[PSUBS-MAILIST] Aluminium O2 Cylinders

[James Frankland via Personal_Submersibles]

ok, thanks guys.


On 26 August 2014 22:09, Alec Smyth via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> 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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>
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