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Does anyone know if there exists a regulator which could be used to
ventilate a non-breathing diver?

It would seem that incorporating a ventilation feature into a second
stage would require relatively few changes; just a mechanism to lock
out the exhaust valve during purge, and pressure-limited purge.  I
could see this being built as a switch in the front cover (with a
safety, of course).

With many of us carrying O2 on dives, it would seem rather useful to
have such a regulator on the O2 stage bottle; especially as the switch
to O2 is not so urgent as to preclude double checking the purge
switch.

Does anyone make such a regulator?  Would there be interest?

-frank
-- 
fhd@pa*.co*  | If you are skating on thin ice, you might as well dance.
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