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While urea production is common, many parts of the process are hazardous and require sound safety infrastructure. It is also common for safety professionals and process owners to regularly review and revise standard safety practices. In 2015, an additional safety measure was recommended to prevent backflow into Koch Ag and Energy Solutions Fort Dodge’s (KAES) compressors. This additional layer of protection could be accomplished by assuring that the safety shutoff valves had bidirectional shutoff. KAES consulted with their Emerson Impact Partner, Stover Controls, and learned that the Fisher™ Z500 valve and Bettis™ G-series actuator provided the necessary shutoff and met site specifications, so they were selected for the Ammonia and carbon dioxide safety system compressor.
Learn the opening sequence of the Electro-Hydraulic Operator with a backup stroke accumulator.
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Emerson предлагает полностью протестированные узлы регулирующих клапанов Fisher для работы при низких температурах окружающей среды до –60 °C (–76 °F).
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This animation explains the two main types of control valve designs, sliding stem and rotary, as well as the rotational motion they use and their pressure recovery capabilities.
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Environmental compliance standards have tightened significantly with the introduction of the Quad-O regulations...
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Many end users and EPCs face challenges with automated SIS/ESD valve assemblies. This webinar explores how to solve those challenges and uncomplicate your SIS final element with Emerson’s Fisher™ Digital Isolation™ Solution.
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Take a closer look at how the Fisher™ L2t Liquid Level Controller detects liquid level or the interface of two liquids of different specific gravities.
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