| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To create an economical maintenance management method for a valve in consideration of actual execution of maintenance work. <P>SOLUTION: In this maintenance management method for the valve, an importance level of the valve is estimated by piping systems on the basis of design information about the valve constituting a plant and a fluid flowing through the inside of the valve or maintenance history information about disassembly and inspection, repair, replacement or the like of the valve, a risk index is calculated from a material kind, failure probability and an inspection interval of the valve, a maintenance position of the valve is specified, and a maintenance method and maintenance execution time of each the valve such that all the piping systems level the risk indexes are selected on the basis of a difference in the risk index of each the valve when applying various maintenance plans. Thereby, the maintenance management method for the valve having excellent economical efficiency can be provided. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
