GB/T 3836.13-2021 English PDFUS$1099.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3836.13-2021: Explosive atmospheres - Part 13: Equipment repair, overhaul, reclamation and modification Status: Valid GB/T 3836.13: Historical versions
Basic dataStandard ID: GB/T 3836.13-2021 (GB/T3836.13-2021)Description (Translated English): Explosive atmospheres - Part 13: Equipment repair, overhaul, reclamation and modification Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K35 Word Count Estimation: 61,633 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 3836.13-2021: Explosive atmospheres - Part 13: Equipment repair, overhaul, reclamation and modification---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Explosive atmospheres - Part 13.Equipment repair, overhaul, reclamation and modification ICS 29.260.20 CCSK35 National Standards of People's Republic of China Replace GB 3836.13-2013 Explosive environment Part 13.Repair, overhaul, repair and modification of equipment (IEC 60079-19.2019,Explosiveatmospheres- Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsForeword Ⅲ Introduction Ⅵ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General requirements 4 4.1 General 4 4.2 User Rules 5 4.3 Rules for Repair Unit 6 5 Additional requirements for the repair and overhaul of the flameproof type "d" 14 5.1 Scope of application 14 5.2 Repair and overhaul 15 5.3 Repair 17 5.4 Changes and modifications 19 6 Additional requirements for intrinsically safe "i" repair and overhaul 20 6.1 Scope of application 20 6.2 Repair and overhaul 20 6.3 Repair 23 6.4 Retrofit 23 7 Additional requirements for repair and overhaul of positive pressure type "p" 23 7.1 Scope of application 23 7.2 Repair and overhaul 23 7.3 Repair 25 7.4 Changes and modifications 26 7.5 Positive pressure system 26 8 Additional requirements for repair and overhaul of increased-safety "e" equipment 27 8.1 Scope of application 27 8.2 Repair and overhaul 27 8.3 Repair 30 8.4 Changes and modifications 31 9 Additional requirements for repair and overhaul of "n" type equipment 32 9.1 Scope of application 32 9.2 Repair and overhaul 32 9.3 Repair 35 9.4 Changes and modifications 36 10 Additional requirements for equipment repair and overhaul involved in GB 3836.20 36 11 Additional requirements for repair and overhaul of "t" type (formerly "tD" or DIP) equipment 36 11.1 Scope of application 36 11.2 Repair and overhaul 37 11.3 Repair 39 11.4 Changes and modifications 39 12 Requirements for repair and overhaul of liquid immersion type "o" 40 12.1 Scope of application 40 12.2 Repair and overhaul 40 12.3 Repair 41 12.4 Retrofit 41 13 Requirements for repair and maintenance of sand-filled mold "q" 41 13.1 Scope of application 41 13.2 Repair and overhaul 41 13.3 Repair 42 13.4 Retrofit 42 14 Requirements for repair and overhaul of special type "s" 42 15 Requirements for repair and overhaul of resistance heating cable 42 Appendix A (Normative) Knowledge, skills and qualifications of the person in charge and repair personnel 43 Appendix B (Normative) Marking after repair of electrical equipment 45 Appendix C (informative) Additional requirements related to "Ex" control equipment 47 Appendix D (Normative) Measurement requirements for flameproof equipment during repair, overhaul and repair (including tolerance guidelines) 49 Appendix E (informative) Best practice evaluation when rewinding and repairing 51 References 52 Explosive environment Part 13.Repair, overhaul, repair and modification of equipment1 ScopeThis document provides technical guidance for the repair, overhaul, repair and transformation of equipment designed for use in explosive environments. This document applies to the repair, overhaul, repair and transformation of explosion-proof equipment to reduce defects found during operation, inspection and maintenance. This document does not give recommendations on cables and wiring systems that may need to be updated when the equipment is reinstalled. This document does not apply to encapsulated type "m".2 Normative referencesThe content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 3836.1 Explosive environment Part 1.General requirements for equipment (GB/T 3836.1-2021, IEC 60079-0. 2017, MOD) GB/T 3836.2 Explosive atmosphere Part 2.Equipment protected by flameproof enclosure "d" (GB/T 3836.2-2021, IEC 60079-1.2014, MOD) GB/T 3836.3 Explosive atmosphere Part 3.Equipment protected by increased safety "e" (GB/T 3836.3-2021, IEC 60079-7.2015, MOD) GB/T 3836.4 Explosive atmosphere Part 4.Equipment protected by intrinsically safe "i" (GB/T 3836.4-2021, IEC 60079-11.2011, MOD) GB/T 3836.6 Explosive atmosphere Part 6.Equipment protected by liquid immersion type "o" (GB/T 3836.6-2017, IEC 60079-6.2015, MOD) GB/T 3836.8 Explosive atmosphere Part 8.Equipment protected by "n" type (GB/T 3836.8-2021, IEC 60079-15. 