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Old 18th April 2008, 14:07   #37 (permalink)
jmurba
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Join Date: May 2006
Location: cannes france
Posts: 858
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Re: O2 addition methods

[quote=seeboth;180028]

I would most likely start with the needle valve block since if i lock it in place it is essentially an orifice. Does any one have experience in making something like this. Ive seen them on rebreather world before. what is the product number for the swagelock needle valve used? and where is the manual inject part from, is it just a clipper valve from mcmaster carr?

quote]

Ive dived a dolphin kissed using a swagelock ss serie as a restrictor.
the valves was fed by a fixed mp regulator and was in the shell so that I could not manipulate it during the dive
It worked fine, I did not had any problem underwater and I usualy dived deeper the de sonic ratio.
but, it was complicated cause I did not have the manual addition valve and the swagelock needle valve on the same block made my rebreather look like a spagetti plate.
in addition after 3 years my needle tended to rust and I had to undo it and clean it more often that in the beginning.
I've changed for an hydrogom valve that is a dream ... verything in the hand, no clogging...happy man I am.
regards
jean mi
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when will I be able to think about something else then spending hours underwater, when will I be normal ?

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