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While I think it unwise to dive without a FFM without umbilical, the Aga
mask is made to work with quick connects. The German Navy uses it
together with Draeger metal to metal quick connects. These do not have
checkvalves, so to change, you have to close the bottles. There are
others, like swagelok's, Draegers with check valves....

Remember when switching by quick connects at depth, you get an amount of
water into the system, which may lead to snd stage freezing.

Prem schrieb:
> Now with the introduction out of the way, on to my question.  I recently
> purchased an AGA Interspiro FFM.  I like it, but I am somewhat concerned
> using it at depth because if I would ever have to use my pony, I would have
> to doff the mask.  I therefore was thinking about putting some kind of
> quick connect between the mask and the first stage, so I could change to my
> pony without taking off my mask.  I have found some medical quick connects
> meant for use with oxygen/medical air regulators (between the first and
> second stage) and think they would work, but I don't know there full
> working envelope.  Has anyone tried this before?  Would the standard low
> pressure quick connect work, (I don't think so but as I said I am a
> newbie)?  Is this just a bad Idea?  Any suggestions would be appreciated.
> 
>                                                                 prem
> 
>
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