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Rick Fincher' wrote:
> 
> > Two weeks ago off Long Island one of the guys on
> > the boat I was on had a new Scuba Pro blow at
> > about 145, sucked his manifolded 120's down in
> > what he says was less than a minute!
> > I'm not sure what model it was, but I understand
> > he has had several dives on it and liked it quite
> > well until the other day.
> 
> > >
> > > Has anyone heard anything about ScubaPro regulators blowing up at around
> > > 50ft...
> 
> There has been a recall of some Scubapro G-500's. The little plastic knob on
the
> vane is defective in SOME, not all, G-500's. The defect causes it to pop out
of
> the reg allowing a free flow.
> 
> If you have a G-500 or know someone who does, tell them to check with their
> dealer and they can tell by the serial number if it is one of the bad lot.
> 
> As far as sucking down twin manifolded 120's in a minute:
> 
> First off, you can't open the valve on a single 120 and empty it that fast,
much
> less twins, unless they are near empty already.
> 
> Second, why didn't he use the isolator valve and limit his gas loss to one
tank?
> When that tank ran out he could have switched to the other reg. That's what
the
> isolation valve is for isn't it?
> 
> Rick

Might have been a non-isolating manifold (a/k/a "suicide bar").

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