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Introduction In refinery turnaround work, pipeline isolation is often treated as a routine maintenance task until operators face leakage during hot work preparation or line intervention. Choosing between a spectacle blind valve and a paddle blind is not simply a matter of installation preference. The selection affects isolation reliability, operating time, piping stress, and maintenance access. &n...
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Selecting a plug valve for high-pressure service is rarely just about matching the pressure class on a datasheet. In actual industrial systems, valve performance is influenced by temperature, media condition, operating frequency, sealing design, and maintenance accessibility. A plug valve that performs well in clean liquid service may fail much faster in steam, slurry, or corrosive chemical applic...
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