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Recent content by aybee

  1. aybee

    LO-Cat sulphur removal plants

    does anybody have experience in operating LO-Cat plants? looking for feedback on potential operational or corrosion problems, any exotic materials which need to be used, special piping set ups with rodding tees?
  2. aybee

    Pipeline Repair (Composites vs. Steel Sleeves)

    Furmanite provide a wrapping service which wraps the area in Carbon fibre fabric it results ina very strong repair.Aybee
  3. aybee

    BS3351

    does anybody have information on this old BS pipe , what thickness grade "Extra Heavy " was Aybee
  4. aybee

    cooling rate

    Metalsinc. If you sent the file to Yahoo and it was returned would you mind re-sending, ...my Yahoo address had lapsed, I have reactivated it...thks Aybee Rich2001...handy link good stuff in there Aybee
  5. aybee

    cooling rate

    Metalsinc. all contributions gratefully received , try posting to eckybo2001@yahoo.com tks Aybee
  6. aybee

    cooling rate

    does anybody have a formula for weld cooling time to prevent cracking in carbon steel welds ..ie 800-500degree temperature drop time? I got one but I think I set it up incorrectly into my spreadsheet as it gives wierd times
  7. aybee

    Von Karman vortex shedding strakes on stacks

    did you ever get a source for this Paper? Aybee
  8. aybee

    H2SO4 tank nozzle failure

    the nozzle wasn't a seamed grade was it? sounds like preferential attack on a weld line?..Aybee
  9. aybee

    API2000 vent capacity calculation

    Protectoseal sell these and will send you a CD which will enable you to calculate the size..Aybee
  10. aybee

    I am currently working on a proje

    apologies all I forgot to say who "they" were ,,refer to TEMA the heat exchanger reference for piggy back exchangers..Aybee
  11. aybee

    I am currently working on a proje

    Bogu . this is a common method of "piggy backing" heat exchangers . As far as I know they refer to Zick for shell/support stresses.Aybee
  12. aybee

    Australian Standards

    Wahlbanger most Australia States require Design Verification and 3rd Party Inspection if AS4343/AS3920.1 calls up the vessel or pipe as hazardous, the degree of Hazard determines the need or otherwise of the Verification and Inspection...Aybee.
  13. aybee

    Question regarding inspection of vessels/tanks,..

    carthago.. there are thickness detection "crawlers" which can traverse tank floors and sides of tanks which will take UT readings as they go store them and can provide a read out on a PC which shows the floor area thickness in colour variations as a function of the thickness read. These...
  14. aybee

    Flanged dish end

    agree with all the other guys have said, have you considered a single piece forging for the flange with cylindrical shell sections for attachement to head and to shell.that way you can get good shell/head to flange section welds , lower stresses at the flange to shell attachment..Aybee
  15. aybee

    What ASME section covers in-service repairs and alterations?

    Hey robsalv, I am a banana bender!!! ...you will know what I mean..yes lots of replies on this one..Aybee
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