Re: [Killietalk] Drip rate on flow through systems?

[Barry Cooper <bjc3 at centurytel_net>]

At 10:01 AM 12/25/2003 -0500, Lee wrote:
(Snip)


I will resolve that by building two separate supply systems, but that is 
still pending. I
> I will have not lost any fry in this system.

Lee, consider using sprinkler control valves to control flow to stations. 
The one thing I would do differently (there always seems to be one thing 
that I would do differently) is to use the low pressure valves that 
Rainbird sells for drip systems. Those will open at 3.5 psi and thus the 
system can operate at lower pressure. The ones I bought require 15 psi to 
open. The low pressure type would have saved me having to use a shallow 
well pump to distribute the water. You can find the 3.5 psi valves on 
Rainbird's site under Drip Irrigation. I was initially misinformed that all 
of their valves require 15 psi to open. Not true!

Barry

_____________________________________________________________
Barry J. Cooper, Prof. Emeritus, Dept. Biomedical Sciences, Cornell University
Professor, College of Veterinary Medicine, Oregon State University
Home address: 27505 Riggs Hill Rd., Sweet Home, OR 97386 

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