total Cost of Ownership with Valves, Emerson’s Christof […]

Reliable Switching Valves for Ethylene Production Molecular Sieve Applications

Posted in Chemical, Final Control Element on Friday, November 10th, 2017. No comments yet
Tags: , , , , , ,

For a valve, zero leakage is defined as no visible leakage when tested at high pressure with water and low pressure with air according to existing international standards. Some of these seat leakage standards for control and isolation valves include ANSI/FCI 70-2/IEC 60534-4, API 598, MSS SP-61 and ISO 5208. ANSI/FCI 70-2 and IEC 60534-4. […]

Bulk Liquids Storage Pressure Control and Overfill Prevention

Posted in Event, Regulator, Tank Gauging on Wednesday, September 6th, 2017. No comments yet
Tags: , , , , ,

You only have to watch accident investigation videos such as the U.S. Chemical Safety Board’s Filling Blind video to understand the importance of pressure control and overfill prevention strategies for storage tanks in oil & gas liquids production, refining and distribution of petroleum products. This is precisely the subject of the next webinar in the […]

Selection Criteria in Compressor Anti-Surge Valves

Posted in Final Control Element on Friday, August 18th, 2017. No comments yet
Tags: , , ,

Some of the most consistently popular posts here on the blog involve compressor anti-surge control. It’s a condition in centrifugal and axial compressors where a flow reversal condition can occur. Wikipedia defines centrifugal compressor surge as: …the point at which the compressor cannot add enough energy to overcome the system resistance or backpressure.[26] This causes […]

Top-Entry Triple Offset Valves in LNG Applications

Posted in Final Control Element on Friday, August 4th, 2017. No comments yet
Tags: , , ,

The global natural gas market continues to develop as additional liquefied natural gas (LNG) facilities come online across the world. These LNG facilities have many challenges including equipment such as valves which come in contact directly with the cryogenic process. Considerations not only include fit for the application, but also how to safely and effectively […]