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Unread 11/05/2012, 01:10 PM   #32
110galreef
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Join Date: Jan 2006
Location: Toledo OH
Posts: 2,466
Quote:
Originally Posted by karimwassef View Post
What would be great is if I can find an actuated butterfly valve to minimize the ramp time. That may be a separate DIY project using a standard valve with an external (dry) solenoid actuator. I expect the force required to make that work would be quite large.

The commercial ones are so expensive, I might as well buy a Tunze powerhead

http://viewer.zmags.com/publication/...#/d4e3ccef/204

http://www.usplastic.com/catalog/def...arentcatid=870

maybe something here will help? I am not fully aware of what you need for this setup but hope it helps?

I use this on my pool and maybe takes 10 secs to fully open/close? ~ $150 for actuator
http://www.pentairpool.com/pool-owne...tuator-186.htm

and use on a valve like this ~ $35 for valve
http://www.pentairpool.com/pool-owne...d-3-way-39.htm

click on specs for all the valve, probably just need a 2 way.

Not a butterfly, but ball valves?


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