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Sizing solenoids to glycol inlet

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  • Sizing solenoids to glycol inlet

    Hi all,

    I ordered 3/4" solenoids just before my tanks arrived. I didn't even think to check with the manufacturer and it turns out the glycol ports are all 1". I have 4 10bbl fermenters. Does anyone see any problems with reducing the inlets down to 3/4" and sticking with the 3/4" solenoids? I realize the flowrate will not be as good, but I've read that 3/4" is common on tanks larger than 10 bbls. If I do reduce the inlet to 3/4", would it be better to keep the outlet at 1" back to the return header? Or would it be best to return the solenoids and spend the extra money for 1" solenoids and piping?

    Any input is welcome.

    Thanks!

  • #2
    Gpm

    Most likely you would be ok, but I would check with the Tank MFG.
    They should be able to tell details on the jacket design and Engineering should be able to tell you quickly if it would be a problem in your case.
    Warren Turner
    Industrial Engineering Technician
    HVACR-Electrical Systems Specialist
    Moab Brewery
    The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.

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    • #3
      I think 3/4" solenoids would be sufficient for a 10 bbl fermenter. If you are using Red Hats make sure that you have the "zero differential" ones for the pressure required to close. Some of the "5 psi differential" ones we used initially won't close properly.
      Linus Hall
      Yazoo Brewing
      Nashville, TN
      www.yazoobrew.com

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      • #4
        Hi,
        Solenoids normally have a huge flow restriction. If you want the equal flow of a 1" pipe you need a 2" solenoid and to get the equal flow of a 3/4" pipe you will need a 1 1/2" solenoid.
        This is one of the reasons we recomend actuated ball valves instead.

        Cheers!

        Dan Strömberg
        Cooling Market Segment Manager
        Georg Fischer LLC
        Phone: +1 714 368 4196
        Fax: +1 714 368 4197
        Mobile: +1 951 642 2339
        Dan.Stromberg@georgfischer.com

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