RE: [PSUBS-MAILIST] test

[Alex <spm2@nomad.ignorelist.com>]

I replied to the spam message but apparently it didn't go through what
happened? This is a test.

Alex



On 13-Mar-2012 James Frankland wrote:
> Hi All.
> 
> 1.  Does everyone else keep getting spam messages from Scott Waters?
> 
> 2.  I have finalised my HP air system.  Ive probably made a meal out of
> something relativly simple but i havent ever built a HP system like
> this before so have had to figure it all out.
> 
> The system will be designed to route as per K350 design but use swagelok
> fittings and run at higher pressure.  The system is designed to opperate at
> a max pressure of 1000 psi but will run normally at lower.  Most of the
> system will be 1/4 inch pipe, with just the variable tank inlet\vent part
> 1/2 Inch.
> 
> The limitation on the design is the worcester ptfe sealed ball valves which
> have a maximum working pressure of 1000psi (69bar).
> 
> I have 2 last questions.
> 
> 1.  I have decided to use worchester ball valves (466TSE ptfe sealed)
> instead of the diaphragm valves or even needle valves.  Do you think this
> will be ok?
> 
> 2.  Does anyone have any suggestions for the thickness for my 300bar
> manifold.
> 
> I am going to make a 4300psi (300bar) stainless manifold to accept the
> tanks.
> 
> The manifold will have 2 x standard scuba quick release high pressure hose
> fittings.  Like you would use for a BCD or gauge off your 1st stage.  This
> means i can run 2 tanks to the system but be able to get them on and off
> easily and quickly.
> 
> There will be a 300 bar gauge attached to the top of the manifold to
> measure manifold inlet pressure, a manual relief valve off another port and
> then the outlet which will go to a 300bar - 70bar pressure reducing
> regulator with inline gauge to measure system pressure.
> 
> Emile says that the HP port on a normal 1st stage does not give a lot of
> flow, so i am going to just run it and see if its enough.  If not, i can
> pipe the manifold directly to the tanks.
> 
> The idea with this is that 1, the 2 x tanks can come off easily and 2, i
> have adjustable high pressure outlet.
> 
> Sorry, after all that, the question is.  Any suggestions for thickness of
> the manifold to hold at 300 bar?  I think i might go to my local dive shop
> and measure the thickness of their filling station manifolds.  hmm, good
> idea.
> 
> Thanks as always,
> regards
> James

-- 
Mailed on 13-Mar-2012.



************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003.  Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.

If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
	removeme-personal_submersibles@psubs.org

Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.

PSUBS.ORG
PO Box 53
Weare, NH  03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************