2017, MOD) GB/T 3836.15 Explosive atmosphere Part 15.Design, selection and installation of electrical devices (GB/T 3836.15-2017, IEC 60079-14.2007, MOD) GB 3836.20 Explosive atmosphere part 20.Equipment with equipment protection level (EPL) of Ga level (GB 3836.20-2010, IEC 60079-26..2006, IDT) GB/T 4208 Enclosure protection grade (IP code) (GB/T 4208-2017, IEC 60529.2013, IDT) GB/T 19518.1 Resistance Heat Tracing in Explosive Environment Part 1.General and Test Requirements (GB/T 19518.1-2017, IEC 60079-30-1.2007, MOD) GB/T 19518.2 Resistance Heat Tracing in Explosive Environment Part 2.Guidelines for Design, Installation and Maintenance (GB/T 19518.2- 2017, IEC 60079-30-2.2007, MOD) GB/T 21205 Specification for refurbishment of rotating electrical machines (GB/T 21205-2007, IEC 60034-23..2003, IDT)3 Terms and definitionsThe following terms and definitions defined in GB/T 3836.1 apply to this document. Additional requirements for the explosion-proof type are proposed. In the case of equipment containing multiple explosion-proof types, the corresponding clauses shall be adopted. If the "m" type is used together with other explosion-proof types (such as "d" or "e"), the relevant provisions of this document apply to other explosion-proof types Overhaul or repair, but if the "m" part is defective, it can only be replaced. Note 1.There is no additional requirement for liquid immersion type "o". When the following conditions are met, repairs and overhauls that affect the explosion-proof type shall be deemed to comply with the engineering drawing. a) Use the manufacturer's parts or parts that meet the requirements of the 4.3.2.4 document; b) Perform repairs or changes in accordance with the detailed instructions in this document and engineering drawings; and c) It is carried out by qualified personnel who meet the requirements of 4.3.2.2. If there is no document that meets the requirements of 4.3.2.4.1, the equipment repair or overhaul shall be carried out in accordance with this document and other relevant standards and the equipment shall be Prepare for initial verification. The repair organization shall record the steps of obtaining relevant documents in the repair organization record (see 4.3.2.4.3). If it is equipment modification, it should meet the requirements of 4.3.2.6, and it is required to obtain the explosion-proof certificate again, or the equipment is no longer suitable for hazardous use place. Note 2.The relevant documents of Class I equipment cannot be repaired unless it is retested and a new explosion-proof certificate is issued. If repair or modification techniques that do not conform to this document are used, it is necessary to consult the manufacturer and/or explosion-proof inspection agency to determine the equipment. Whether the equipment is suitable for continued use in an explosive environment. 4.2 User Rules 4.2.1 Explosion-proof certificate and engineering drawings Equipment users should understand any relevant regulations related to regular inspections and verifications to ensure electrical equipment installed in explosive environments Is appropriate. The user should consider whether there are sufficient facilities and capabilities to undertake the user’s repair or overhaul of such equipment, or whether it should be Contracted to professional repair and overhaul service providers. In addition, users should provide sufficient information to third-party service facilities and installers to perform Fulfill occupational health and safety obligations. The user is responsible for obtaining the explosion-proof certificate of the equipment and other related documents (see 4.3.2.4) as part of the original factory equipment purchase agreement. part. 4.2.2 Records and work instructions All relevant documents (see 4.3.2.4.1) obtained as part of the original purchase contract and records of any previous repairs, overhauls or modifications The recording should be kept in the verification file and provided to the repair unit. Note. Generally, files and records are kept in the user's certificate file during the service life of the equipment. In any possible situation, it is to maintain the user’s benefit to inform the repair unit of the faults and characteristics of the repaired product and specific use information. Benefits, for example, a motor is powered by a frequency converter. Special requirements specified in the user manual and supplements to different standards, such as repair orders for improved protection levels, special environmental conditions, etc. You should pay attention. The repairer should be informed to comply with any statutory requirements of the equipment explosion-proof certificate. 4.2.3 Repair equipment and reinstall The repaired equipment should be reinstalled in accordance with GB/T 3836.15. Note. GB/T 3836.15 requires that the cable or wiring system be checked before re-testing to ensure that they are intact and conform to the corresponding explosion-proof type of equipment Require. 