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  • Users: Fzob
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  1. Fzob

    Flame Arrester Materials of Construction

    Hi to all. I need to replace a 6" flame arrestor due to corrosion. The MOC is Hastalloy C, and costs about 30K to replace. Repair is not possible due to the extent of corrosion. The vapors it is exposed to are a combination of wet HF and HCl, is low concentration (approx 1% to 5%) and ambient...
  2. Fzob

    Macros and add-ins

    I am trying to start the solver add-in via a macro and cannot seem to figure out how to acomplish this. Any one have any advice? Thanks
  3. Fzob

    Blowdown Settings for Reliefs

    I am in the process of fine tuning a relief valve inspection / reliability program and am looking for information / criteria to use in order to determine when a valve needs to be evaluated for reliability. For example the blowdown setting when installed was X. After being pulled for...
  4. Fzob

    Niro Atomizer Failures

    Hi I have a couple of Niro atomizers (F-35?) that have very high failure rates. Typically the input shaft wipes out due to a bearing failure. They are belt driven, balanced during rebuilds, belt tension is monitored, and machine is maintained per the manufactures recommendations. Input speed is...
  5. Fzob

    API 510 External Inspection - Inspector Qualifications

    API-510 goes into some detail outlining the inspector qualifications to perform in-service and out-of-service inspection (ie Authorized Inspector). In my reading of the external inspection requirements, API-510 does not specify qualifications to perform external inspections. Does anyone have...

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