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  • Users: saplanti
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  1. saplanti

    Hi Chemical Engineers, what do you say about the following topic?

    It is about the plastics, and the author says the plastics are greener than other materials; I guess you know about the chemistry of plastics better than me as a mechanical engineer. Please respond either here or on his post. Please notice his background and the companies that he had/has served...
  2. saplanti

    AS 1170.2 and ASME STS-1 Wind sensitive structures like chimney

    Dear Contributors, I am looking for contribution to this thread since I could not find contributors under AS/ANZ Code Issues: http://www.eng-tips.com/viewthread.cfm?qid=310179 Thanks in advance and kind regards, Ibrahim Demir
  3. saplanti

    AS 1170.2 and ASME STS-1 Wind sensitive structures like chimney

    Greetings, I am going through a Vendor calculation on the wind sensitive structure like chimney. I can see that the vendor has selected large aspect ratio H/D around 31, and single self standing stack can experience cross wind (vortex shedding) vibration at the second mode of frequency as well...
  4. saplanti

    EN 13480-3 Sect 11. Integral Attachments-CONFUSION

    Greetings, I was wondering if anyone has gone through the calculations given for the integral attachments, I am trying at the moment and I have some sort of difficulty in understanding some of the issues as I tried to note in the attached file. 1. Notation "eord" is given in some pages of the...
  5. saplanti

    SIF an Corrosion Allowance

    Greetings, I have not thought about it before, but one of my fellow engineers asked me after I handed in my spreadsheet for SIF calculation, and my calculation spreadsheet did not include the corrosion allowance either. I have checked ASME B31.3 Table D300 for Flexibility factor and SIF, and...
  6. saplanti

    Request: Materials and Construction Type for LNG Piping

    Dear Experts, I am partially piping and pipe stress engineer, and trying to get into LNG business. I am wondering the type of materials used for LNG piping and the construction types. I understand that stainless steel and aluminium (alloys) are used at low temperatures. But what is the...
  7. saplanti

    Flange Connection DN200-150# with Spiral Wound Gasket-Gasket Seating_3

    Ref: thread378-238892 Dear members, I have found another EPRI paper called "Bolt Preload Stress for ANSI Raised-Face Flanges Using Spiral-Wound Gaskets" that gives some details on the bolt side. I hope it is helpful to the practicing engineers...
  8. saplanti

    Flange Connection DN200-150# with Spiral Wound Gasket-Gasket Seating_2

    Dear Members, Some time ago I launched the following thread; "Flange Connection DN200-150# with Spiral Wound Gasket - Gasket Seating" with the shortcut: http://www.eng-tips.com/viewthread.cfm?qid=204661&page=1 I have found an invaluable paper (Bolt Preload Stress for ANSI Raised-Face...
  9. saplanti

    Analysis of piping connected on to Recip. Compressor & Supports

    Dear All, I would like to get your expert opinion on the analysis and support issues at the following link below: http://www.eng-tips.com/viewthread.cfm?qid=216361&page=1 Kind regards, Ibrahim Demir
  10. saplanti

    Analysis of Piping Connected to Recip. Compressor & Supports

    Dear All, It is not my nature to put a discussion on that I already have pretty good opinion. However, I must say it is an obligation for me now to get your opinion on the issue: We are working on a piping system connected on to a 4-stage reciprocating compressor and the flow is pulsating...
  11. saplanti

    Flange Connection DN200-150# with Spiral Wound Gasket - Gasket Seating

    Dear contributors, I would like to find out what is your opinion on the flange connection with the specific size, ASME B16.5 - DN200-150#, using spiral wound gasket and material pairs A105/A193B7 or A182F5/A193B16. The given flange and bolt material pairs are very common in the industry and...

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