4.2.4 Repair unit Specific requirements in relevant national or regional regulations may apply to repair or overhaul operations. Note. The user may need to confirm that the relevant repair unit can prove compliance with the relevant provisions of this document and any regulatory requirements. 4.3 Details of the repair organization 4.3.1 Legal requirements The repair unit (which may be the manufacturer, user or third party) should understand any specific requirements in the relevant national or regional regulations. Can manage repair and maintenance operations. 4.3.2 Repair and overhaul 4.3.2.1 General The repair organization shall operate an effective quality management system, which shall include the following detailed requirements. Note. GB/T 19001 and GB/T 3836.21 provide additional guidance. a) Each repair unit should designate a qualified person (person in charge) in the management organization (see Appendix A) to assume management responsibilities and management work, Ensure that the equipment meets the verification status agreed with the user after repair/overhaul. The appointed person shall have the corresponding explosion-proof standards and this Operational knowledge of the file. b) A quality process plan should be developed, including appropriate inspection, diagnosis, testing and inspection procedures to ensure that repairs and overhauls meet the requirements of this document The functional and compliance requirements of other relevant standards, or Ex equipment explosion-proof qualification certificate and engineering drawings, so as to be able to confirm to users Applicability of reinstallation in hazardous locations is recognized. c) The repair unit shall formulate procedures or work instructions for the inspection and repair of explosion-proof equipment. d) The repair organization shall identify and record the scope of test and measurement capabilities and their use restrictions in the repair and overhaul of explosion-proof equipment. e) The repair organization shall maintain the measurement equipment calibration system in accordance with national standards. f) The repair unit should keep records, which should be clear and easy to read, and provide traceability of the measurement results to the calibration instrument for the specific measurement of the record. The records should be searchable within the specified storage period. g) When carrying out dimensional and electrical measurements, the repair unit should record the values of "measurement before adjustment" and "measurement after calibration and adjustment" in the report. For future reference. h) The repair organization shall develop an internal audit plan to illustrate the effectiveness of the repair organization in meeting the requirements of this document. i) If a certain process may affect the integrity of an explosion-proof type, and the resulting integrity cannot be verified after repair, then This particular process is measured and monitored to prove compliance with the required parameters. j) If testing is required, it should be carried out in accordance with the provisions of this document or other relevant standards, and sampling is not allowed. k) When unqualified equipment is found, the repair organization should assess the risk to determine any remedial measures required. The repair organization should keep a record The record identifies the user and the full details of the remedial measures taken. l) The repair unit should have sufficient repair and overhaul facilities, corresponding necessary equipment, trained personnel with required qualifications and authorization Personnel (see Appendix A) and the management organization that conducts work for specific types of explosion protection. m) The repair organization should evaluate the condition of the equipment to be repaired, and agree with the user on the expected verification status and the required verification status after the equipment is repaired. Scope of repair work. n) Any overhaul or repair should require the repair unit to confirm all explosion-proof requirements related to the explosion-proof type, so as to be able to verify compliance Compliance with engineering drawings or other relevant standards, including any specific conditions of use. This should include the Reasonably consider the omission of any tests included. o) The assessment should be archived, and the relevant provisions of the appropriate explosion-proof type standard (this document) should be stated and included in the work report submitted to the user. In the report. Such assessments should be carried out by the person in charge and supported by appropriate operators. The person in charge should only prove that he is capable The explosion-proof type of the force is evaluated. p) Maintenance activities can only be carried out outside the repair organization where the quality management system allows the work to be completed in other locations, that is, through the generation of attachments. Add procedures and records to record inspections or repairs. 