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Posts Tagged ‘safety shutdown valve’

Safety Shutdown Valve Local Control Panel

Posted in Final Control Element on Tuesday, October 4th, 2016. No comments yet
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For process manufacturers and producers with safety shutdown applications, local control panels are often installed to provide visibility and control actions to operators locally out in the process area. Actions can be taken at these panels to initiate an emergency shutdown. I caught up with Emerson’s Riyaz Ali about how these local control panels work […]

Critical Safety Shutdown Valve Actuators for United Kingdom

Posted in Actuator, Oil & Gas on Friday, February 7th, 2014. 2 comments so far
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Imagine 30% of a country’s energy supply relying on two safety shutdown valves to flow natural gas and liquid condensate safely from offshore oil & gas production platforms to an onshore processing facility. It’s critical that the valve actuators reliably perform their function to close the valves when a shutdown command is issued by the […]

Control Valves in Process Safety Applications

Posted in Final Control Element, Safety on Monday, April 11th, 2011. No comments yet
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Update and bump: I received great news from Riyaz that the ISA Kuwait section has agreed to let us upload and link to their December 2009 newsletter containing Riyaz’s article, When is a Safety Integrity Level (SIL) Rating of a Valve Required? I’d like to thank the ISA Kuwait staff and encourage readers in this […]

Positioners and Partial Stroke Tests in Safety Applications

Posted in Final Control Element, Safety on Wednesday, February 4th, 2009. 8 comments so far
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InTech magazine has a web exclusive on the importance of safety valves in a safety instrumented system. The article, Valve failure: Not an Option, describes methods of implementing partial stroke testing (PST) to reduce the probability of failure upon demand, average (PFDavg). For those not familiar with a partial stroke test, I found this definition: […]