Paul

If there is a one way valve in his system/whip, the back flow will not occur.
Alternatively, you can make up an adapter with a one way valve and attach to
your cylinder and fill via this.

David Shimell
shimell@se*.co* <mailto:shimell@se*.co*> 
DDI: 01932 814096 * Mobile: 07770 282 202 * Fax: 01932 814343
Project Manager, IBM UK Web Server Group, Sequent Computer Systems Ltd,
Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK
registered in England and Wales under company number: 1999363, registered
office as above

-----Original Message-----
From:	Scott [SMTP:scottk@hc*.co*]
Sent:	Wednesday, October 04, 2000 6:37 PM
To:	Paul Braunbehrens; techdiver@aquanaut.com; RDecker388@ao*.co*;
Mcinnis, Don
Subject:	Re: clarification  was:  An the beat goes on and on

You have to make him understand that you have mixed gas in the cylinder.

If he cant keep a backflow from happening, buy your fills elsewhere.

I dump 1100 psi of He in, and continuous blend 39% in on top to 3100 psi,
and I get instant
25/ thirty something. And I dive it immediately.

Scott

----- Original Message -----
From: Paul Braunbehrens <Bakalite@ba*.co*>
To: Scott <scottk@hc*.co*>; Mcinnis, Don <Don.Mcinnis@in*.co*>;
<RDecker388@ao*.co*>; <techdiver@aquanaut.com>
Sent: Wednesday, October 04, 2000 9:59 AM
Subject: Re: clarification was: An the beat goes on and on


> No kidding, from what I heard it's pretty pricey.  Of course my life
> is worth more, but still, it's a bit annoying.
>
> On this subject I wanted to ask a question, maybe someone here can
> answer it.  Let's say that (to make it simple) you are diving a mix
> with 40 % He and 25% O2.  After your dive, you come up with 1500 PSi.
> Now you think, ok, I'll get a 25 % nitrox fill to make it 20% He and
> 25% O2 .  What happens when they hook you up when the compressor
> reads 700 psi and they've got two other tanks hooked up?  Doesn't the
> gas flow all over the place?  Do you still end up with your He
> content, or not?  And how do you check this, if the O2 % is the same,
> you really have no way of knowing.
>
> So, do you have to make sure that the compressor reads a higher PSI
> than what is in your tank when they hook you up, to insure that flow
> is only in one direction?
>
> Thanks.
>
> Scott wrote:
> ~
> >And, now you can look forward to getting hosed for fills!
> >
> >What a deal.
> >
> >Scott
> >
> >----- Original Message -----
> >From: Paul Braunbehrens <Bakalite@ba*.co*>
> >To: Mcinnis, Don <Don.Mcinnis@in*.co*>; <RDecker388@ao*.co*>;
> ><scottk@hc*.co*>; <techdiver@aquanaut.com>
> >Sent: Wednesday, October 04, 2000 8:41 AM
> >Subject: RE: clarification was: An the beat goes on and on
> >
> >
> >>  No kidding!  I'm doing it right now, adv. nitrox, stage deco and
> >>  trimix just because I want to use He.  It's actually ironic that you
> >>  have to do a deco class to use trimix.  It seems to me they are
> >>  separate subjects.  You won't get a fill without it though.
>
> --
> Paul Braunbehrens mailto:Bakalite@ba*.co*
> http://www.daw-mac.com Mailing list for digital audio on the mac

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