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GB 567.2-2012: [GB/T 567.2-2012] Bursting disc safety devices -- Part 2: Application, selection and installation Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB 567.2-2012: [GB/T 567.2-2012] Bursting disc safety devices -- Part 2: Application, selection and installation---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/GB567.2-2012 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.240 J 74 Bursting disc safety devices – Part 2.Application, selection and installation Issued on. MAY 11, 2012 Implemented on. MARCH 01, 2013 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4.Application... 6 5.Selection... 9 6.Installation... 11 Annex A... 17 Annex B... 18 Annex C... 20 Annex D... 27ForewordThe annex A, annex B and annex D in this Part are recommendatory; the rest are compulsory. GB 567 Bursting Disc Safety Devices is divided into four parts. -- Bursting disc safety devices - Part 1.Basic requirement; -- Bursting disc safety devices - Part 2.Application, selection and installation; -- Bursting disc safety devices - Part 3.Classification and mounting dimensions; -- Bursting disc safety devices - Part 4.Type test. This Part is part 2 of GB 567. This Part is drafted in accordance with the rules given in GB/T 1.1-2009. This Part was proposed by and shall be under the jurisdiction of China Standardization Committee on Boilers and Pressure Vessels (SAC/TC 262). Main drafting organizations of this Part. Shenyang Aerospace Xingguang Safety System Co., Ltd., Shanghai Gases Industry Association, China Special Equipment Inspection and Research Institute, Shanghai Huayi Engineering Equipment Co., Ltd., Special Equipment Safety Supervision Bureau of General Administration, Inspection and Quarantine of the People’s Republic of China, Dalian Technology Safety Engineering Co., Ltd., Shenyang Special Equipment Inspection and Research Institute, Shenyang Aerospace Xinguang Safety System Co., Ltd., Chengdu Chenghang Industrial Safety System Co., Ltd., Shanghai Special Equipment Inspection and Research technical Institute, Sinopec Engineering Incorporation, Shanghai SECCO Petrochemical Company Limited, China Chengda Engineering Co., Ltd., and China Aviation Aircraft Landing Gear Co., Ltd. Main drafters of this Part. Wu Quanlong, Xu Ziping, Qiu Qingyu, Zhou Weiming, Gao Jixuan, Shou Binan, Chen Zhaohui, Yu Jianliang, Jin Zhiwei, Zhang Zhiyi, Xiang Dongliang, Luo Xiaoming, Wei Yongbiao, Pang Jine, Hang Jianwei, Zeng Zhizhong, and Li Renfu. Bursting disc safety devices – Part 2.Application, selection and installation1 Scope1.1 This Part of GB 567 specifies the basic technical requirements on the application, selection, and installation of bursting disc safety devices. 1.2 This Part is applicable for the following bursting disc safety devices. -- This Part is applicable for the bursting disc safety devices that are used by pressure vessel, pressure piping or other sealed pressure-bearing equipment (hereinafter referred to as pressure-bearing equipment) to prevent overpressure or the appearance of excessive vacuum. -- This Part is applicable for the bursting disc safety devices of which the bursting pressure is not higher than 500 MPa and not lower than 0.001 MPa. 1.3 This Part is applicable for the following bursting disc safety devices. -- In the operation process, the pressure-bearing equipment which may produce pressure explosion, and of which the reaction velocity reaches detonation. -- The bursting disc safety devices used in national military defense equipment which have special requirements. Note. Phenomenon that is generated very differently from the common burning and explosion when the burning rate of the material is quickly, above 1 000m/s, is known as detonation.2 Normative referencesThe following documents are indispensable for application of this document. For the dated documents so quoted, only the dated versions apply to this document. For the undated documents so quoted, the latest versions (including all modification sheets) apply to this document. GB 567.1-2012 Bursting disc safety devices - Part 1.Basic requirement GB 567.4 Bursting disc safety devices - Part 4.Type test3 Terms and definitionsThe terms and definitions defined by GB 567.1 AND the following terms and definitions are applicable for this document. 3.1 Maximum allowable operating pressure The maximum gauge pressure that can be borne by the top of the protected pressure- bearing equipment, at the specified temperature. This pressure is the minimum value that is calculated based on the effective thickness of the pressure-bearing components of the protected pressure-bearing equipment, in consideration of the load of these components. 3.2 Operating pressure The maximum pressure that the top of the protected pressure-bearing equipment may reach, under normal working condition 3.3 Operating pressure ratio The ratio OF the working pressure of the protected pressure-bearing equipment TO the minimum bursting pressure of bursting disc. 3.4 Pressure relief system When the internal fluid of the protected pressure-bearing equipment exceeds the specified pressure, the system which can relieve fluid safely, including valves, pipe fitting, pressure relieving device and relieving pipe, etc. 3.5 Relieving pressure The maximum pressure that the inlet side of pressure relieving device may reach, during pressure relieving. 4.Application 4.1 General requirements 4.2 Independent use of bursting disc safety device 4.2.1 If one of the following conditions is satisfied, for the protected pressure-bearing equipment, an independent bursting disc safety device shall be used as overpressure relieving device. 4.2.2 For movable pressure vessel, unless otherwise specified in the relevant standards, the protected pressure-bearing equipment such as long-pipe trailer and pipe-bundle container may use bursting disc safety device as single overpressure relieving device. 4.2.3 For the protected pressure-bearing equipment which is often used at the conditions of overpressure or greatly variable temperature, independent bursting disc safety device shall not be used as overpressure relieving device. 