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  • Users: Soldador
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  1. Soldador

    Furfural heat exchanger tubes

    Hi guys, I have a problem with a dry furfural condenser used in the lube plant to separate certain kind of lubricant. Inside the tubes, a cold mix of furfural (solvent) + hydrocarbon (containing the lubricant to be separated) circulates, while hot furfural circulates in the other side. The main...
  2. Soldador

    Dry Furfural Condenser

    Hi guys, What material should I used for a dry Furfural condenser that we used in the lube plant?. We used this equipment to exchange heat from acircuit containing furfural (solvent) to a cold mix of furfural and hydrocarbon (containing the lubrican to be separated later). Thanks for your time
  3. Soldador

    Furfural condenser

    divice: dry furfural condenser application: lubricant manufacture objective: exchange heat between two different circuit of furfural in order to save energy. subject: Materials Selection Hi Guys, is it possible to use carbon steel or stainless steel in tubes of Furfural condensers? Tin= 450...
  4. Soldador

    Do you know any metallography etching data base?

    Does anybody know a metallography etching web site ? I am trying to etch a dissimilar welding (monel-304L). I have already tried cromic, nitric-hydrocloric-acetic, nitric-acetic,and oxalic. but the results were not good. Some of them preferencialy attack the grain boundary or the...
  5. Soldador

    Twin Wire Technique using TIG

    Anybody Knows about this technique? Basically, One use two wires. So that, One can reach different chemical composition in the weld metal using different wires. I need to know what wire configuration is the best. I guess to put both wires in front of the torch, but I am not sure about that...
  6. Soldador

    Monel - type 304 SS dissimilar welding

    I need to have any idea of the welding parameters to weld a 304L plate using monel filler 60 (or 67).Or any parameter that you have used with similar materials. The welding proccess is GTAW. thanks

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