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  1. vonz33

    Shear locking on threaded bolt

    Hi there, I have a diesel injector to withdraw from a head cylinder. The thread at the top of the injector was threaded due to an incorrect technique and it's now in the way, it must go. I withdrew the other 3 injectors without any issues after this incident, however, now the female adaptor...
  2. vonz33

    Prototyping with fluids containing potassium hydroxyde

    Hi there, In the frame of this elctrochemical test module part or our own R&D of a gas system, including within sub parts of the system, a mix of gaseous fuel (hydrogen) and water based electrolyte with a high concentration of KOH (potassium hydroxyde), and even after a few years using rated...
  3. vonz33

    Electrolysis test cell for R&D electrical fault troubleshooting

    I know all that thank you. If you take a look at the 3D model you will see that the metal end caps are totally isolated. No download of any kind is necessary to see materials hosted on google. Let me know if you do not have Autodesk Inventor in this case I can output an exploded view of the...
  4. vonz33

    Electrolysis test cell for R&D electrical fault troubleshooting

    Hi there, Trying to finish a job on delivering this electrolytic stack to a local university and having electrical issues. It's probably pretty simple stuff but I have no electrical engineer around at the moment and trying to troubleshoot the fact that the cell stack is charging the...
  5. vonz33

    Electrolyser test cell for R&D fault troubleshooting

    Hi there, Trying to finish a job on delivering this electrolytic stack to a local university and having electrical issues. It's probably pretty simple stuff but I have no electrical engineer around at the moment and trying to troubleshoot the fact that the cell stack is charging the...
  6. vonz33

    3-4 MW Large Scale Electrolyzer ( H2 Production)

    What brand is this electrolyser? Hydrogenics, or else?
  7. vonz33

    AS2129 Flange table D and E .ipt files Inventor

    these are ASME, we are after AS2129 ipt or sat or any library that i can use in 3d modeling cheers!
  8. vonz33

    Find the flaw on this design

    Thanks for this precision. So let's say we have: - Table D rated at 100psi - Table E rated at 200psi - Table F rated at 300psi Working pressure of unit is 150psi, therefore I will choose Table E to work at 150psi and run hydrostatic test at 300psi (150% of 200) correct? Will read AS2129 when...
  9. vonz33

    AS2129 Flange table D and E .ipt files Inventor

    Finally will have to work with table E also and found only the blind ones http://www.3dcontentcentral.com/Search.aspx?arg=AS2129 will extrude the bore to make it a slip on however it would be nice if I could find the whole flange AS2129 range somewhere to file it for further use since its not...
  10. vonz33

    Find the flaw on this design

    I'm considering the local AS2129 table F as it is rated for 300psi however would that be for max pressure or working pressure, just double checking as my usual boiler maker said the standard rating is for max pressure. We will be working under 150psi (setup of the pressure switch) but the unit...
  11. vonz33

    AS2129 Flange table D and E .ipt files Inventor

    Sorry if I sound retarded but I don't really know a way to convert a *.jpg table into an *.ipt file how do you do this, or maybe you wanted to share a *.sat
  12. vonz33

    Find the flaw on this design

    LittleInch (Petroleum)19 May 17 14:34 [highlight #8AE234]I don't think this thing will ever seal though at 300 psi or even 150, it's just too weedy.[/highlight] Exactly... I mean, an assembly that fails at 20psi when it's supposed to withhold 300 that's a huge gap to cover up, honestly I don't...
  13. vonz33

    AS2129 Flange table D and E .ipt files Inventor

    mk3223 thanks for that but all I can get from your file sharing is only a couple of jpgs no ipt files
  14. vonz33

    AS2129 Flange table D and E .ipt files Inventor

    Hi there I'm looking for a library of AS2129 flanges as this is the standard in our region of the world however, Autodesk Inventor did not provide the .ipt material for assemblies. Have spent half a day searching on Google and could only find AS2129 table F, that's a start however it would be...
  15. vonz33

    Find the flaw on this design

    SnTMan (Mechanical)18 May 17 21:53 vonz33, changing to a cylindrical design will not, of itself, prevent problems. So then why does gas suppliers are is still using the old cylindrical type tanks to store their gas when they can make them square it would be a lot easier to transport! (joke)...
  16. vonz33

    Find the flaw on this design

    TugboatEng (Marine/Ocean)17 May 17 13:52 It can be square, there are many square plate type heat exchangers.in service. They just have very thick end plates. Thanks for your response This vessel has very thick plates already, the issue is all the fiddly bits in between Cleanup with anaerobic...
  17. vonz33

    Find the flaw on this design

    TugboatEng To go gasketless for a test unit prototype is not ideal to us as this means sealants that requires cleaning the parts or thin stuff that you have to cut over and over again every-time the unit is being pulled apart, and this happens a lot at this stage of R&D. Now for the "stiffer"...
  18. vonz33

    Find the flaw on this design

    >Compositepro (Chemical) Did you even use any particular procedure for tightening the bolts? With this type of seal you must finger tighten all the bolts and then in small steps tighten bolts on opposite sides so that the plate compresses the gasket evenly. As I said earlier, the bolts were...
  19. vonz33

    Find the flaw on this design

    >SnTMan (Mechanical)9 May 17 20:23 >vonz33, I won't tell you I understand your design, I cannot work up the interest to wade through all the material you provided. But I can share some of my experience with non-circular pressure vessels. Thank you.. This design is not patented and we can't say...
  20. vonz33

    Find the flaw on this design

    In response to LittleInch: >What's the purpose of this thing if it allows flow across it, but only by a strange method of a hole in the gasket. Gaskets compress and I can't see what the purpose of those holes are in the corner of the mid plate and gasket. I am unable to reveal more of the...

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