SHS-01030-92（英文版） 阀门维护检修规程.doc

PAGE PAGE 18 The Chinese version of standards has precedence to their English translations which are only for internal reference. 本英文版为内部资料，仅供参考，以中文版为准。 Maintenance and Service Procedure for Petrochemical Equipment– General Equipment Maintenance and Service Procedure for Valves 阀门维护检修规程 SHS 01030-92 (For Trial Implementation) Promulgated by SINOPEC SINOPEC Publishing House Contents 1. General 2. Period and Content of Maintenance 3. Maintenance and Quality Standard 4. Testing and Acceptance 5. Service and Troubleshooting Appendix A Option of Materials for Abrasive Tools (For Reference) Appendix B Codes and Application Ranges of Abrasive Materials Appendix C Size Ranges of Abrasive Materials (For Reference) Appendix D Option of Flanges, Bolts and Gaskets (For Reference) Appendix E Option of Common Packings 1. General 1.1 Subject Matter and Application Range 1.1.1 In this Procedure the period and content of the maintenance, maintenance and quality standard, testing and acceptance, service and troubleshooting of general-purpose valves are defined or described. 1.1.2 This Procedure is applicable to such gate valves, stop valves, ball valves, butterfly valves, check values and safety valves that are used in the Petrochemical industry with the max. working pressure being 98.1 MPa (gauge pressure) and the working temperature ranging from -196 to + 850?C. 1.2 Reference for Preparation SY-21019-73 Maintenance and Service Procedure for Valves of Refineries GB 12241-12243-89 Safety Valves ZBJ16-006-89 Tests and Checks of Valves. 2. Period and Content of Maintenance 2.1 Maintenance Period The maintenance period of valves shall be determined by all enterprises themselves in accordance with the features of the production plant, performances of the medium, corrosion speed and operating cycle. 2.2 Maintenance Content 2.2.1 Clean and check the valve body and partial valve parts. 2.2.2 Replace or repair partial valve parts. 2.2.3 Lap the seal surface. 2.2.4 Rep