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GB/T 42595-2023: Basic requirements for repair of pressure equipment
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Basic requirements for repair of pressure equipment
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GB/T 42595-2023
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Basic data | Standard ID | GB/T 42595-2023 (GB/T42595-2023) | | Description (Translated English) | Basic requirements for repair of pressure equipment | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J74 | | Classification of International Standard | 23.020.30 | | Word Count Estimation | 25,294 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-05-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42595-2023: Basic requirements for repair of pressure equipment---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 23:020:30
CCSJ74
National Standards of People's Republic of China
Basic requirements for pressure equipment repair
Released on 2023-05-23
2023-05-23 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Repair Category 2
5 Basic Requirements 2
6 Workflow 3
7 File Management 6
Appendix A (Informative) Recognition Form of Environmental Factors in Repair Construction Operation 7
Appendix B (Informative) Work Hazard Analysis Record Form for Repair Construction Work 8
Reference 21
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Standardization Technical Committee of Boilers and Pressure Vessels (SAC/TC262):
This document was drafted by: China Special Equipment Inspection and Research Institute, Hefei General Machinery Research Institute Co:, Ltd:, China National Petroleum Corporation
Co:, Ltd: Refining and Chemical Branch, State Administration for Market Regulation, China Petrochemical Corporation, Sinopec Beijing
Yanshan Petrochemical Co:, Ltd:, East China University of Science and Technology, Shanghai Special Equipment Supervision and Inspection Technology Research Institute, Sinopec Fourth Construction Co:, Ltd:
Division, China Special Inspection Group Co:, Ltd:
The main drafters of this document: Jiang Haiyi, Li Jun, Du Chenyang, Bu Huaquan, Xie Guoshan, Lin Zhenyu, Shi Jin, Wang Jianjun, Zhao Baocheng, Shao Shanshan,
Zhao Bin, Wang Hui, Liu Changjun, Guo Guangfei, Du Yannan, Lei Gaotao, Yuan Yiwen, Kang Haoyuan, Guo Jingqian, Jia Xiaoliang:
Basic requirements for pressure equipment repair
1 Scope
This document specifies the classification, basic requirements and work flow for the repair of in-service pressure equipment such as boilers, pressure vessels and pressure piping:
This document is applicable to the repair of pressure-bearing equipment included in the special equipment catalogue, and the repair of pressure-bearing equipment not included in the special equipment catalogue can be implemented as a reference:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
NB/T 47013 (all parts) Non-destructive testing of pressure equipment
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
All kinds of plans to restore the safety status and functions of pressure equipment after there are potential safety hazards, technical status deterioration or failure
Repair and unplanned hidden danger repair, damage repair and accident repair and other activities:
3:2
Temporary repair temporaryrepair
Repair the defects and damages of the pressure-bearing equipment to maintain the safe performance of the pressure-bearing equipment within a certain period of time:
Note: Temporary repair is only a temporary treatment measure for pressure-bearing equipment before overhaul:
3:3
permanent repair permanent repair
Repair the defects and damages of pressure-bearing equipment to make them meet the requirements of corresponding regulations and standards, and restore them to a good state:
3:4
Welding repair weldedrepair
Welding repair method is adopted for pressure equipment:
Note: Welding repair methods include digging, welding casing, surfacing welding, strengthening welding and replacing pipe sections and fittings, etc:
3:5
mechanical repair mechanicalrepair
Use mechanical (non-welding) repair methods for pressure equipment:
NOTE: Methods of mechanical repair include replacement of pressure-containing components, freeze plugs, thread repair, mechanical clamps, pipe straightening, fastener repair in concrete, and bolt tightening:
Solid etc:
3:6
Repair methods for the repair of non-metallic parts of pressure equipment:
Note: Non-metal repair methods include non-metal composite material repair and non-metal lining repair of pipelines, etc:
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