1.0.1 This code is established with a view to reinforcing quality management over the construction project of petrochemical industry, specifying the construction quality examination of metal pipeline engineering of petrochemical engineering and guaranteeing the pipe construction quality.
1.0.2 This code is applicable to the construction quality acceptance of metallic piping in petrochemical engineering with design pressure no greater than 42MPa and design temperature no less than -196℃. 1.0.3 This code specifies the basic requirements for the construction quality acceptance of metallic piping in petrochemical engineering, and requirements specified in the national laws and administrative regulations shall be complied with if this code conflicts with the requirements of the national laws and administrative regulations.
1.0.4 The construction quality acceptance of metallic piping in petrochemical engineering shall not only comply with this code, but also shall meet those specified in the relevant current standards of the state.
1 General Provisions
2 Terms
3 Basic Requirement
4 Pipe Grade
5 Material of Pipe Inspection
5.1 General Requirement
5.2 Pipe Examination
5.3 Valve Examination
5.4 Other Component of Pipe Examination
5.5 Pipe Supports and Hangers Examination
6 Piping Fabrication
6.1 Pipe Fabrication
6.2 Elbow Fabrication
6.3 Jacket Piping Fabrication
6.4 Pipe sections of Fabricated
7 Piping Welding
7.1 General Requirement
7.2 Bevel Processing and Joint Assembly
7.3 Welding
7.4 Preheat and Heat Treatment
8 Piping Installation
8.1 General Requirements
8.2 Piping with the Rotation of the Machine
8.3 Piping of Non-ferrous Metals
8.4 Piping of Tracing
8.5 Lined Piping
8.6 Safety Apparatus
8.7 Compensating Units
8.8 Support and Hanger
8.9 Electrostatic Grounding
9 Piping Welding Inspection
9.1 General Requirement
9.2 Visual Inspection of Welding
9.3 NDE of Welded Joint
9.4 Inspection of Hardness
9.5 Inspection of Ferrite
10 Piping Test
10.1 General Requirements
10.2 System Setting
10.3 Hydraulic Pressure Test
10.4 Pneumatic Pressure Test
10.5 Pressure Test in Commissioning
10.6 Leak Test and Vacuum Test
11 Piping Cleaning
11.1 General Requirements
11.2 Cleaning System Setting
11.3 Air Blowing
11.4 Steam Cleaning
11.5 System Washing
11.6 Chemical Cleaning
11.7 Piping Degrease
11.8 Oil Washing
12 Technical Document of Construction Completion
Appendix A Normal Toxic and Combustible Substances
Appendix B Piping Classify Encode
Explanation of Wording in this Code
List of Quoted Standards
