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  • #1

    What does this part do?

    Hi,

    I bought a couple of used 2BBL unitanks and they came with these, what I assume are valves.

    Click image for larger version Name: IMG_20170228_210610.jpg Views: 1 Size: 90.6 KB ID: 194903Click image for larger version Name: IMG_20170228_210601.jpg Views: 1 Size: 89.7 KB ID: 194904

    Does anyone know what they are designed to do? They are attached via tubing to an opening in the lid so I assume that they are for releasing or regulating pressure but I am not sure how to hook them up. Any tips would be appreciated.

    Thanks,
    Chris
    Tags: None
  • #2
    They are solenoid valves.

    Don't use them if you don't need to. Wouldn't use them if they came with my system.....
    Phillip Kelm--Palau Brewing Company Manager--

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    • #3
      i recognize the chinese words for 24Volt solenoid.

      this is an air/ water valve. one of the ports should be marked in and the other out. if you put 24v dc on the wires it will click open and let air/ chiled glycol through. If you reverse the inlet and outlet it may leak.

      you probably don't want to use it. If you have a glycol system and temp controller, ask your local plumbing supply for an "asco red hat" solenoid. they come in many pipe sizes and voltages.

      Comment

      • #4
        That looks like junk. I sure wouldn't use those push-to-connect fittings for gylcol. Was it for an air-operated valve?
        Linus Hall
        Yazoo Brewing
        Nashville, TN
        www.yazoobrew.com

        Comment

        • #5
          Originally posted by lhall View Post
          That looks like junk. I sure wouldn't use those push-to-connect fittings for gylcol. Was it for an air-operated valve?
          Yes, I think the valve is for controlling air pressure from the tank. Maybe to allow for co2 capture for carbonating. The tanks came with pressure gauges as well. I Wil check to see if there is a way to wire them up.

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          • #6
            I don't know what the PO used those solenoid valves for, but your fermenters absolutely must have Pressure/Vacuum Relief Valves (PVRVs)! I wouldn't trust to anything electrically controlled to regulate fermenter pressure. An exploding fermenter could kill or injure anyone in the area--even at 30 psi, there's a lot of gas in there to expand explosively.

            As solenoid valves, I doubt I'd use them. How will you rebuild one when it needs it? Asco Red-Hats are excellent electrically controlled valves, and are easily rebuildable--in place if you're careful how you mount them.
            Timm Turrentine

            Brewerywright,
            Terminal Gravity Brewing,
            Enterprise. Oregon.

            Comment

            • #7
              I am moving closer to the solution now. These tanks also came with what seems to be a mechanical pressure relief gauge.

              Click image for larger version Name: IMG_20170322_220730.jpg Views: 1 Size: 89.4 KB ID: 191394

              I need to wire this gauge to the valve and power the gauge. Does anyone use one of these gauges or know where I can find a wiring diagram?

              Comment

              • #8
                Really?

                Please don't tell me that someone thought that the best way to relieve pressure from a fermenting tank was to install an electric solenoid valve coupled to an indicating pressure switch. That won't work well if that's what's represented. What happens when the lights go out? Explode a tank? Use a spunding valve. Get a Bupospohl from CZ if you can, those are great. This looks like accident just waiting to happen. Can't imagine what these would be used for except to relieve a tank of pressure on an on-off basis with an electrical interface. Think krauesening clog in a tiny solenoid orifice. Am I missing something?
                Phillip Kelm--Palau Brewing Company Manager--

                Comment

                • #9
                  It looks to me like it was setup as a tank manager for carbonation? My guess is the last owner had an engineering degree... I strangely find myself agreeing with phillip, A barby-khunner is a better option and make sure the tanks have PRV's.
                  Brewmaster, Minocqua Brewing Company
                  tbriggs@minocquabrewingcompany.com
                  "Your results may vary"

                  Comment

                  • #10
                    I have seen a Chinese system shipped with a set up like that. Toss that stuff get a blow off bucket, hose and pvrv.
                    Joel Halbleib
                    Partner / Zymurgist
                    Hive and Barrel Meadery
                    6302 Old La Grange Rd
                    Crestwood, KY
                    www.hiveandbarrel.com

                    Comment

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