1、Recommended Practice for the Repair and Remanufacture of Pipeline ValvesAPI RECOMMENDED PRACTICE 6DR SECOND EDITION,MAY 2012REAFFIRMED,JANUARY 2020Recommended Practice for the Repair and Remanfacture of Pipeline ValvesUpstream SegmentAPI RECOMMENDED PRACTICE 6DR SECOND EDITION,MAY 2012Special NotesA
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16、 Department,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.iiiContentsPage1Scope.12Normative References.13Terms,Definitions,and Abbreviations.23.1Terms and Definitions.23.2Abbreviations.24Preparation for Shipment to the Reconditioner.35Control of Equipment.36Disassembly and Cleaning of Valves.37Evaluation of Components.48Repair/Remanufacture/Replacement of Valve Parts.48.1Control of Manufacturing Operations.48.2Inspection of Valve Parts.48.3Replacement Parts and Material.48.4Fabricati
