Standard No.:	GB 50727-2011
English Name:	Code for acceptance of construction quality of anticorrosive engineering of industrial equipment and pipeline
Chinese Name:	工业设备及管道防腐蚀工程施工质量验收规范
Professional Classification:	GB    National Standard
Issued by:	MOHURD
Issued on:	2011-8-26
Implemented on:	2012-6-1
Status:	superseded
Superseded by:	GB/T 50726-2023 Technical standard for anti-corrosion engineering of industrial equipment and pipeline
Superseded on:	2023-9-1
Language:	English
File Format:	PDF
Word Count:	20000 words
Price(USD):	500.0
Delivery:	via email in 1 business day

1 General Provisions 1.0.1 This code was prepared with a view to unify the methods for industrial equipment and pipeline anti-corrosion quality acceptance of project construction, strengthen technical management and construction process control, strengthen acceptance and guarantee engineering quality. 1.0.2 This Code is applicable to quality acceptance for newly-built, renovated and extended steel- and cast iron-manufactured industrial equipment and pipeline anti-corrosion project construction. 1.0.3 This Code shall be applied matching the current national standards "Unified Standard for Constructional Quality Acceptance of Industrial Installation Engineering" (GB 50252) and "Code for Anticorrosive Engineering Construction of Industrial Equipment and Pipeline" (GB 50726). 1.0.4 The quality acceptance of industrial equipment and pipeline anti-corrosion project construction shall not only the requirements stipulated in this code but also comply with those in the current relevant ones of the nation. 2 Terms 2.0.1 Inspection lot It refers to the inspection body summarized according to the same production conditions or provisions and comprising of certain quantity of samples. 2.0.2 Allowable deviation It refers to the deviation that the check point is allowed to fall in the testing ratio scope specified in this code under the premise of the satisfiable works safety and use functions in the test process. 2.0.3 Visual inspection It refers to the process in which visual observation is applied to judge whether the inspected object meets the technical parameters specified in the Code. 2.0.4 Random examination It refers to the examination with certain specific items randomly taken to a scale among the designated inspection lot, which is also called sampling inspection.

Foreword I 1 General Provisions 2 Terms 3 Basic Requirements 4 Pretreatment of Matrix Face 5 Block lining 6 Lining of Fiber Reinforced Plastics 7 Rubber Lining 7.1 General Requirement 7.2 Requirement for Quality of Raw Material 7.3 Lining 8 Lining of Plastics 8.1 General Requirement 8.2 Requirement for Quality of Raw Material 8.3 Soft Polyvinyl Chloride Plate Lining 8.4 Fluoroplastics Plate Lining Equipment 8.5 Plastic Lined Pipeline 9 Glass Flake Lining 9.1 General Requirement 9.2 Requirement for Quality of Raw Material and Manufactured Products 9.3 Lining 10 Lead Lining 10.1 General Requirement 10.2 Requirement for Quality of Raw Material 10.3 Lead Lining 10.4 Enameling Lead 11 Spray Coating Polyurea Lining 12 Lining of Neoprene Latex Cement Mortar 12.1 General Requirement 12.2 Requirement for Quality of Raw Material and Manufactured Products 12.3 Lining 13 Coating Layer of Coatings 14 Heat Spray Coating of Metal 15 Acceptance of Subsection (Sub-subsection) Project Appendix A Quality Acceptance Record for Inspection Lot Appendix B Quality Acceptance Records of Sub-item Project Appendix C Quality Acceptance Record of Subsection (Sub-subsection) Project Appendix D Examination Records of Quality Assurance Information Explanation of Wording in this Code List of Quoted Standards