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  1. 13-04-2009, 10:42 PM #1
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    napa
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    Modulating valve



    I am in search of a 2way modulating valve for chilled glycol coils. Not finding many choices. does anyone know of manufacturers ?


  2. 13-04-2009, 10:51 PM #2
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    Re: Modulating valve

    Well here's the first one I Googled...

    http://dticorp.com/catalog/honeywell...es-p-2239.html

    Second...

    http://gothermal.thomasnet.com/advan...ves?&forward=1
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  3. 13-04-2009, 11:18 PM #3
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    Re: Modulating valve

    Thanks for the reply. I am looking for something more substantial. I am working with coils in the 10 to 25 ton range and I am looking for valve sizes of 1 1/2" on up.
  4. 13-04-2009, 11:44 PM #4
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    Re: Modulating valve

    OK, understood, I'll see what we can find.
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  5. 14-04-2009, 10:06 AM #5
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    Re: Modulating valve

    You could try electrocontrols

    http://www.electrocontrols.co.uk/datasheets/V04.pdf

    good luck
    Quidvis Recte Factum Quamvis Humile Praeclarum.

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  6. 21-04-2009, 11:25 PM #6
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    Re: Modulating valve

    Honeywell V5011 series valves with a ML7421 series actuator will give you 0-10 VDC, 2-10 VDC or 4-20 ma control. A simple, yet highly accurate controller would be a Honeywell T775 controller.
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