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  • Users: mickawa
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  1. mickawa

    to passivate a compressed air s/s pipeline

    Hello, could you answer me the question do i need make a passivation of new 316s/s pipeline for compressed air ? The thing is the new pipeline is for clean compressed air, after the 0.2um filter. The air will contact with a product directly. I have read the A380 by ASTM and know they...
  2. mickawa

    Re- passivation 316L ss demi water loop

    Hello, I have a question about passive layer in the pipeline of 316L ss ? I have a demi water loop (water velocity is over 1.1 m/s, conductivity is about 0.5 uS, temp. about 20 deg C). As I know the thickness of passive layer is about couple particles. Is that possible the water after some time...
  3. mickawa

    Pure water system higher conductivity in loop

    Hello, As in title, I would like to ask about the reason of higher conductivity of pure water in loop. After EDI device the conductivity is about 0.1 uS/cm, but in loop there is about 0.6uS/cm. The max value is 1.3 uS/cm in temp 25C, so there is no problem. In the other installation we have the...

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