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Posts Tagged ‘hydraulic valve actuator’

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 […]

Hydraulic Partial Stroke and Diagnostics on Emergency Shutdown Valves

Posted in Final Control Element, Oil & Gas, Subsea on Friday, January 21st, 2011. No comments yet
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I’ve discussed partial stroke testing (PST) as a diagnostic for the health of a valve in many posts over the years. These posts describe flow applications found in most process manufacturing facilities. But what about high-pressure and hydraulic applications including subsea wells and natural gas pipelines? I came across an internal article written by Emerson’s […]