RE: Re: Difficulties/ Quer

From: <Ashok>
Date: Sat Jul 26 2003 - 02:29:00 EDT


Mr. Naik
I think you are very much new in this field. This forum is mainly for discussion / solutions for difficult problems with the help of Members who are working in this filed. You can find answer of all your queries in some good piping books like Nayyers / Sherwood. Please do not take my answer negatively.

PJB 

	 -----Original Message-----
	 From: benj [SMTP:tinapabagoong@yahoo.com]
	 Sent: Saturday, July 26, 2003 11:37 AM
	 To: <a href="/group/PipingDesign/post?postID=zzPkvBqvXs-381aIl5rUsI6HYtgT2xCWgmL13yBwtuwJMbBuk_jVevKTe8E7CVYFhNnNR2h0QSTvwLtd40lj0MSEnmD37A">PipingDesign@yahoogroups.com</a>
	 Subject: [PipingDesign] Re: Difficulties/ Quer

	 --- In <a href="/group/PipingDesign/post?postID=zzPkvBqvXs-381aIl5rUsI6HYtgT2xCWgmL13yBwtuwJMbBuk_jVevKTe8E7CVYFhNnNR2h0QSTvwLtd40lj0MSEnmD37A">PipingDesign@yahoogroups.com</a>
<mailto:PipingDesign@yahoogroups.com> , "Deepak Naik" <deepaknaik@l... <mailto:deepaknaik@l...> > wrote:

> From
> Deepak Naik
> 167/ A, Segund Waddo,
> Corjuem, Aldona,
> Bardez, Goa 403508

>
> ASME BPV-iii-1-NC (2000 Addenda), ASME BPV-iii-1-NC :how
to decode

         the code ? Are you by chance working on a nuclear piping? that's what Section III is all about. 

	 2. how these codes different from each other? Very very
	 different from the B31 Code. For a starter Mountains of
	 documentation is needed when dealing Section III not to say its by
	 far the most stringent - the guys from the Nuclear Regulatory
	 Commission may even pay u visit.


	 6. - DN 200 schedule 40, What does DN stands for . A symbol for

	 nominal diameter or size measure for piping in conformity with
	 European standard.

	 7. - Tabular Column : The pipe data given refers to which
code?- My guess is B36.10 dimensions/weights of steel pipes.
	 8. - Diff Codes: There are many codes , but how we should
decide
		 which code we should follow?. Through lot of hard work.
		 what are the yardsticks to decide about them ? Its service
and
		 application.
	 Why are there so many codes ? Because there many service and
applications.
	 9. - Should a Piping Engineer Mug up all the codes ? No they
don't have to "mug up" all the codes. What they need is to gain an understanding of the code so that they myy be able to comply with its requirements. which codes r important - the ASME B31, ASME Section IX and API 576 to my knowledge. But in your case, I guess Its Section III and B31.1.

                 what do we understand by the suffixes such as S, W, WPB, OSY, ISNS on page 10 material specs? Check out some of the valve catalogs . Picture is worth a thousand words -with all those cutaway views its easy to understand.

  1. What is SML, ERW, EFW, PF, SW, BW, FF, SCR, WF?. Piping Guide by Sherwood would be a good place to start to gain an understanding of what you have just mentioned or visit PipingDesign.com.
  2. are u suggesting to buy the ASME 13.3 series for this ? I would say no. but obtaining a copy would be a big plus. I don't see how you can be a competent piping practitioner without a copy of B31.3 if youre into process piping. Wait a minute, I thought youre into Section III.
  3. kindly throw light on Swivel Joints, expansion joints, slip jpoints, Same answer as in No. 11. 
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