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Re: [PSUBS-MAILIST] Request identification of pressure air tanks.
Thank you Warren and Jay.
Any chance to identfiy the maker with this figures ?
regards Carsten
jbarlow@bjservices.ca schrieb:
>
> minimum temp for use at 4000 psi is 4 degrees Fahrenheit
>
> It is working pressure not test. The Test pressure, and safety factor (and
> thus destruction pressure) depends on what they were manufactured for and
> thus what section of the code they fall under. Also intended service would
> affect the corrosion allowance and thus have a great impact on the safety
> factor. 4000 would be very conservative though.
>
> Be careful what NPT fitting you get. Most are only 160 psi. You can get
> 5000, 7500, & 10,000 psi ones though.
>
> Jay.
>
>
> Warren Greenway
> <opensourcesub@yahoo.com> To: personal_submersibles@psubs.org
> Sent by: cc:
> owner-personal_submersible Subject: Re: [PSUBS-MAILIST] Request identification of pressure air tanks.
> s@psubs.org
>
>
> 24/10/2003 09:20 AM
> Please respond to
> personal_submersibles
>
>
>
> I wouldn't worry about them being foreign tanks as
> long as they are from the US or UK. The first set of
> markings tells the maximum pressure, including a small
> safety margin, at a given temperature. MOWT isn't on
> the tanks I've seen. The other markings are
> manufacturer numbers for tracking the tank. They
> include date and sequential number. What size is the
> thread? They usually have a 1/2" or 3/4" NPT on USA
> tanks of that size for drainage. An NPT plug or valve
> generally seals the hole. You should be able to buy
> any
> pipe/valve/plugs/adapters you might need from
> www.mcmaster.com
>
> Warren.
>
> --- Carsten Standfuss <MerlinSub@t-online.de> wrote:
> > Hi submadmans - I have a request.
> >
> > I can purchase two douzend units of second hand
> > pressure air or gas
> > storage tanks from a scrap place - and they look
> > like new. Unfortunatly
> > the are from foreign country - probably England or
> > US.
> >
> > They have the size of our 50 Liter tanks and labeled
> > as :
> >
> > MAW 4000 PSI APP 220 F/3 AT 200°
> > MOWT 4° AT 4000 PSI
> > MAN FR N ° 4842/2/28/98
> > build 1998
> >
> > The have one valve on the top and a tread hole on
> > the bottom.
> >
> > I realize that 4000 PSI is about 275 atmosphere
> > (bar) but is this the
> > work, test or destroy pressure ? What means all the
> > other marks ?
> > The tread hole to drainage (?) the bottles is very
> > unusual here - is
> > there a standard plug available ? Any help welcome.
> >
> > We have the first snow of the year today here and I
> > make a quick picture
> > of my sub. It should be at the Moki files.
> > http://www.prismnet.com/~moki/subfiles.html
> >
> > Best regards Carsten
> >
>
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