Re: RE: [PipingDesign] Re: Flattening limits for pipes

From: <msbest@omantel.net.om>
Date: Sun Jul 03 2005 - 00:51:00 EDT

Dear Tanmoy,

I appreciate your positive way fo looking at things . By now I have all the information I wanted but didnot get much productive input from the group. I thought some people to give some practical response, which didnot happen.

thanks a lot

> Alvein
>
> May be we are exaggerating a simple question posted by one of our
> members. I do not think somebody is going to design the whole piping
> system for cryogenics with our replies. Everybody understands that
> cryogenics are different than hot piping in all respects materials,
> insulations, supports, stress analysis, pipe routing etc. what we are
> trying to do is just providing information's in bits and pieces.
>
> Regards
>
> Tanmoy Saha
>
>
> -----Original Message-----
> From: PipingDesign@yahoogroups.com [PipingDesign@yahoogroups.com]
> On Behalf Of alvinem1990
> Sent: Thursday, June 30, 2005 8:43 PM
> To: PipingDesign@yahoogroups.com
> Subject: [PipingDesign] Re: Flattening limits for pipes
>
> Somehow this thread is bothering me and allow me to limit my reply
> to the subject on cryogenics.
>
> 1. We need experts. Cryogenics, especially combustible medium,
> such
> as ethylene, oxygen, hydrogen, etc, needs non-spark materials. Not
> all SS304s are suitable for this. What about aluminum?
> Polyurethane
> may not be right as well, have we looked in cellular glass (medium
> being combustible)? Are flanged connections permissible? This is
> the
> job of the experts.
> This information, as Tanmoy wrote and I agree with him on this,
> can
> be more available to companies dealing with cryogenics as part of
> their standard procedure. Even with the vast availability of
> information in the internet, I find it difficult to get the right
> info.
> Just the way it is, our industry may be going down the tube (pun
> intended) not due to lack of experts, but by companies trying to
> save money by giving the burden to newbies without proper
> guidance.
> (God, Allah, Yahweh, as the case maybe, save us.)
>
> 2. Is it the moderators job to police what we write in this
> discussion group? Or are we responsible for the info that we give?
> And Pete, you're right about some of the type of questions in this
> forum? But you see, they have nowhere to go. Bottomline: Who
> should
> be responsible, the giver or the receiver? When ever infomation
> are
> handed in or out, review them.
>
> Regards,
>
>
>
> --- In PipingDesign@yahoogroups.com, "Saha, Tanmoy" <TSaha@m...>
> wrote:
> > Everybody may not be expert on all fields. The person may have
> used only
> > high temperature and curious about cryogenics which is
> completely
> new to
> > him. We learn as we work. They may be going to bid for a new
> project and
> > have not received all the necessary documents. But I agree every
> > information mostly is available in the internet. But the problem
> is in
> > countries like India and others every person do not have access to
> > internet only mail connection is given, some do not have that
> also. So
> > it is difficult for him to get information's from net. We have to
> > understand that situation.
> >
> > But much information is available in-house. People should ask there
> > seniors refer books and standards available to them before asking
> > questions to others. Answering simple basic questions sometimes
> annoys
> > people. I am sure any company working on certain fields will
> keep
> some
> > books at least on that field. We should increase our habit of
> referring
> > books.
> >
> > Tanmoy
> >
> >
> > -----Original Message-----
> > From: PipingDesign@yahoogroups.com
> [PipingDesign@yahoogroups.com]
> > On Behalf Of msbest@o...
> > Sent: Thursday, June 30, 2005 9:49 AM
> > To: PipingDesign@yahoogroups.com
> > Subject: Re: [PipingDesign] Flattening limits for pipes
> >
> > Everbody need not be a expert of all things and mainly
> cryogenics . I
> > feel that thickness of insulation is more critical than the
> material of
> > construction . For MOC you can refer to any handbook for the
> temp
> range
> > . But ins thick that too for cryogenics is not common .
> >
> > ajit
> >
> > ----- Original Message -----
> > From: Pete Burns <peteburn@o...>
> > Date: Wednesday, June 29, 2005 8:42 pm
> > Subject: Re: [PipingDesign] Flattening limits for pipes
> >
> > > I think the group is moderated just fine. I am just amazed at
> the
> > > types
> > > of questions. It makes me wonder how some of these people get
> > > hired in
> > > the first place.(I guess they could be put in a position they
> > > shouldn't
> > > have) Materials of construction I think can be a very tricky
> > > subject
> > > and that is good question BUT thickness of insulation ! Also I
> > > have a
> > > problem with someone who asks a whole lot of questions. If I
> was
> a
> > > moderator I would of answered that one guy with " would you
> like
> > > the
> > > system installed, or shall we just send it in a kit form ? I
> do
> > > enjoy
> > > Chistopher answers
> > > Pete
> > > Paul Bowers wrote:
> > >
> > > >
> > > > Do you and others think that the group should be more
> heavily
> > > moderated?>
> > > > Paul
> > > >
> > > >
> > > > Pete Burns wrote:
> > > >
> > > > > I can't wait to see Christopher Wrights response to this.
> > > > > I know some lists have a FAQ and "before you post"
> suggestions
> > > which> > when I go to a new list I try and go through
> thoroughly
> > > before I make a
> > > > > first post. I wonder if it would help this group ?
> > > >
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Received on Sun Jul 03 00:51:00 2005

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