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  1. NozzleTwister

    Downstream News

    I thought about this link while reading another thread about the Sunray Valero Refinery fire. Hopefully their reports are better than the average newspaper. http://www.downstreamtoday.com/News/ NozzleTwister Houston, Texas
  2. NozzleTwister

    Duplex SS (UNS 31803) - Coefficients of Expansion

    I looking for Coefficients of Thermal Expansion for Duplex SS (UNS 31803) for temperatures less that 25 deg. C. down to -10 deg. C. or less. If you can provide this info, please cite the source as well. Thanks, NozzleTwister Houston, Texas
  3. NozzleTwister

    Conversion of Carbides to Graphite in Carbon Steel Pipe at High Temps

    I'm currently reviewing an existing FCC Reactor Overhead Vapor line that was installed in 1950 and operating since then. The material is 20" Sch. 30 (.500") A106, Gr. A. The original line has never been replaced. Recent inspection reports show this line still is very close to the originally...
  4. NozzleTwister

    1400 Deg. F - Insulated Pipe Supports

    Hi! I previously posted this on the 'Piping & fluid mechanics engineering' forum but I though I would re-post here in hopes of getting additional input from those that may not follow the other forum. I have an application where I need to support some stainless steel piping systems (6" NPS to...
  5. NozzleTwister

    1400 Deg. F. Hot Insulated Supports

    Hi! I have an application where I need to support some stainless steel piping systems (6" NPS to 10" NPS, Sch. 40S)with a 1400 deg F. design temperature. I'm trying to avoid welded attachments to the pipe and I'm thinking about using hot insulated supports something similar to what 'RILCO' or...

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