I've been working on the piping of our fuel oil purifiers and after scratching some paint off the pipes I found that they were galvanized. I've heard that galvanized pipe is bad to use for diesel. One theory I've heard is that the diesel dissolves the zinc and then deposits it in injectors etc. It sounds plausible but most people I ask have never heard of it. My thoughts are that it probably isn't the best choice of pipe but is not a big enough problem to consider swapping out all the piping. Does anyone know the truth? I'd like to hear what other professionals think.
I didn't find the right solution from the internet.
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