Re: [APD] The siphon saga continues...need safety shutoff!

[revance at indiana_edu]

I agree, it doesn't solve the air in the tube problem...  I don't see how it is 
any different than any other overflow siphon. Except they made the way it keeps 
the siphon in a power outage WAY more complex than it has to be, but I think 
they did that to make it easier to visualize the way it works. 



Quoting "S. Hieber" <shieber at yahoo_com>:

> Hmmmm.  I don't see how this would solve the
> air-collecting-in-the-siphon-tube problem.  I think that's
> a matter of water velocity--so smaller diameter tubing or
> higher water flow, unless you stick a microvalve on top of
> the siphon and pump out whatever collects there, which is
> an easy way to start a sihpon on this kind of setup -- much
> easier than snaking an airline up one side and trying to
> get it to go to the top of the curve instead of the bottom.
> 
> 
> Scott H.
> --- Laura Burbage <leuhrich at yahoo_com> wrote:
> > Hi again,
> > 
> > I looked around and found a website where someone
> > diagrammed an overflow box and explained how it works.
> >  It's quite a nice site.  The link is:
> > http://www.csd.net/~cgadd/aqua/overflow.htm
> > 
> > The nice thing about an overflow box is that if your
> > power fails, you won't lose the siphon, then get your
> > floor wet when the power comes back on.  
> >
> 
> =====
> S. Hieber
> 
> -  -   -   -   -   -   -   -
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