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Recent content by cityone1

  1. cityone1

    Emerency Diesel Generator

    Hi everybody. I have questions regard of entire Emergency Diesel Generator Replacement of Nucelar Power Plant for regulation guide, licensing issue. Please provie your experience for EDG. 1. What regulation do I have to review(for ex. NRC Reg. Guide, SRP, etc.) Would you please tell me...
  2. cityone1

    Emergency Diesel Generator

    Hi everybody. I have questions regard of entire Emergency Diesel Generator Replacement of Nucelar Power Plant for regulation guide, licensing issue. Please provie your experience for EDG. 1. What regulation do I have to review(for ex. NRC Reg. Guide, SRP, etc.) Would you please tell me...
  3. cityone1

    Screwed Connection

    Hi everybody I need your response. In my design spec. there is paragraph as bellow. "Screwed connections are prohibited where threads provide the only seal of the pressure boundary." I want to know why this requirement is applied. And, this requirement shall be applied, is there any...
  4. cityone1

    Filter element of Nuclear Power Plant

    Hi all I want to the meaning of loaded differential pressure and collapsed differential pressure for filter element of chemical volume control system of nuclear power plant. And I want to know that the loaded dP is changed according to the flow rate. Thank you
  5. cityone1

    Pressure controlling or Pressure Containing?

    According to ASME Sec. III Class 1, valve disc is pressure containing part. see para. NB3546.2
  6. cityone1

    Lock-up pressure

    Hi all I want to the meaning of lock-up pressure for pressure regulator. I think that lock-up pressure is same thing to set pressure for the pressure regulator. Would you please let me know the difference between the set pressure and lock-up pressure, if any.
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