Brief introduction of radiographic examination procedure of primary pump of 900 MW nuclear power unit

The author introduces the radiographic examination procedure of the primary pump of 900 MW Nuclear Power Unit, including the requirement about the radiographic examination equipment such as the radiation sources, films, penetrameter, etc.; the radiographic process when using the rectilinear accelerator, and the development and examination of radiographic files, defects examination and acceptance criteria, with the expectation that this introduction be useful for reference to the promotion of 1000 MW nuclear power primary pump localization in China