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GB 567.1-2012: [GB/T 567.1-2012] Bursting disc safety devices -- Part 1: Basic requirement Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 567.1: Historical versions
Similar standardsGB 567.1-2012: [GB/T 567.1-2012] Bursting disc safety devices -- Part 1: Basic requirement---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/GB567.1-2012GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.240 J 74 GB/T 567.1-2012 Replacing GB/T 567-1999 Bursting Disc Safety Devices - Part 1.Basic Requirement Issued on. MAY 11, 2012 Implemented on. MARCH 1, 2013 Jointly Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 6 4 General... 11 5 Materials... 12 6 Design... 13 7 Manufacture... 16 8 Test Method... 19 9 Inspection Rules... 24 10 Marking Sign and Nameplate... 25 11 Packing, Transportation and Storage... 27 12 Exit-factory Documents... 28 Appendix A... 30 Appendix B... 31 Appendix C... 321 Scope1.1 This Part specifies the technical requirements for design, manufacture, inspection, test, marking sign, packing and exit-factory documents of bursting disc safety devices. 1.2 This Part is applicable to the following bursting disc safety devices. — The bursting disc safety devices used for pressure vessels, pressure pipes or other sealing pressure equipment (hereafter referred to as “pressure equipment”) to prevent the overpressure or excess vacuum; — The bursting pressure of bursting discs is not greater than 500MPa and not less than 0.001MPa. 1.3 This Part is not applicable to the following bursting disc safety devices. — Pressure equipment, possible to increase pressure abruptly in the operation, reaching reaction rate at detonation degree. — Bursting disc safety devices under the special requirements in the defence military equipment. 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 referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 567.2 Bursting disc safety devices — Part 2.Application, selection and installation GB 567.3 Bursting disc safety devices — Part 3.Classification and mounting dimensions GB 567.4 Bursting disc safety device — Part 4.type test3 Terms and DefinitionsFor the purposes of this document, the following terms and definitions apply. 3.1 Pressure Unless otherwise stated, pressure all refers to the gauge pressure. 3.2 Bursting disc safety device It refers to the pressure relief safety device that is composed of such assemblies as bursting disc (or bursting disc assembly) and bursting disc holder (or supporting ring). The bursting disc will act (crack or fall off) and discharge the pressure medium immediately when the pressure difference between both sides of the bursting disc reaches the pre-set value at the pre-set temperature. 3.3 Bursting disc It refers to the pressure sensitive device that is in the bursting disc device and is able to act rapidly due to overpressure. 3.4 Bursting disc assembly It refers to the assembly combined by two or more such parts as bursting disc, back pressure support, stiffening ring and anticorrosion lining, which is also called assemble-type bursting disc. 3.5 Conventional domed bursting disc (also referred to as. forward-acting) The pressure sensitive device acts like a conventional domed shape. The concave surface of the dome is located at the high pressure side of the pressure system after installation. The tensile failure will occur on this device when it actuates.4 General4.1 General provisions 4.2 Responsibilities 4.2.1 The design organization shall be responsible for the accuracy and integrity of the design document. 4.2.2 The design documents of bursting disc safety device shall at least include the following contents. 4.2.3 The manufacture organization shall manufacture according to the design drawings approved through the established procedures, obtain the modification written certificates approved by the original design organization if the original design is to be modified, and record the modified positions in detail. 4.2.5 The manufacture organization shall at least keep the following documents for future reference; the retention period shall generally not be less than 7 years.5 Materials5.1 The materials of bursting disc safety devices shall be of good corrosion resistance, mechanical properties and other process properties; and shall be able to meet the basic requirements of manufacture, inspection and safe application. 5.4 Before the bursting disc materials are put into production for the first time, re- inspection shall be carried out in accordance with the requirements of relevant material standards and design drawings. Only the qualified materials may be used. 5.5 As for the bursting discs that are frequently used in the corrosive environment or the environment that may lead to the failure of bursting discs in advance, measures such as plating, spray coating or lining on the surface of bursting discs may be adopted to prevent the corrosion failure of bursting discs.6 Design6.1 Bursting pressure 6.1.1 The specified bursting pressure of bursting disc safety devices shall be determined by the designer of sealing pressure equipment according to the bearing capacity, working conditions and relevant safety technique specifications of sealing pressure equipment. 6.1.4 If the design drawings or product nameplates of sealing pressure equipment marked with the maximum allowable service pressure, for the determination of bursting pressure of bursting discs, design pressure of pressure equipment may be superseded by the maximum allowable service pressure. 6.2 Bursting disc 6.2.1 The size, category and type of bursting discs shall be determined reasonably by the designer of bursting disc safety devices, according to relevant requirements of GB 567.2, the working conditions, structural features of sealing pressure equipment, and taking comprehensive consideration of the test results of similar project. 