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  1. bluedieselblack

    Pressure Vessel Clamps

    Thanks. Thought there might be a small hidden US company someone knew.
  2. bluedieselblack

    Nies formula for Ovality

    Let me clarify, other than a "Goggle Search", which leads to the article that mentions "Nies Formula", Is anyone familar with the Nies information. Thanks
  3. bluedieselblack

    Nies formula for Ovality

    Does anyone know where to locate information regarding ovality calculations by, last name, Nies? Information would be related to steel tires for trunnion mounted rotary equipment. Examples would be a rotary kiln or drum tire. Thanks
  4. bluedieselblack

    Pressure Vessel Clamps

    Does anyone know of another source for Pressure Vessel Clamps, other then Jaygo?
  5. bluedieselblack

    Looking for a Good Bin/Bunker Design Guide

    Is there another good guide for Bin/hopper design? I have the Tubular Steel Structures by Troitsky. The text and the example in Appendix B, Page 7-62 for bunkers has so many typo errors you almost have to re-write the book to follow it. Thanks
  6. bluedieselblack

    Seismic Tank Design

    Can anyone recommend a good Seismic Design Textbook for Tanks / Pressure Vessels? I need to start at the begining and not with a Handbook. I have both Pressuve Vessel Books, Moss and Megyesy. Thanks
  7. bluedieselblack

    Nozzle pipe and flange material

    If when you say minimum meaning "least expensive" or "standard CS material", then LWN will be A-105.
  8. bluedieselblack

    Vessel Lifting Lug Design

    Thanks for the comment. For a simple cylinder lift < 20,000 LBS a standard lugs would be acceptable. I was just checking to see if anyone had confirmed the standard lugs using the calculations and notes listed. I have found many of the tables missing back-up information. Everyone references...
  9. bluedieselblack

    Lifting Lug Calculation

    The COMPRESS PV Software Manual has a lift lug proceudre in Appendix C, 8 pages. Check their web site.
  10. bluedieselblack

    Vessel Lifting Lug Design

    Several references are made to use the Moss, PVDM 3rd Edition for lug design. I am having trouble confiming/checking/calculating and coming up with the lug thicknesses listed in the Table 7-5 Page 399, based on the loads listed. Has anyone checked this table? Please advise. Thanks
  11. bluedieselblack

    Access Openings in Skirt

    I am looking for the option to include access openings in vessel skirt. Does Compress have this option? Thanks
  12. bluedieselblack

    SS Nozzle through CS Blind

    Thanks Guys, I went back to my mechanics of materials to get a first guess. The expansion length, LE=L*Coef. of Exp* Delta T. The force to compress a column, LE=P*L/(A*E). Set these two equal and solve for P/A. Compare to ASME Allowable. The required weld is based off P.
  13. bluedieselblack

    SS Nozzle through CS Blind

    We have an original design with an 8" XX Heavy 304 SS pipe through a A-105 CS, 1500# blind, 7.25" thick. Operating at 600 F. The weld is not full penetration each ends has 1.5" groove and 7/8" fillet. What would be a good way to evaluate the stress in the pipe between the welds due to the...
  14. bluedieselblack

    Modeling an Appendix II Flange

    In Compress, what is the best type of flange (Slip-On Loose, etc.) and facing sketch(1b right, etc.)to model a 12" NPS standard B16 Slip-on flange? Thanks
  15. bluedieselblack

    Calculation of required flange thickness (App. 2)

    kll777: If you are making a repair/replacing a portion of an existing vessel you can replace "like for like". The new rigidity calculations will produce a thicker flange than an original CODE, before 2004 A06. Design using the original code.

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