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  1. pipingdesigner

    Flange Classes?

    This article on pipingdesigners.com should also help you out: http://pipingdesigners.com/Training%20-%20section%201d.htm pipingdesigner www.pipingdesigners.com
  2. pipingdesigner

    Piping Codes in Singapore

    lownox, Thanks for the link .... good answer! pipingdesigner www.pipingdesigners.com
  3. pipingdesigner

    Piping Codes in Singapore

    Hi all, This is wht seems like a very basic question, but I'm havin trouble findng a good answer. We are working on a job in Singapore, and our piping material specs are PIP standard, usin ASME B31.3. I hve been asked ... why are we using ASME? :( I found it dfficult to answer othe than...
  4. pipingdesigner

    stainless steel pipe spans

    FG3, I can't link you to span charts at the moment, but briefly: Size 12" Sch 5S Span (M) Pipe/Flg Pipe/flg/water Pipe/flg/lg Pipe/flg/lg/water 15.6 9.0 13.4 8.5 Size 12" Sch 10S Span (M) Pipe/Flg Pipe/flg/water Pipe/flg/lg Pipe/flg/lg/water 14.9...
  5. pipingdesigner

    Use of Pipe Stress Isometrics

    MJC, Note 3 in my post covers the wall thickness issue ... sort of! 3. The "May" noted above relates to the application of good judgement when considering other factors such as metalurgy and the wall thicknesses above schedule 80. The symbol at the end of the post is the pipingdesigners.com...
  6. pipingdesigner

    Use of Pipe Stress Isometrics

    Here is a rule of thumb regarding stress iso's that I picked up along the way ... 1. The 1500 rule (from David Diehl, COADE). a. If the line size (nominal pipe size) times (x) the temperature (degrees F) is below 1500 then the line "may" not need formal stress analysis. Example 3' (x) 400...
  7. pipingdesigner

    ANSI - ISO equivalencies

    Heyner, Try this link, http://pipingdesigners.com/Codes%20&%20Standards%20-%20lists.htm You will find a listing of various international standards and also some cross referencing between them. Hope it helps. pipingdesigner www.pipingdesigners.com
  8. pipingdesigner

    DIN 1615:1984

    Hi everyone, Can anyone tell me if the DIN standard - [COLOR=red]DIN 1615:1984 - Welded circular unalloyed steel tubes not subject to special requirements[/color red] Has been superceeded by an EN standard, and if so what is its new name? It seems like an old enough standard, and the fact...
  9. pipingdesigner

    Looking for 3d cad files for tri-clamp fittings up to 6"

    Try having a look at http://www.swagelok.com They have a wide range of biopharm, food etc fittings available for download (to asme BPE). Might be worth a look. pipingdesigner www.pipingdesigners.com
  10. pipingdesigner

    pipe support

    Mario1815, If you look under the tools section of www.pipingdesigners.com you will find a pipe span chart. This will guide you on the required minimum spacing required for you sleeperway. http://www.pipingdesigners.com/Tools.htm pipingdesigner www.pipingdesigners.com
  11. pipingdesigner

    Flanged joint pipe/valve FF/RF

    Engdrve, This topic had previously been discussed at length. Follow this link: http://eng-tips.com/viewthread.cfm?qid=153573 You should get your answer here. pipingdesigner www.pipingdesigners.com
  12. pipingdesigner

    New to Piping

    Taken From www.pipingdesigners.com Forum Process Plant Piping Books (Reference and Training) For those individuals who are new to the piping profession and want sources to expand their knowledge. There are a lot of books that address the subject of piping. Some books address HVAC and other...
  13. pipingdesigner

    Noise Generation in Piping

    I'm not trying to be funny here, but wouldn't that have more to do with the velocity, viscosity and state of whatever the pipe is carrying? Not really something that I've ever had cause to consider! pipingdesigner www.pipingdesigners.com
  14. pipingdesigner

    guidelines

    There's a pretty good manual here: http://www.pipingdesigners.com/downloads/US%20army%20piping%20manual.pdf pipingdesigner www.pipingdesigners.com
  15. pipingdesigner

    flange downloads

    You can get some 3d flanges here: http://www.pipingdesigners.com/downloads/Autocad.htm pipingdesigner www.pipingdesigners.com
  16. pipingdesigner

    Pressure Class Designations for forged steel Socket Weld Fittings

    JLS, correct! It's very important to use the correct standards, these will guide you as to the required nomenclature. The ASME B16.5 - 1996 Pipe Flanges and Flange Fittings This standard covers pressure-temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of...
  17. pipingdesigner

    Allowable deflection of pipe?

    If you just want it to get allowable pipe spans, look at the TOOLS section, sub-section PIPING of www.pipingdesigners.com for an excel sheet of allowable pipe spans. http://www.pipingdesigners.com/downloads/pipe%20span%20chart.xls pipingdesigner www.pipingdesigners.com
  18. pipingdesigner

    Necessity of "pup" pieces for a fitting to fitting weld.

    It is permissable to weld elbows on a fitting to fitting basis, the problem of minimum length only arises when you actually NEED a pup or spool to suit the design. The bare minimum you can make a pup can be determined through a simple calculation. L = 4xt where.... L = the length of pipe...
  19. pipingdesigner

    Carbon steel fittings material spec question

    Mikeg8, This may seem like a very simplistic answer, but it is something I've done on more than one occasion. I'm a piping designer, not a spec writer, but some times I've been called upon to put together spec's for various projects. I always find the best policy is "don't reinvent the...
  20. pipingdesigner

    SS pipe thickness

    Just as an aside to the current discussion, you may find the following chart useful. It shows all the wall thicknesses for pipe by size and schedule. http://pipingdesigners.com/downloads/pipechart.htm Hope it helps. pipingdesigner www.pipingdesigners.com

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