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  1. #1
    Join Date
    Jan 2010
    Location
    Madison, WI
    Posts
    9

    Looking for Modulating control valves

    Sorry to have to throw up a want add, but I'm getting desperate. I'm installing an irrigation system for some garden beds and need some control valves. Specifically I need a modulating 3way mixing valve 1/2" - 1" dia (preferably used) to maintain a setpoint psi as zones turn on and off. 1-5vdc, 2-10vdc or 4-20ma control signal would work. I'm working on a budget so I am trying to avoid buying new. Also looking for some simple 1/2" solenoid valves to control the zones.

    If anyone has some old stock sitting around please send me an email.

    Thanks,
    Matt

  2. #2
    Join Date
    Dec 2006
    Location
    What? Who? Where?
    Posts
    1,733
    eBay is your friend, search for Belimo, Griswold, Siemens, JCI, or Bray valves.

    kontrol out
    "Open is as open does." - Forrest Gump
    "Can't we all just get a Lon?" - Garry Jack
    "BACnet: integration or interrogation?" - The Janitor
    "Open protocols? You can't handle open protocols!" - Nathan R. Jessup
    “What’s that? Aaa… open protocols? Don’t talk about…. open protocols? Are you kidding me? Open protocols? I just hope we can hardwire an interface!” - Jim Mora http://www.youtube.com/watch?v=U7fjDS0jKiE

  3. #3
    Join Date
    Mar 2008
    Location
    NW Ohio
    Posts
    949
    You've got to be kidding.

  4. #4
    Join Date
    Jan 2005
    Location
    steeler nation
    Posts
    2,131
    i have some used wire you can have.
    they are only 6-10" long, but maybe you can find some used wire nuts.
    IV IV IX

    use your head for something other than a hat rack.......Gerry

  5. #5
    Join Date
    Jan 2010
    Location
    Madison, WI
    Posts
    9
    Thanks Kontrolfreak, I tried ebay but didn't find much for modulating but will look again. - Ninax, I am totally serious. - And finally viceman... What a perfectly insipid comment. I'm sure Nietzsche would be proud to have such an adrenalizing wordsmith debase his work.

  6. #6
    Join Date
    Mar 2005
    Location
    Pacific Time Zone
    Posts
    4,228
    I've gotta ask - why are you going so deluxe for garden beds?
    "How it can be considered "Open" is beyond me. Calling it "voyeur-ed" would be more accurate." pka LeroyMac, SkyIsBlue, fka Freddy-B, Mongo, IndyBlue
    BIG Government = More Dependents
    "Any 'standard' would be great if it didn't get bastardised by corporate self interest." MatrixTransform
    http://threedevilskennel.com/ - not my website.
    Versatile Hunting Dog Federation - www.vhdf.org/


  7. #7
    Join Date
    Jan 2010
    Location
    Madison, WI
    Posts
    9
    Pretty simple really - My family eats a lot of produce and up until now my wife has handled most of the garden maintenance. However she is pregnant and due in July and I am anticipating that she will be less able/interested in maintaining things. I've already got the hvac, lighting, interior plumbing and garage security on a home made bas that I can access locally or by web so I thought it would make sense to get the garden irrigation hooked in.

    Short answer = less work for me.

    I spent years designing chiller systems for hospitals and labs and that may be where this bypass pressure control comes from and yes it is probably over-engineering but that's half the fun.

  8. #8
    Join Date
    Mar 2005
    Location
    Pacific Time Zone
    Posts
    4,228
    Might be easier to find used pneumatic valves.

    Good Luck on your search.
    "How it can be considered "Open" is beyond me. Calling it "voyeur-ed" would be more accurate." pka LeroyMac, SkyIsBlue, fka Freddy-B, Mongo, IndyBlue
    BIG Government = More Dependents
    "Any 'standard' would be great if it didn't get bastardised by corporate self interest." MatrixTransform
    http://threedevilskennel.com/ - not my website.
    Versatile Hunting Dog Federation - www.vhdf.org/


  9. #9
    Join Date
    Jan 2010
    Location
    Madison, WI
    Posts
    9
    Ya they do seem to be more readily available.

  10. #10
    Join Date
    Jul 2001
    Location
    Canada
    Posts
    1,827
    Take a look at these , DIRT cheap

    http://www.temcocontrols.com/index.php?CategoryID=8

  11. #11
    Join Date
    May 2002
    Location
    Baton Rouge, Louisiana
    Posts
    3,961
    Quote Originally Posted by Sutton1214 View Post
    I spent years designing chiller systems for hospitals and labs and that may be where this bypass pressure control comes from and yes it is probably over-engineering but that's half the fun.
    Actually have nothing to offer in your search but must say when I read your first post the first thing that came to mind is this guy must be an engineer LOL
    Quote Originally Posted by MatrixTransform View Post
    very soon it is you that will be pwned

  12. #12
    Join Date
    Jan 2010
    Location
    Madison, WI
    Posts
    9
    Thanks Control Man. Great resource.

  13. #13
    Join Date
    Jul 2001
    Location
    Canada
    Posts
    1,827
    No problem , thanks for posting a THANKS , many on here never follow up when info is posted.

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