Re: [Killietalk] Flow thru systems

[listhub at libros_andante.mn.org]

Barry,

On 14-Jan-04 Barry Cooper wrote:
> So far I am very happy and impressed with how this is working, with five 
> racks so far fully hooked up. The fish already seem livelier to me. I would 
> possibly do one thing differently if I were doing it again, and that is to 
> use the low pressure solenoid valves sold by Rainbird. The ones I have 
> require 15 psi to operate. They sell valves for drip irrigation systems 
> that will operate at 3.5 psi. That would mean I could use a submersible 
> pump to pressurize the system. The shallow well pump produces 30-50 psi. I 
> stabilize that by having a 30 psi pressure regulator inline. I use a valve 
> to reduce flow to the fry boxes so that I don't blow them out of the water, 
> literally.
>
Do you or anyone else reading this know of a solenoid that will change the flow
of a T ball valve??

The idea being the pump in the sump is pushing flow through the fry containers. 
Once a day the T ball valve would pumped to a drain rather then the shoe
boxes and then the standard solenoid from a reservoir fills the sump.  So many
of us use sumps made from odd size Rubbermaid or Horse Water trough type
things.  These usually have lips or are rounded such that a drilled outflow is
difficult even with a bulkhead fitting.

All comments welcome.
john
 
------------------------------------o------
John N. Alegre                   o
Andante Systems               o
eCommerce Consulting       o
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