GB 50184-2011 PDF English
US$125.00 · In stock · Download in 9 secondsGB 50184-2011: Code for acceptance of construction quality of industrial metallic piping Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 50184: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 50184-2011 | English | 125 |
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Code for acceptance of construction quality of industrial metallic piping
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| GB 50184-1993 | English | RFQ |
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11 days
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Standard for checking and evaluating the quality of industrial metallic piping
| Obsolete |
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GB 50184-2011: Code for acceptance of construction quality of industrial metallic piping---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB50184-2011
National Standard of the People’s Republic of China
P GB/T 50184-2011
Code for Acceptance of Construction Quality of
Industrial Metallic Piping
Issued on: DEC 24, 2010
Implemented on: DEC 01, 2011
Jointly issued by. Ministry of Housing and Urban-Rural Development;
General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China.
Foreword
This Code, on basis of "Standard for Quality Inspection and Assessment of Industrial
Metal Pipeline Engineering" (GB 50184-93), is reserved and completed by China Petroleum
& Chemical Engineering Survey and Design Association and China National Chemical
Engineering Third construction Co., Ltd. jointly with organizations concerned according to
the requirements of "Notice on Printing and Publishing ‘Development and Revision Plan of
National Standard for Project Construction 1999’" (JIANBIAO [1999] No. 308) by Ministry
of Construction.
During the revision process, the drafting group revised, examined and finalized this Code
based on wide investigation and study, earnestly summarizing the practical experiences and
making reference to the relevant international standards and foreign advanced standards as
well as extensively soliciting for opinions.
This Code comprises 9 chapters and 4 appendixes with the main contents as follows.
general provisions, terms, basic requirement, examination of pipe work components and
materials, machining of piping, welding and heat-treatment after welding of piping, piping
installation, inspection, examination and test for piping, blowing and cleaning of piping, etc..
There have been some significant changes in this Code in the following technical
aspects.
1. The non-applicable scope was deleted.
2. The Chapter of Terms was added.
3. The evaluation provisions for "Excellent" grade engineering was deleted and the
inspection item was modified to dominant item and general item.
4. Provisions for the permissible deviation of measured value and quantity value of the
random inspection point in sub-item project were deleted.
5. Provisions for general quality acceptance of miter elbow, welded lap joint, piping
support and hanger fabrication were added.
6. Relevant provisions for quality acceptance of welded connection of branch pipe and
main pipe as well as the fillet weld of flange were added.
7. Provisions for the general quality acceptance of zirconium non-ferrous piping,
jacketed pipes and valves installation were added.
8. Provisions for the examination grade division of piping welded seam as well as
provisions for quality acceptance of technical level of welded seam surface non-destructive
examination, welded seam radiographic and ultrasonic examination were added.
9. Requirements for the relevant quality acceptance of hydraulic pressure test and
pneumatic test were supplemented.
The provisions printed in bold type in this code are compulsory provisions and must be
enforced strictly.
The Ministry of Housing and Urban-Rural Development of the People's Republic of
China is in charge of the administration of this code and the explanation of the compulsory
provisions, the Branch on Chemical Industry of China Association for Engineering
Construction Standardization is in charge of the current management of this code, and the
National Administrative Center of Standardization of Chemical Construction is responsible
iv
Table of Contents
1 General Provision ... 1
2 Terms ... 1
3 Basic Requirement ... 1
3.1 Division for Acceptance of Constructional Quality... 2
3.2 Acceptance of Constructional Quality ... 2
3.3 Procedure and Organization for Acceptance of Constructional Quality ... 3
4 Examination of Pipe Work Components and Materials... 4
5 Machining of Piping... 6
5.1 Bending Fabrication... 6
5.2 Machining of Rolling Pipe... 7
5.3 Flanging Edge of Pipe... 8
5.4 Machining of Jacket Pipe... 8
5.5 Production of Miter Elbow ... 9
5.6 Fabrication of Piping Support and Hanger ... 9
6 Welding and Heat-treatment after Welding of Piping... 10
7 Piping Installation... 12
7.1 General Requirement ... 12
7.2 Piping Prefabricate... 13
7.3 Steel Piping Installation ... 13
7.4 Installation for Piping of Coupling Equipment... 16
7.5 Cast Iron Piping Installation ... 16
7.6 Installation of Stainless Steel Piping and Non-ferrous Piping ... 18
7.7 Installation of Heating Piping ... 19
7.8 Jacket Piping Installation ... 19
7.9 Installation of Anticorrosive Lining Piping ... 20
7.10 Valve Installation ... 20
7.11 Expansion Joint Installation ... 20
7.12 Installation of Piping Support and Hanger... 21
7.13 Installation of Static Electricity Grounding ... 22
8 Inspection, Examination and Test for Piping... 23
8.1 Visual Inspection of Welded Seam ... 23
8.2 Radiographic and Ultrasonic Examinations of Welded Seam ... 25
8.3 Non-destructive Examination of Welded Seam Surface ... 26
8.4 Hardness Examination and Other Inspections ... 27
8.5 Pressure Test ... 28
9 Blowing and Cleaning of Piping ... 31
9.1 Water Flushing ... 31
9.2 Air Blowing ... 32
9.3 Steam Blowing... 32
9.4 Degreasing of Piping ... 33
9.5 Chemical Cleaning... 33
vi
9.6 Oil Cleaning... 34
Appendix A Record of Sub-item Project's Quality Acceptance ... 35
Appendix B Record of Subsection (Sub-subsection) Project's Quality Acceptance ... 36
Appendix C Record of Unit (Sub-unit) Project's Quality Acceptance ... 37
Appendix D Record for Check of Project's Quality Guarantee Materials... 38
Explanation of Wording in This Code ... 40
List of Quoted Standards ... 41
vii
1 General Provision
1.0.1 This Code is formulated in order to unify the quality acceptance method for industrial
metallic piping construction, strengthen the technical management and ensure the engineering
quality.
1.0.2 This Code is applicable to acceptance of construction quality of industrial metallic
piping with design pressure no greater than 42MPa and the design temperature no greater than
the allowable operating temperature of materials.
1.0.3 This Code shall be used in conjunction with the current national standards "Unified
Standard for Constructional Quality Acceptance of Industrial Installation Engineering" (GB
50252) and "Code for Construction of Industrial Metallic Piping Engineering" (G...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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