[PSUBS-MAILIST] Aluminium O2 Cylinders

[Alec Smyth via Personal_Submersibles]

I'm not an expert on this topic, but I do note all the medical O2 tanks I
see are aluminum, and the body of my medical O2 regulators are solid AL as
well, so maybe this is a non-issue.

Best,

Alec


On Tue, Aug 26, 2014 at 11:07 AM, James Frankland via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:

> Hi All,
>
> Ive got a 10 litre aluminium scuba tank fitted outside my sub that carries
> 100% O2.  The system has a scuba regulator 1st stage that drops the
> pressure to ambient.  There is also an overpressure relief valve set to 14
> bar.  The entire system is new and has been O2 cleaned.
>
> I was led to believe by the shop I got it from that the aluminium cylinder
> was fine for 100% O2 service.
>
> However, doing a bit more research, im now not convinced the alu cylinder
> is safe.  There seems to be a lot of conflicting evidence, depending on
> what you read.
>
> Does anyone have any thoughts, advice before I go and change the tank for
> a 10L steel O2 clean one?
>
> Many thanks
> James
>
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