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TSG D0001-2009 PDF English

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TSG D0001-2009: Pressure pipe safety technology supervision regulation for industrial pressure pipe
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TSG D0001-2009: Pressure pipe safety technology supervision regulation for industrial pressure pipe


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Safety Technology Regulation for Special Equipment Pressure Pipe Safety Technology Supervision Regulation for Industrial Pressure Pipe Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China May 8, 2009

Foreword

Table of Contents

1 General Provisions... 5 2 Pipe Elements... 8 2.1 Basic Requirements... 8 2.2 Materials... 9 2.3 Application of Pipe Elements... 10 3 Design... 14 4 Installation... 19 4.1 Basic Requirements... 19 4.2 Welding and Heat Treatment... 20 4.3 Site Manufacture and Installation... 22 4.4 Visual Inspection and Non-destructive Testing of Welding Joint... 23 4.5 Pressure Test and Leak Test... 24 5 Application, Reconstruction and Maintenance... 28 5.1 Application... 28 5.2 Reconstruction... 31 5.3 Maintenance and Repair... 31 6 Periodic Inspections... 32 7 Safety protection devices... 34 7.1 Basic Requirements... 34 7.2 Safety Relief Devices (Safety Valve and Bursting Disc Device)... 36 7.3 Flame Arrester and ESV... 37 7.4 Installation... 39 7.5 Inspection and Maintenance... 41 8 Supplementary Provisions... 42 Annex A Gradation for Industrial Pressure Pipe and Classification of the Toxicity, Corrosivity and Fire Hazard of its Medium... 43 Annex B Quality Certificate of Pressure Pipe Elements... 47 Annex C Design Documents of Pressure Pipes... 48 Annex D Installation Quality Certificate of Pressure Pipes... 51 Annex E Calculation of Safety Relief Devices... 53 Pressure Pipe Safety Technology Supervision Regulation for Industrial Pressure Pipe

1 General Provisions

Article 1 This regulation is formulated in line with the "Regulations on Safety Supervision for Special Equipment", with a view to ensuring the safety operation of industrial pressure pipe, ensuring the personal and property safety of the people and promoting the economic development. Article 2 This regulation is applicable to process plants, auxiliary equipment and industrial pressure pipes (hereinafter referred to as "pipes") affiliated to the public works within the battery limit. All the process plants, auxiliary equipment and pipes shall meet all of the following requirements. (1) Highest operating pressure is greater than or equal to 0.lMPa (gauge pressure, the same below); (2) Nominal diameter (NOTE 1) is greater than 25mm; (3) Conveyance medium is gas, steam, liquefied gas, liquid whose highest operating temperature is higher than or equal to its normal boiling point or combustible, explosive, noxious and corrosive liquid. Article 3 This regulation is applicable to the following pipe scope. (1) Pipe elements, including pipe components (NOTE 2) and pipe support parts (NOTE 3); (2) Joints between pipe elements, the first joint (weld, flange, sealing member and fastener, etc.) connecting the pipe and equipment or device, and joints between the pipes and non-pressure parts; (3) Safety valves, bursting disc devices, flame arresters, emergency shutoff devices and other safety protection systems used for the pipes. NOTE 1.The nominal diameter is the inside nominal diameter and nominal dimension, the code is usually indicated in DN. NOTE 2.Pipe components are used to connect or assemble the pressure-bearing and enclosed pipe systems, including pipes, pipe fittings, flanges, sealing members, fasteners, valves, safety protection systems, compensators, flexible joints, pressure hoses, filters (such as Y-shape and T-shape), throttling devices (such as orifice plates) in the pipes and segregators. NOTE 3.Pipe support parts, including steeves, spring supporters and hangers, diagonal bars, balance weights, elastic bolts, support bars, chains, guideways, cradles, bases, rollers, brackets, sliding supports, lifting eyes, hangers, clasps, pipe clips, U-clamps and plywoods. Article 4 The following pipes shall comply with provisions specified in other relevant safety technology regulations. Article 6 Manufacturing of the pipe elements and the design, installation (including the field fabrication, the same below), reconstruction, maintenance, application and inspection/testing shall be in accordance with this regulation. The quality and technical supervision departments (hereinafter referred to as "quality inspection departments") at all levels are responsible for the safety supervision of pipes and for the supervision of the implementation of this regulation. Article 7 This regulation specifies basic safety requirements for the pipes, other provisions (such as technical standards and internal enterprise provisions) shall not be lower than the requirements of this regulation. Article 8 Pipes within the application scope of this regulation are divided into three grades, i.e., GC1, GC2 and GC3, according to the design pressure, design temperature, media toxicity degree, corrosivity and fire risk. The classification of pipe grades, media toxicity degree, corrosivity and fire risk are described in Annex A.

