304 SS Dome

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  • elvis
    Senior Member
    • Nov 2012
    • 591

    304 SS Dome

    I am looking for a supplier for a tank head type dome made of 304 stainless that has reasonable prices for a one off order. I want to build a prototype of something and if it works well I'll be order more. I'd like to have an ID of 16" and a dome height of around 4". I have been through most of the products at toledo metal spinning and haven't found anything off the shelf that will work. They could probably make one for me but that could add up quick. Thanks.
    MillerMatic 251
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    Cutmaster 42
    Victor Journeyman OA

    A rockcrawler, er money pit, in progress...
  • fabricator
    Senior Member
    • Dec 2007
    • 811

    #2
    Pipe caps. Although at that size 16 inch is the O.D.
    2- XMT's 350 cc/cv
    1- Blue star 185
    1- BOBCAT 250
    1- TRAILBLAZER 302
    1- MILLER DVI
    2- PASSPORT PLUS
    1- DYNASTY 200 DX
    1- DYNASTY 280 DX
    1- MAXSTAR 150 STL
    1- HF-251 BOX
    1- S-74D
    1- S-75DXA
    2- 12-RC SUITCASES
    1- 8-VS SUITCASE
    2- 30 A SPOOLGUNS

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    • elvis
      Senior Member
      • Nov 2012
      • 591

      #3
      I am looking to build something like this: Click image for larger version

Name:	Brewhemoth tri-clover.png
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ID:	516312
      MillerMatic 251
      Maxstar 150 STH
      Cutmaster 42
      Victor Journeyman OA

      A rockcrawler, er money pit, in progress...

      Comment

      • MMW
        Senior Member
        • Sep 2005
        • 2694

        #4
        Tank heads have always been expensive especially in low quantities.
        MM250
        Trailblazer 250g
        22a feeder
        Lincoln ac/dc 225
        Victor O/A
        MM200 black face
        Whitney 30 ton hydraulic punch
        Lown 1/8x 36" power roller
        Arco roto-phase model M
        Vectrax 7x12 band saw
        Miller spectrum 875
        30a spoolgun w/wc-24
        Syncrowave 250
        RCCS-14

        Comment

        • JMK WELDING
          Member
          • May 2012
          • 63

          #5
          Didn't say what your thickness is. Why don't you go to this website I saw on Miller videos Covell.Biz maybe this will help you.

          Comment

          • elvis
            Senior Member
            • Nov 2012
            • 591

            #6
            Thickness is a good question. I am back and forth between 16 and 18 gauge. So pretty thin.
            MillerMatic 251
            Maxstar 150 STH
            Cutmaster 42
            Victor Journeyman OA

            A rockcrawler, er money pit, in progress...

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            • Burnt hands
              Senior Member
              • Dec 2007
              • 579

              #7
              elvis,

              Here is a sculpture I made which measures 18" in diameter.
              Used a wok for the form which cost me $19 at my local Asian grocery store.
              You mention that you can use 16 to 18 gauge material.

              Granted it's not stainless which is what you need but maybe
              you can mock up a prototype cheaper with one of these.

              They come in sizes from 12" to 30".

              I may fill this one with concrete and use it as a form to hammer out a sheet of .040" stainless to make a stainless wok.

              Looked at ASME pressure vessel ends in stainless to make a rust proof wok but gave up when I saw the prices.

              Good luck with your project.
              Attached Files
              Miller Dynasty 350, Dynasty 210 DX, Hypertherm 1000, Thermal Arc GTSW400, Airco Heliwelder II, oxy-fuel setup, metal cutting bandsaw, air compressor, drill press, large first aid kit, etc.

              Call me the "Clouseau" of welding !

              Comment

              • elvis
                Senior Member
                • Nov 2012
                • 591

                #8
                After pricing stuff out I might just buy a conical fermenter. I can buy it for $650 or build it for a little less. It sounds like a fun project but too expensive when you add my time into the mix. Maybe another time.
                MillerMatic 251
                Maxstar 150 STH
                Cutmaster 42
                Victor Journeyman OA

                A rockcrawler, er money pit, in progress...

                Comment

                • Nathan128
                  Senior Member
                  • Dec 2012
                  • 114

                  #9
                  304 SS Dome

                  You could just make an orange peel cap out of piping ?

                  Comment

                  • elvis
                    Senior Member
                    • Nov 2012
                    • 591

                    #10
                    Nathan-

                    Normally I would say yes but I don't think I could get 16ga 304 pipe in a 16" or 18" diameter

                    Burnt-

                    I could probably make a mold and just use a 20ton press and make my own domes. Interesting idea.
                    Last edited by elvis; 01-29-2014, 12:08 PM.
                    MillerMatic 251
                    Maxstar 150 STH
                    Cutmaster 42
                    Victor Journeyman OA

                    A rockcrawler, er money pit, in progress...

                    Comment

                    • FernTJ
                      Member
                      • Dec 2009
                      • 60

                      #11
                      A fermenter doesn't need to have a domed top. You are going to vent out the pressure anyway. For example this 60 gallon fermenter has a flat top.

                      A 2 BBL / 240 L stainelss steel, jacketed, mutli purpose tank built by Speidel of Germany that works well for beer, wine, spirits, cider, etc. .

                      Comment

                      • elvis
                        Senior Member
                        • Nov 2012
                        • 591

                        #12
                        With a dome top it is easier to apply low pressure co2 to transfer without pumps.
                        MillerMatic 251
                        Maxstar 150 STH
                        Cutmaster 42
                        Victor Journeyman OA

                        A rockcrawler, er money pit, in progress...

                        Comment

                        • Burnt hands
                          Senior Member
                          • Dec 2007
                          • 579

                          #13
                          elvis,

                          How about this?

                          It measures 16" in diameter but it is very thin 300 series stainless.

                          Another drawback is it's flat bottom.

                          It was hiding in my kitchen drawer.

                          Use it for big batches of pancake batter.
                          Attached Files
                          Miller Dynasty 350, Dynasty 210 DX, Hypertherm 1000, Thermal Arc GTSW400, Airco Heliwelder II, oxy-fuel setup, metal cutting bandsaw, air compressor, drill press, large first aid kit, etc.

                          Call me the "Clouseau" of welding !

                          Comment

                          • elvis
                            Senior Member
                            • Nov 2012
                            • 591

                            #14
                            Is that a dog bowl? Haha. How wide is the flat part? I plan to a cut a 6" hole at the top to weld in a sanitary tri-clover ferrule.
                            MillerMatic 251
                            Maxstar 150 STH
                            Cutmaster 42
                            Victor Journeyman OA

                            A rockcrawler, er money pit, in progress...

                            Comment

                            • H80N
                              Senior Member
                              • Nov 2003
                              • 5763

                              #15
                              Might be an odd aproach.... BUT...

                              How about cutting the bottom out of a beer keg..??

                              Stainless steel... Domed.... Usually a $20 deposit at most distributors...

                              you would have to buy and drink the beer though....
                              .

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