4.3 Combined use of bursting disc safety device and safety valve 4.3.3 Bursting disc safety device connected to the outlet side of safety valve in series 4.3.3.1 If the outlet side of safety valve might be corroded or interfered by external pressure source, bursting disc safety device shall be installed at the outlet side of safety valve to protect the normal operation of safety valve. 4.3.3.2 The bursting disc safety device of movable pressure vessel shall not be installed at the outlet side of safety valve. 4.3.3.3 When bursting disc safety device is installed at the outlet side of safety valve, the following requirements shall be satisfied. 4.3.4 Bursting disc safety device connected to safety valve in parallel 4.3.4.1 If one of the following conditions is satisfied, for the protected pressure-bearing equipment, one or more of the combined bursting disc safety device and safety valve can be used. 5.Selection 5.1 General requirements 5.1.1 In the case of the selection of bursting disc safety device, the borne pressure and pressure deviation, etc. at the inlet and outlet sides of bursting disc safety device shall be considered. 5.1.6 When bursting disc safety device is used in liquid, the selected bursting disc safety device shall be adaptive to liquid to ensure that lining can be fully opened by the power of system when bursting disc bursts. 5.2 Selection of bursting disc 5.2.1 For the selection of bursting disc, the pressure of the protected pressure-bearing equipment, temperature, working medium, maximum operating pressure, etc. shall be considered. For the types of bursting disc, refer to Annex A. 5.3 Selection of bursting disc materials 5.3.1 Aluminum, nickel, austenitic stainless steel, Inconel, Monel or graphite bursting disc can be used based on the working conditions and structure features of the protected pressure-bearing equipment. Unless otherwise specified, titanium and hastelloy bursting disc can also be used. For the maximum service temperature of normal materials, refer to Annex A of GB 567.1-2012. 5.4 Selection of bursting pressure 5.4.1 The specified bursting pressure of bursting disc safety device shall be determined by the design organization of the protected pressure-bearing equipment according to the working conditions of the protected pressure-bearing equipment and the relevant safety technical regulations. 5.4.2 The design organization of bursting disc safety device shall determine the minimum and the maximum bursting pressures according to the working conditions and structure features of the protected pressure-bearing equipment, the requirements of user, the results of the relevant projects, the relevant safety technical standards, and the scope of production, etc. 5.5 Determination of discharge capacity of bursting disc 5.5.1 When bursting disc safety device is the only overpressure relieving device, the discharge capacity of relief system is calculated according to 5.5.2 or 5.5.3. 5.6 Determination of replacement period of bursting disc 6.Installation 6.1 Installation position of bursting disc safety device and pipe setting 6.1.1 Installation position in system 6.1.1.1 Bursting disc safety device shall be installed on the body or auxiliary pipe of pressure-bearing equipment to make it easy to install, inspect and replace. 6.1.1.4 If one of the following conditions is satisfied, install the bursting disc safety device in the pressured sealed space or dangerous space (pressure-bearing equipment). 6.1.1.5 For pressure-bearing equipment such as heat exchanger, vapor may be produced when medium turns from high temperature to low temperature; bursting disc safety device shall be installed in low temperature space. 6.1.2 Pipeline arrangement of bursting disc safety device 6.1.2.1 The area of cross section of all the pipes and fittings between pressure-bearing equipment and bursting disc safety device shall be lower than the vent area of bursting disc safety device. The area of cross section of bursting disc safety device shall be greater than the vent area of bursting disc safety device. 6.1.2.6 For the installation of the relieving pipe of bursting disc safety device, the center line of pipe shall be aligned with that of bursting disc safety device to prevent the uneven stress of bursting disc which may lead to the damage of the edge of bursting disc or variation of bursting pressure. 6.1.2.7 When there may be combustible medium relieved out of relieving pipe of bursting disc safety device, back-fire relieving valve etc. shall be installed to prevent fire hazards. 6.1.3 Installation of the combined bursting disc safety device and safety valve 6.1.3.1 When bursting disc safety device is installed between pressure-bearing equipment and safety valve, pressure gage and relieving valve shall be installed at the inlet side of safety valve to prevent pressure accumulation between bursting disc and safety valve. 6.1.3.2 When bursting disc safety device is installed between pressure-bearing equipment 6.1.4 Installation of block valve on the pipe of bursting disc safety device 6.1.4.1 Adopt direct-through-type structured block valve. Its connection mode and strength shall be matched with bursting disc safety device, and the valve shall be locked or lead- sealed (full open or full close). 6.1.4.2 In the event that block valves are installed between bursting disc safety device and pressure-bearing equipment, and if pressure-bearing equipment generates pressure and block valve is used for maintenance and the replacement of bursting disc safety device, then block valve shall be at full open status and locked or lead-locked under normal working condition. 6.1.5 Others 6.1.5.1 When the relieving pipe of bursting disc safety device is too long, and in consideration of the great impact of temperature variation to the shape of pipeline and the possible impact on bursting disc, expansion joint shall be installed when necessary, so as to reduce the over-deformation of pipeline. 6.2.2 Bursting disc assemblies 6.2.2.1 Take bursting disc out of box; determine whether there is flaw or damage on the surface; carefully put it in bursting-disc-holder; protect bursting disc during installation. 6.2.2.2 In the case of the installation of bursting disc, determine whether its label is the same with that of bursting-disc-holder and whether consistent with the direction of relieving. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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