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Silicon Bronze Food Safe?

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  • #16
    Originally posted by Dipsomaniac View Post
    Lead is strictly ***** when it comes to food or drink...
    hey buddy, can I know what is the *****? I didn't get it well. I am slow when it becomes in guessing.


    • #17
      We might not ever know what ***** is because it won't clear the list of bad words of the spam filter...Bob
      Bob Wright


      • #18
        Originally posted by usmcruz View Post
        I love them tri-clover fittings. I had them on my home microbrewery system, and cleaning was a snap.
        Laddish (Tri-Clover) fittings used to be the best in the industry, a few years back then they started manufacturing them in Mexico, so I dont know if the quality is still the same or not.
        When the Japanese and Chinese fittings came on the market years back they were really a pain to weld, they did get better in later years, but still didnt compare to the American made Laddish fittings.
        mike sr


        • #19
          Originally posted by werntonb View Post
          hey buddy, can I know what is the *****? I didn't get it well. I am slow when it becomes in guessing.
          I will have to space the word out so that the filter won't nix it...


          I never knew that it was such a bad word...LOL...


          • #20
            Originally posted by Portable Welder View Post
            I pretty sure silicon bronze is a pour choice, The silicon bronze will stick to the copper just fine but not to the stainless.

            20 plus years ago I used my oxy/ acyt. torch to braze some stainless to stainless and the stainless welded okay at first and then it just popped away.

            Silver solder with a 45% silver content is what I use to join the 2 together, There are at least 2 types of flux to use, you want to get high temp flux because the silver melts at a higher temputure.

            I'm not sure if silver solder would be considered food grade or not.
            If the silver solder has lead in it, then it would not be safe.
            Some of the new solder products are lead free.
            We eat from utensils made from silver.
            We eat from stainless utensils.
            We eat from copper pans and bowls.
            Many surgical tools are silver plated stainless.


            • #21
              I would probably try a mechanical connection. How thick is your 8" pipe. Can you get a local machine shop to turn threads on it? If it's too thin you might try rolling a flange on the end so I can be clamped. I looked at mcmaster for some copper sweat-to-thread adapters but they didn't have anything as big as 8". There's nothing that says the column-to-boiler connection needs to be 8". You could reduce that side to something where you can get common fittings. Or course this causes a little turbulence as the vapor comes rushing out the opening. Use a stainless wire mesh screen to equalize this. If you're running plates or packing those will probably work fine if you just have a little empty space right above the boiler connection. If it's a pot still you probably don't care about turbulence since there's no gradual temperature gradient to maintain.

              How'd you go about getting the permit?

              Dynasty200DX w/coolmate1
              MM Vintage
              Lincoln AC225
              Victor O/A, Smith AW1A
              Cutmaster 81
              IR 2475N7.5FP
              Evolution Rage3
              Jancy USA101
              9" South Bend


              • #22
                Originally posted by spotsineyes View Post
                Silver solder.
                A lot of silver solder alloys contain lead and/or cadmium...and neither of those are very good to eat.