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  1. fastphantom

    High Cycle Thermal Fatigue

    Hi I have an application that in normal operation would cycle from ambient to operating temperature - approx 450-500 deg C, and should sit at that temperature for a month or two, come off for maintenance and be turned back on. It could have between 10 and 20 thermal cycles per year. This under...
  2. fastphantom

    Plate Layout for Spherical Pressure Vessel

    Hi Can anyone help with the best (most efficient use of steel) plate layout for a 17m diam spherical pressure vessel. Thanks
  3. fastphantom

    Bottom Plate Thickness in Overturning Stability 5.11.2

    In 5.11.2 does the thickness of the bottom plate effect the overturning. I am replacing a 40 year old tank. Due to process conditions the client has requested the tank be built form SAF2205, resulting in 5mm walls and a 6mm floor. The tank is 4.5m diam, overflow Height 6.6m with a cone roof. In...
  4. fastphantom

    AS 1692

    Hi I need to replace some existing Sodium Cyanide Tanks. The tanks were previously designed to AS1692 - however when reading that code it states it is only applicable for liquids whose density is not greater than 1000kg/m3 and the max volume for a horizontal tank is 150m3. Now the density of...
  5. fastphantom

    manage data without a database

    Hi I am trying to create a list that can be added to. Save the list, reveiw the list all with out using a database. Any clues. Thanks
  6. fastphantom

    API650 PLATE STRESS DUE TO ATTACHMENTS

    Trying to work out the stress in the shell due to an attachment - like a pipe support or platform, and then if a compensating plate is required. Can anyone help. Thanks.
  7. fastphantom

    FRP Pipe Butt Join

    CAn anyone help with a resource that specifies thickess (number of wraps) and width of an frp piping butt and strap join for different diam frp pipe. Thanks in advance
  8. fastphantom

    FRP Butt and Strap Weld

    CAn anyone help with a resource that specifies thickess (number of wraps) and width of an frp piping butt and strap join for different diam frp pipe. Thanks in advance.
  9. fastphantom

    pontoon overturning/stability

    Can anyone help with a calc for overturning or stability of a floating vessel (like a pontoon or barge)? Thanks
  10. fastphantom

    ANSI Paint Colors

    Our company has been asked to supply equipment to be painted in color ANSI 24. Can anyone help in proving info on what color that is, or point me to a web site that lists colors, alternate colors. Thanks in advance. Regards Tony
  11. fastphantom

    Washers?

    Bit of a debate at the moment in our office over the use of washers in bolted flange connections. Can anyone shed some light as to whether washers are required in a bolted flange connection? Is it a code requirement? A users preference? Does the washer serve some addition purpose when bolting...
  12. fastphantom

    Piping for Sulfuric Acid

    I need to dose low flow rate 100L/h 98% Sulfuric acid through 60m of tube/pipe. Would appreciate help in pipe material selection and for this low flow a pipe size that won't be effected too much by expansion and contraction in and out of the sun. Any thoughts Thanks

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