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  1. felix201012

    Ball valves are suitable for aggresive media?

    Thank you a lot for the info and details. The planet is saved! Me as well Cheers to all
  2. felix201012

    Ball valves are suitable for aggresive media?

    Thank you for clarifications. So in terms of safety check, I should go to diaphragm type of closing. With regards, Felix
  3. felix201012

    Ball valves are suitable for aggresive media?

    Hello, Thank you very much for the answer. From compatibility point of view is clear = ok. Regarding the design? Ball valves, flanged, are ok for this purpose? Many thanks again, Felix
  4. felix201012

    Ball valves are suitable for aggresive media?

    Hello everybody, Although I am sure this kind of topic was somewhere enlist, please help me out in the following question mark: --> ball valve, SS304 or 316 are a safe choice for fitting over NaOH pipeline, 50% concentration? And here I am referring to 3 piece ball valve, in a temperature...
  5. felix201012

    Sodium persulphate 25 %

    Hello everybody, I need your help in giving me any suggestions of using a stock solution of sodium persulphate 25 % in any possible cleaning applications! In the past this was used for cleaning a membrane unit for beer filtration and is no longer required (it was mixed NaOH 2 % + Napersulphate...
  6. felix201012

    Cleaning mixture based on Na persulphate + NaOH

    Hello to all, Please let me know if someone has experience in using a mixture of sodium persulphate + caustic soda (both at 2 % w/v concentration in water) in cleaning stainless steel vessels/pipes 304L. I am willing to used it as oxidizer for biofilm removal from the pipes/vessel, cleaning...

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