Posts Tagged ‘Fisher’

Simplifying Safety Valve Proof Testing

Posted in Safety on Wednesday, December 19th, 2018. No comments yet
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A safety instrumented function (SIF) within a safety instrumented system (SIS) consists of a sensor, logic solver, and final element. As part of the IEC 61511 global safety standard, these elements within the SIF must be tested during the operational phase of the safety lifecycle. Of the 3 elements, the final control element, typically a […]

Stabilizing Pressure Regulator Performance

Posted in Regulator on Tuesday, October 16th, 2018. No comments yet
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In many areas of the industrialized world, natural gas transmission and distribution companies provide gas to commercial and industrial users, as well as many of us in our residences. For commercial users, such as apartment complexes, and industrial users, stable pressure is critical for operations. A 6-page whitepaper, Solving Instability Issues in Commercial and Industrial […]

What are Valve I/P Transducers?

Posted in Education, Final Control Element on Thursday, September 6th, 2018. No comments yet
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As we continue to see a generational shift in the manufacturing industries, I like to highlight educational videos developed across the Emerson business groups. Our group managing Fisher Valves & Instruments products has recently posted a 2:51 YouTube video, What are I/P Transducers? This video, developed by the Valves, Actuators & Regulators educational services team, […]

Saving Project Timelines and Costs by Avoiding Control Valve Over-specification

Posted in Final Control Element on Tuesday, February 6th, 2018. No comments yet
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Control valves are a critical part of process manufacturing processes and require great care in selection and specification. But what if the specifications are too stringent impacting both cost and lead times? The costs and delays can have an impact on the overall performance of a capital project. In a Processing magazine article, How To […]

Low-Bleed or Standard Relays for Control Valves?

Posted in Controllers & Positioners, Final Control Element on Tuesday, January 2nd, 2018. No comments yet
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Happy New Year everyone! I hope your holidays helped to recharge your batteries and get you off to a great start for 2018. I saw this exchange in my email over the holidays about the effects of using low-bleed relays with Fisher DVC6200 digital valve controllers for control applications as compared to standard relays. This […]