TSG R7001-2004《压力容器定期检验规则》

TSG特种设备安全技术规范 TSG R7001-2013压力容器定期检验规则Pressure Vessel Periodical Inspection Regulation中华人民共和国国家质量监督检验检疫总局颁布2013年1月16日前言2009年11月，国家质量监督检验检疫总局（以下简称国家质检总局）特种设备安全监察局（以下简称特种设备局）下达修订《压力容器定期检验规则》（以下简称定检规）的任务书，2010年1月，中国特种设备检测研究院（以下简称中国特检院）组织有关专家成立修订工作组，在北京召开第一次会议，讨论定检规修订的原则、重点内容及主要问题，并且就修订工作进行了具体分工，制定了修订工作时间表。

2010年5月，工作组在合肥召开了第二次会议，经过讨论，形成了定检规征求意见稿。

2010年6月，特种设备局以质检特}[2010]31号文征求意见。

2010年10月，工作组根据征求的意见，研究处理形成送审稿。

在修订过程中，特种设备局还多次.与工作组召开专题会议，研讨定检规修订过程中的重大问题。

2010年11月，特种设备局将送审稿提交给国家质检总局特种设备安全技术委员会审议，工作组根据审议意见修改后形成了报批稿。

2013年1月16日，本规则由国家质检总局批准颁布。

本次修订工作的基本原则，与《特种设备安全监察条例》、《固定式压力容器安全技术监察规程》（TSG 80004）和《移动式压力容器安全技术监察规程》（TSG 80005）协调一致；根据5年来的实际使用情况以及行业发展，调整、完善不适应的内容，新增加附件E非金属及非金属衬里压力容器定期检验专项要求；明确定期检验的性质、定位及检验周期的含义，按国家质检总局及信息化工作要求，统一检验结论及结论报告内容；理清使用单位、，检验机构、监察机构的义务；明确检验机构、检验人员的义务与分工；在考虑基本安全要求的基础上，建立基于损伤模式、失效模式制定针对性检验方案的思想，突出检验项目的针对性、有效性、科学性；为新检验检测技术、评定方法的应用，给出渠道；吸纳成熟的科技成果，理清与常规检验方法的关系；方便企业，服务于企业的发展；兼顾国际发展，具有中国特色；安全技术规范与相应标准协调一致，为在用设备检验标准的制定留出接口。

TSG R7001-2004-11-4压力容器定期检验规则Pressure Vessels Periodical Inspection Regulation中华人民共和国国家质量监督检验检疫总局颁布2004年6月23日目录第一章总则 (1)第二章年度检查 (3)第三章全面检验 (9)第四章耐压试验 (17)第五章安全状况等级评定 (19)第六章附则 (24)附件一移动式压力容器定期检验附加要求 (26)附件二医用氧舱定期检验要求 (34)附件三安全阀校验要求 (47)附录1 压力容器年度检查报告 (52)附录2 压力容器全面检验报告 (55)附录3 耐压试验报告 (75)附录4 特种设备检验意见通知书 (76)压力容器定期检验规则第一章总则第一条为了保证在用压力容器定期检验工作的质量，确保压力容器安全运行，防止事故发生，根据《特种设备安全监察条例》、《压力容器安全技术监察规程》（以下简称《容规》）的有关规定，制定本规则。

第二条本规则适用于属于《容规》适用范围的压力容器的年度检查和定期检验。

其中，在用罐车（以下简称罐车）、在用罐式集装箱（以下简称罐式集装箱）的年度检查和定期检验，除符合本规则正文的有关要求外，还应当遵照本规则附件一《移动式压力容器定期检验附加要求》的规定。

第三条年度检查，是指为了确保压力容器在检验周期内的安全而实施的运行过程中的在线检查，每年至少一次。

固定式压力容器的年度检查可以由使用单位的压力容器专业人员进行，也可以由国家质量监督检验检疫总局（以下简称国家质检总局）核准的检验检测机构（以下简称检验机构）持证的压力容器检验人员进行。

第四条压力容器定期检验工作包括全面检验和耐压试验。

（一）全机检验是指压力容器停机时的检验。

全面检验应当由检验机构进行。

其检验周期为：1、安全状况等级为1、2级的，一般每6年一次；2、安全状况等级为3级的，一般3~6年一次；3、安全状况等级为4级的，其检验周期由检验机构确定。

压力容器检验员考试试题库一、名词解释1.压力容器：2.压力容器的最高工作压力（《压力容器安全技术监察规程》：3.全面检验（TSG R7001－2004《压力容器定期检验规则》）：4.耐压试验（TSG R7001－2004《压力容器定期检验规则》）：5.设计厚度：二、选择题1.《特种设备安全监察条例》是一部――――。

a.安全法规b.行政规章c.法律d.行政法规2.特种设备检验检测机构，应当依照《特种设备安全监察条例》规定，进行检验检测工作，对其检验检测结果、鉴定结论承担――――。

