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  • Users: PMarinshaw
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  1. PMarinshaw

    Combination Device with one device not having an ASME certified flow coefficient

    I have a vessel with ASME U stamp, and a 15 psig MAWP rating. It is protected by a PSV set at 15 psig. Can I use a rupture disc below the PSV (for corrosion isolation purposes), with a burst pressure of 14 psig (which meets the ASME UG-131 pressure setting criteria), but does not have a UD flow...
  2. PMarinshaw

    Flexible Hoses

    I have several lines connected to a reactor that contain a short span (~3-4 ft in length) of flexible hose approximately 15-20 ft away from the RX connection flanges. What is the best way to model these in C2?
  3. PMarinshaw

    C2 - Combo Structural + Piping Model

    thread775-416170 Does anyone have a combination structural & piping model I can learn from to correctly attach the piping to the steel
  4. PMarinshaw

    Modeling a Tank Dimple

    A client of mine has a large tank in which a weld patch was made. During the welding, the thin wall pulled in very irregularly over an area about the size of a double door. I want to model this "dimple" in order to do FEA and I know it is a simple solution for those experienced in surfaces, of...
  5. PMarinshaw

    Repair of Section VIII Vessel

    Where can I find the requirements for a specific repair of an ASME U stamped vessel? I have searched API 510 & API 579 without success. I have a 1-1/2" unreinforced nozzle to remove. I want to cut off the nozzle flush with the OD and then weld a patch plate over the hole, rather than attempt...
  6. PMarinshaw

    Large Volume HDPE Tanks

    I'm looking for a supplier of manufactured HDPE tanks from 32000 to 53000 gallons capacity. Products to be stored are various blends of esters and betaines. In my preliminary search I could not find a supplier than makes them this large. Does anyone know of a domestic source of supply or...
  7. PMarinshaw

    Thermal Relief Spacing

    Does anyone know of an existing "rule of thumb" for spacing thermal reliefs in a pipeline (every 1000' etc.) due to solar radiation? I know there are many variables to consider such as pipe size, product contained, elevation changes, where in the world the pipeline is, P&T, etc. I'm not looking...
  8. PMarinshaw

    SW2012 Performance Degraded

    Last month I upgraded to SW 2012 from SW2011 SP4. I have noticed a significant decrease in performance - simple input tasks (like editing a sketch) are taking 5 -10 seconds from the time I click or RMB click before the command become available for execution. I had no issues with SW2011 or...
  9. PMarinshaw

    Multiple Configuration Dimensional Control

    Given a part with multiple, existing configurations or adding a new configuration to an single configuration part: When adding a new configuration and assigning new dimensional valves to an existing feature, the default setting when editing the dimension value is "apply to all configurations"...
  10. PMarinshaw

    Pickling of A333 Grade 6

    I'm considering this alloy for low pressure (2-100 psig) marine vessel piping system (-40F design, ~+40-60F operating) which will need to be flushed with sea water about once a year and then pickled & coated with rust inhibitor. Does anyone have any recommendations or concerns regarding the...
  11. PMarinshaw

    BOM Table Custom Properties

    I use custom properties alot. I'm trying to find the syntax for extracting the item number and quantity from a SW BOM table (standard SW table - not an excel based table) to put in a note on subsequent drawing pages when the part gets detailed. I searched the help files but couldn't get it to...
  12. PMarinshaw

    Add Relations/Properties Property Manager

    Somehow I inadvertently deleted the icon for the Relations Property Manager, conveniently located between the Feature Manager Design Tree and Configuration Manager Icons on the tree structure. I have searched the help and knowledge base without luck and can't find a way to get it back. To view...
  13. PMarinshaw

    Compression Ring vs Wind Girder

    A basic question for understanding. Regarding API 650 tanks, what specifically is the purpose of the compression ring and how it reacts differently that a top shell stiffener ring, ie wind girder?
  14. PMarinshaw

    Excel File Custom BOM Table Bugs

    In SW 2010, SP 1.0, an excel bom table imported to an assembly drawing is giving me fits. The property PARTNO correctly imports the part number into the BOM table, for all parts except those with multiple configurations - the value in the PARTNO column is reporting the Configuration Name. The...
  15. PMarinshaw

    Excel BOM Table Acting Up

    Using SW 2007, SP5. Just now experiencing a new problem for an excel table BOM which was working properly until just recently. When I insert the excel BOM table, it appears fine in the drawing. If I regen the drawing or take another action like printing to pdf, the BOM table suddenly populates...
  16. PMarinshaw

    Feet-Inches Text To Number Macro

    I get an excel report from 3D modeling software which gives center of gravity coordinates as text i.e. 6'-2". Is there an existing macro to convert this to a number, preferably in inches - 6'-2" becomes 74.
  17. PMarinshaw

    Assigning to a variable a value from an Excel cell

    A little backgound. Many years ago I did some basic programming with VB, but haven't touched it for ~ 10 years. I am running a complicated macro in Excel which loops through over 10K separate calculations and have come across a snag. I'm using the GoalSeek imbedded function within Excel to...
  18. PMarinshaw

    Square Tubing vs Round Pipe

    What experience does anyone have in the consideration of a square cross-sectioned conduit instead of circular. I'm in the area of precise fluid flow measurement by differential head devices. Specifically I am interrested in any references or articles I might review that discuss velocity...
  19. PMarinshaw

    Thread Stripping Areas

    I have looked in several reference sources without help. Can anyone point me to a resource that has thread stripping areas for internal / external threads (UNC or UN) or provide the formula for it's calculation.

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