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  • Users: idesign73
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  1. idesign73

    Where to find models of branch connections?

    Hi all, I need to locate 3D models of branch connections (weldolets, sockolets and threadolets). I can find a few in a few sizes on McMaster-Carr's website, but I need a more complete library of these fittings. Does anyone know where I can find these? Thanks!!
  2. idesign73

    JIS 10K flanges

    Hi. I just received a request from a customer for my company to us JIS 10K flanges on their order. I'm not familiar with this flange spec. I know it is a Japanese spec, and the 10K refers to the pressure rating (at least I think). Could someone point me to an online table, offer a reference...
  3. idesign73

    Wedge Meter Tap Locations

    Hi all, I just started with a company that makes differential pressure flowmeters three months ago. I was hired because the company being consolidated back to corporate headquarters but none of the engineers were relocating. I forced as much information into my head as possible while the...
  4. idesign73

    Estimate Weld Cost

    Hi all. I am working on putting together a pricing program for our sales department that would allow them to enter in the dimensional parameters for venturis that we sell and obtain an estimate of our cost to manufacture. Dimensionally, it was easy to compute the weight of the unit, but when...
  5. idesign73

    P vs V of water

    My company makes liquid level gauges (my area being boiler trim). I am working on calcs for a gauge with a valve at each end. The gauge is pressurized to hydrostatic test pressure (at 70°F) and the valves are closed. Over the course of an hour the gauge loses about 150 psig of pressure...
  6. idesign73

    B31.1 102.4.5 Required Wall Thickness

    Hi all. My company makes liquid level gages for boiler trim applications. I am working on pipe bends that join two gage sections together. Our current product (designed WAY before my time)has the radius of the bend at 1 5/8" (NPS 3/4 Sch. 160 SA-106 Gr. B pipe)which, according to our...
  7. idesign73

    Quick Way to Change Background Color

    I am running AutoCAD 14.01 and need a way to quickly change my background color from black to white, and back to black again (without going through all the dialog boxes). Is there a way to change the status of a system variable to edit-able if it is read only (ie: CurrentProfile)? Is there a...
  8. idesign73

    Missing System Variable

    I am working on automating some tasks in Autocad 14. My problem is that I am missing a system variable called CurrentProfile. I have looked on several other machines at my company, all of which are running the same version of acad, and all of them list that system variable with the appropriate...
  9. idesign73

    Autocad Backup Files

    We work with AutoCAD 14 at my company (although I would like to upgrade to something at least within the last decade!). It is our company policy not to create backup files simply for space sake on our server, so each computer is set to not create backup files...
  10. idesign73

    Non-axially loaded plate with holes

    I am working on a design for vertically conductivity probes for boiler applications. Basically, I have an endcap for a pipe and I need to drill and tap holes in the end of it to allow the probes to be threaded in. I need to perform calculations to determine how many holes I can put in the end...
  11. idesign73

    Marking a particular data point in Excel

    I have a graph in Excel. I have turned the markers for the data points off, as I just want to be able to view the line itself. I do, however, have two critical data points that I want to highlight or mark somehow. I envision the data point circled, or a leader coming from the data point...
  12. idesign73

    Temperature in Enclosure

    I have what appears to be an easy problem, but I am not getting an answer that makes sense. I have a 60 Watt light bulb in a metallic enclosure (either ASTM B26 Aluminum or 316 stainless steel, I am to compare both). I need to determine two things: 1: The surface temperature on the inside of...
  13. idesign73

    ASME B&PV Code Spec for Welded Plugs

    I am looking for an ASME B&PV reference to weld size specifications for a welded plug. I am trying to perform calculations on a steam/water gauge in which a port is plugged. The plug sits down in the recess of the port and is basically attached with a fillet weld. I can find no ASME spec on...
  14. idesign73

    moly disulfide coating on 15-7 stainless steel

    I was wondering if anyone could give their opinion on a problem I have. My company uses Belleville washers(15-7 stainless steel)in liquid level gauges for steam/water applications. We have encountered a problem where the Belleville washers are cracking during operation, causing gauge failure...
  15. idesign73

    NPT threaded fitting

    I have a 3/8" NPT threaded fitting that is basically used as a plug in the side of a water column. I am trying to do an analysis of this part for a CRN (Canadian Registration Number) report that I must submit. I am having difficulties determining the proper way to go about analyzing the...

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