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Posts Tagged ‘zero-bleed positioner’

Positioner Pneumatic Pressure Bleed in Throttling Control Valves

Posted in Energy, Final Control Element on Tuesday, June 14th, 2011. 2 comments so far
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With the emphasis on improving energy efficiency and reducing greenhouse gas emissions, process manufacturers have turned to pneumatic low-bleed and zero-bleed valve positioners. Emerson’s Riyaz Ali copied me on an email about a recent article that mentioned a zero-bleed valve positioner. Riyaz noted that positioners mounted on valves used in throttling applications need to be […]