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  1. O

    pressure drop test nitrogen instead of helium

    We can think all media is gas at room temperatures
  2. O

    pressure drop test nitrogen instead of helium

    Test is not about leakage its about flow performance.
  3. O

    pressure drop test nitrogen instead of helium

    Thanks for your reply, as you said test is about measuring flowing pressure drop. yes changing flow media is problematic but is there any way to making similarity beetween two point with helium and nitrogen, such as on same volumetric flow make test with nitrogen then verify datas with cfd...
  4. O

    pressure drop test nitrogen instead of helium

    Maybe I asked wrong question. All my line valves also designed for helium gas. Nominal working conditions of line such as 5 bar, 10g/s helium but I don't have helium supply, I have nitrogen, then I will test my valve by nitrogen gas on same volumetric flow and calculate capacity. Is it good...
  5. O

    pressure drop test nitrogen instead of helium

    Hi I wonder something, I have an valve working with helium gas but ı can not test with helium right now. When ı change the fluid by nitrogen. How can I verify actual the pressure drop if I do my tests by helium gas.

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