4.3.2.2 Qualification The personnel directly involved in equipment repair or overhaul shall be qualified personnel or personnel under the supervision of qualified personnel. Is the qualification right? The same specific types of work. Training and qualification assessment shall comply with the regulations in Appendix A. 4.3.2.3 Repair of components When components of explosion-proof equipment are taken away from the site for maintenance, such as the rotor of the motor or The relevant explosion-proof type standard requires certain tests to be carried out. The repairer should record the details of the Form to notify users. 4.3.2.4 File 4.3.2.4.1 General The repair organization shall try to obtain all necessary information and data required for equipment repair or overhaul from the user or manufacturer. This should include Examine relevant explosion-proof type standards, engineering drawings, and information related to previous repairs, overhauls or modifications. The repair organization shall keep and refer to copies of any relevant explosion-proof type standards that the repaired/overhauled equipment complies with. The data required for repair or overhaul of engineering drawings and related drawings depends on the type of equipment being repaired and the type of explosion-proof. These data can Including but not limited to the following details. a) Technical conditions; b) drawings; c) Related explosion-proof type; d) Operating conditions (such as environment, power supply (whether inverter is used), grease, working system, etc.); e) Disassembly and assembly instructions; f) If specified, the equipment explosion-proof certificate and engineering drawings with special conditions of use are attached; g) signs (including explosion-proof signs); h) Suggested methods of equipment installation, operation, maintenance, repair or overhaul; i) Spare parts catalog; j) A summary of previous product repair history, including the information listed in 4.2.2. The above information can be adjusted. Note. GB/T 3836.1 requires manufacturers to prepare instructions, including instructions on repairs. 4.3.2.4.2 Work records for users After the repair work is completed, a work report should be submitted to the user to be included in the user's verification file. The work report should contain at least the following content. a) Failure inspection status; b) Description of repair and overhaul; c) Replace and repair parts catalog; d) The results of all inspections and tests (if necessary, the details are very useful to the unit that repairs in the future); e) Inconsistent comparison with the results of the criteria that should be met; f) A copy of the user contract or order; and g) The repair qualification mark in Appendix B. The storage time of repair/overhaul work records should be negotiated with the user, and the stored data should be managed to ensure easy retrieval. For repairs that do not provide the equipment explosion-proof qualification certificate and engineering drawings described in 4.3.2.4.1, the repair report should include the following. a) For the specific explosion-proof type that does not conform to the original manufacturer of the equipment, the repair is in accordance with the manufacturer's instruction manual or the appropriate explosion-proof standard A description of the requirements; b) The repairer does not have sufficient evidence to prove that it is in full compliance with the equipment explosion-proof certificate and engineering drawings; c) In the process of repair or overhaul, any special conditions of use are reviewed, and any relevant conditions of use are determined and considered. statement. 4.3.2.4.3 Records of the repair organization The records kept by the repair organization are. a) Copies of the old and new versions of the relevant technical standards. b) The evaluation of the quality standard of the repair unit includes. 1) The quality assessment plan of the repair unit; 2) Test instrument calibration; 3) Personnel qualifications and training records; 4) Procurement control procedures; 5) User appeal handling; 6) Internal and (if necessary) external audit documents; 7) Management review; 8) Process control procedures; 9) Manufacturer's drawing details. c) Work records include. 1) Steps to obtain an explosion-proof certificate and engineering drawings; 2) The mechanical inspection records that meet the relevant standards, including the traceability of the instrument used and the pass/fail criteria; 3) Identification of defects; 4) Electrical test records before and after repair, including the traceability of the instrument used and the pass/fail criteria; 5) Explosion-proof certifica......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3836.13-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 3836.13-2021_English as soon as possible, and keep you informed of the progress. 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