Security and reliability are the main focus of annular metal seal assembly. It is concluded that the factorsinfluence sealing performance of annular metal seal assembly most in view of working conditions of annular metal sealassembly. Taking major influencing factors with response surface method (RSM) analysis, and determining coefficient ofregression analysis with finite element method (ANSYS) experiment. Second-order corresponding model is establishedand the best corresponding interval is concluded. Getting the reasonable values of bulge radius r and loading F on thepremise of guarantee the y value and providing theoretical guidance for field operation combined with metal sealing sealprinciples and experimental research.
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