2 Pipe Elements

2.1 Basic Requirements Article 14 The design pressure of standard parts of the pipe elements shall be in accordance with the requirements specified in the relevant safety technology regulations and their corresponding standards. Non-standard pipe elements shall also be provided with design calculations and drawings. 2.2 Materials Article 21 Selection of materials for pipe components shall meet the following basic requirements and in the design, appropriate materials shall be selected according to specific working conditions and media.

3 Design

Article 35 Design organization of the pipes shall obtain corresponding design license. Design of pipe engineering shall be in accordance with those requirements (including the additional requirements specified by the end users) stated in this regulation and GB/T 20801, ensuring the designed pipes capable of safe, sustained, stable and normal operation.

4 Installation

4.1 Basic Requirements Article 57 Pipe installation organization shall obtain special equipment installation license and shall be responsible for the installation quality of pipes. Article 58 Before the pipes are installed, the installation organization shall fill in "Announcement on Installation, Reconstruction and Maintenance of Special Equipment" and inform the quality and technical supervision departments responsible for pipe application and registration (hereinafter referred to as "application and register authority") in the pipe installation site in written form and accept their supervision and inspection as required. 4.2 Welding and Heat Treatment Article 62 Welding of all the pipe pressure parts and welding between the pressure parts and non-pressure parts must be conducted by welding procedures, which are assessed to be qualified and must be managed strictly by the welding organization.

5 Application, Reconstruction and Maintenance

5.1 Application Article 96 The pipe end user shall be in charge of the safe operation for the pipe, guarantee the safe handling for pipe, and take charge of the safety performance for the pipe. The pipe end user shall be equipped with necessary resources and corresponding qualified staff to work for safety management, safety inspection, operation, maintenance and general reconstruction and maintenance for the pressure pipe according to the relevant requirements of this code and relevant standards. The repairs except the major repair are general repair. Article 114 The major repair for pipe shall be carried out by the qualified installation organization. The end user and installation organization shall formulate the major repair scheme before constructing; the major repair scheme shall be approved by the technical director of the end user. When the pipe section and valve of the pipe of Class GC1 is replaced in welding method, the installation organization shall inform the planned repair condition to the pipe log-in authority in written form before constructing, and apply the supervision and inspection from the supervision and inspection authority, and then the major repair construction may be carried out.

6 Periodic Inspections

Article 116 The periodic inspection for pipe is divided into on-line inspection and overall inspection. On-line inspection is an inspection which is carried out on the in-use pipe under the running condition once at least for each year (it may be called yearly inspection); the overall inspection is a general inspection which is carried out in a definite inspection cycle during pipe shutdown. Article 121 As for the overall inspection, the visual inspection, wall thickness measurement, pressure test and leakage test usually are carried out, the methods like non-destructive testing, physical and chemical inspection, stress analysis, strength verification, resistance measurement are adopted according to the specific circumstances of pipe. In the overall inspection, the inspection authority shall inspect and evaluate the pipe safety management condition for the end user. After the inspection is finished, the inspection authority shall make an overall inspection report for the end user.

7 Safety protection devices

7.1 Basic Requirements Article 125 The safety protection device like relief valve, bursting disc device, flame arrester, emergency shutoff device as well as its adjunctive instruments or meters which are used for the pressure pipe shall be in accordance with the requirements of this regulation. 7.2 Safety Relief Devices (Safety Valve and Bursting Disc Device) Article 133 The design, manufacture and inspection of safety relief devices (including safety valve and bursting disc device) shall respectively meet the relevant safety technical specifications such as ��Supervision Code for Safety Technique of Safety Valve�� and GB 150. See Annex E for the calculation of safety relief devices. 7.4 Installation Article 144 The regulations in ��Supervision Code of Safety Technique for Safety Valve�� and following requirements shall be met when the safety valve is installed. 7.5 Inspection and Maintenance Article 147 The safety protection device shall follow periodic inspection system according to those specified in the relevant safety technical specifications such as specifications for periodic inspection of pressure pipes.

8 Supplementary Provisions

Article 152 The General Administration of Quality Supervision, Inspection and Quarantine of the People��s Republic of China is responsible for explaining this regulation. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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