6.2.2 If the bursting disc designed with imperfect ring, the length or diameter of imperfect ring shall be able to ensure there is sufficient discharge capacity, and the design of imperfect ring shall be able to ensure there is no chips after blasting of bursting disc. 6.3 Bursting disc holder 6.3.1 Design, manufacture and application of bursting disc holders shall be matched with bursting discs. 6.3.2 The strength design of bursting disc holder may adopt any one of the following specified methods. 6.3.5 Connection requirements Reasonable connecting type shall be selected according to the working conditions and structural requirements of bursting disc safety devices, and the connecting parts shall meet the following requirements. 6.4 Back pressure support Back pressure support type shall be set according to the working conditions and structural requirements of bursting disc safety devices, and the back pressure support shall meet the following requirements. 6.5 Temperature shield When the temperature of the operating environment exceeds the allowable range, either too high or too low, and the bursting disc performance cannot be guaranteed, the temperature shield shall be arranged to ensure the operating temperature of bursting disc within the allowable range. Temperature shield must be provided by the bursting disc manufacturer.7 Manufacture7.1 General requirements 7.1.1 The manufacture of bursting disc safety devices shall meet the requirements of the design drawings, in additional of this chapter’s requirements. 7.1.2 Reasonable manufacture and assembly technique shall be established, and the shape-forming, assemble and inspection shall be in accordance with the specification of process document. 7.2 Requirements of materials before put into production 7.2.1 Before each batch of materials put into production of bursting discs, re- inspection of the chemical component, mechanical property and supply state shall be carried out shall be in accordance with relevant standards, to recheck the uniformity and integrative mechanical property of materials. 7.3 Forming requirements 7.3.1 Forming of bursting disc safety device assemblies shall meet the requirements of corresponding design drawings and manufacture processes. 7.3.2 After edge forming of orifices or seams of bursting discs, bursting disc holders and back pressure supports, the burrs shall be removed, and the other defect which may result in damage of bursting discs or sealing lining (coating). 7.4 Assembly requirements 7.4.1 All the spare parts may be assembled after passed the inspection. 7.4.2 For bursting disc safety devices with replaceable bursting disc assembly, before the assembly, the signs of bursting disc and bursting disc holder shall be carefully checked to confirm their compatibility. 7.4.3 Bursting disc safety devices with non-replaceable bursting disc assembly shall meet the following requirements. 7.5 Inspection Before and after the completion of the production and manufacture of all bursting disc safety device assembly, the visual inspection shall be carried out for the defects of all the parts; 7.5.1 Appearance inspection Appearance inspection of bursting discs shall meet the following requirements. 7.5.2 Compactness inspection For the bursting disc safety device with sealing lining or anticorrosion lining, the spark leak detector may be adopted for the compactness inspection of sealing lining or anticorrosion lining. For special requirements, other methods may be adopted for the leakage check. 7.5.3 Corrosion resistance inspection The corrosion resistance of the material, anticorrosion lining or lining (plating) contacted with the corrosion medium shall be confirmed through the corrosion test, and the test methods shall fulfil the following requirements.8 Test Method8.1 Bursting test 8.1.1 Sampling quantity in bursting test The test samples shall be taken out randomly from the same batch of bursting discs with qualified surface quality. The sampling quantity shall be in accordance with those specified in Table 1. 8.1.2 Requirements of performance tolerance The performance tolerance shall be in accordance with those specified in Table 2.The special requirements may be confirmed through negotiation between the supplier and the purchaser or the designer of pressure equipment; however, such tolerances shall not exceed the specified values of Table 2. 8.1.3 Manufacture range The manufacture range of the bursting disc shall be determined through negotiation between the supplier and the purchaser or the designer of pressure equipment according to Appendix B of this Part. 8.1.4 Bursting test system Bursting test system shall cover the following contents. 8.1.5 Discharge outlet, diameter and orifice structure of the bursting disc holder for bursting test The discharge outlet, diameter and orifice structure of the bursting disc holder for bursting test shall be the same as that of the actually used bursting disc holder. 8.1.6 Pressure medium used for bursting test The pressure medium used for bursting test shall be consistent with the phase state of the actual working medium used for bursting disc, and shall meet the following requirements. 8.1.10 Bursting test temperature Bursting test temperature shall fulfils the following requirements. 8.1.11 The pressure boosting rate of bursting test. the inlet pressure of device shall be boosted to 90% of the minimum bursting pressure, and then held for at least 5s.Subsequently, the pressure shall be increased stably and continuously, it is required to accurately read out the minimum indicating value of the pressure gauge during the pressure boosting process and the pressure boosting rate is not less than 0.1 % of the bursting pressure per second until the bursting of the bursting disc, and this process shall not exceed 120s.9 Inspection Rules9.1 Inspection classification Inspection of bursting disc safety devices is divided into exit-factory inspection and type test. 9.3 Type test Type test of bursting disc safety devices shall be in accordance with this Part and relevant safety technique specifications, and the type test items shall be in accordance with those specified in Table 4. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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