a.经济责任b.工作质量责任c.法律责任3.《特种设备安全监察条例》规定，特种设备生产单位对其生产的特种设备的――――负责。

a.安全性能b.产品质量4.下列叙述哪些符合《特种设备安全监察条例》的规定？――――a.特种设备安装、改造、维修的施工单位应当在施工前将拟进行的特种设备安装、改造、维修情况口头告诉直辖市或者设区的市的特种设备安全监督管理部门，告知后即可施工。

b.特种设备安装、改造、维修的施工单位应当在施工前将拟进行的特种设备安装、改造、维修情况口头告知直辖市或者设区的市的特种设备安全监督管理部门，经同意后方可施工。

c.特种设备安装、改造、维修的施工单位应当在施工前将拟进行的特种设备安装、改造、维修情况书面告知直辖市或者设区的市的特种设备安全监督管理部门，告知后即可施工。

d.特种设备安装、改造、维修的施工单位应当在施工前将拟进行的特种设备安装、改造、维修情况书面告知直辖市或者设区的市的特种设备安全监督管理部门，经批准后方可施工。

5.根据《特种设备检验检测机构管理规定》，判断下列有关检验检测活动的叙述哪些是正确的？――――a.检验检测跨地区从事检验检测工作时，应当在检验检测后书面告知负责设备登记的质量技术监督部门。

b.检验检测机构跨地区从事检验检测工作时，应当在检验检测前书面告知负责设备登记的质量技术监督部门。

并应当按有关规定，将检验检测结果报负责设备注册登记的质量技术监督部门。

附件：《压力容器定期检验规则》（TSG R7001-2004）第3号修改单（对2004年8月1日第1版及其第2号修改单的修改）1. 目录修改内容按照第2号修改单，在“附件三小型制冷装置中压力容器定期检验专项要求”下一行加“附件四长管拖车定期检验专项要求”。

2. 正文修改内容3. 附件修改内容将附件四《长管拖车定期检验专项要求》及其内容插入附件三《小型制冷装置中压力容器定期检验专项要求》之后，另起一页。

附件四的内容如下：附件四长管拖车定期检验专项要求一、总则（一）本专项要求是在本规则的框架下，对在用长管拖车定期检验提出的具体要求。

（二）本专项要求适用于正常环境温度下(-40～60℃)使用、公称工作压力(标记工作压力)不大于30 MPa、公称水容积(单只气瓶)为500～3000L、用于运输表4-1中规定气体的在用长管拖车年度检查和定期检验。

长管拖车包括气瓶、附件(包括端塞、阀门、管路、快装接头等)、安全附件、气瓶固定装置(框架或捆绑带)、车辆部分等部件。

本专项要求不适用于长管拖车车辆部分的检验。

（三）年度检查和定期检验周期如下：1. 年度检查，每年至少1次，选择在适当时机进行；2. 按照所充装介质不同，定期检验周期见表4-1；3. 定期检验用声发射检测替代外测法水压试验时，充装A类介质的长管拖车定期检验周期为3年，充装B类介质的长管拖车定期检验周期为4年。

表4-1定期检验周期（四）有下列情形之一的长管拖车，应当提前进行定期检验：1. 发现有严重腐蚀、损伤或者对其安全使用有怀疑的。

2. 充装介质中,腐蚀成份含量超过相关标准规定的。

3. 发生交通、火灾等事故，造成对安全使用有影响的。

4. 停用时间超过1年，启用前。

5. 年度检查发现问题,而且影响安全使用的。

（五）当年度检查、定期检验在同一年度进行时，应当依次进行定期检验、年度检查，其中定期检验已经进行的项目，年度检查时不再重复进行。

（六）年度检查可由使用单位或者制造单位进行，定期检验应当由国家质检总局核准的具备长管拖车定期检验专项资格的检验机构进行。

2022年吉林省辽源市特种设备作业安全阀校验F模拟考试(含答案)学校:________ 班级:________ 姓名:________ 考号:________一、单选题(10题)1.安全阀型号为A11H，其第一个符号“1”代表连接形式为（）。

A.对夹联接B.内螺纹联接C.外螺纹联接D.法兰联接2.安全阀整定压力试验不得少于多少次，且每次都必须达到相应标准的合格要求？（）A.2次B.3次C.4次D.5次3.《移动式压力容器安全技术监察规程》规定：罐体安全阀的整定压力为罐体设计压力的()倍。

A.1.04-1.06B.1.05-1.08C.1.03-1.08D.1.05-1.104.安全阀的阀杆发生明显弯曲时，应采取()办法进行处理。

A.车削方式B.找正校直C.自然时效D.维持原样5.型号为A41F的安全阀，其F代表的阀门密封面或衬里材料是（）。

A.橡胶B.衬胶C.氟塑料D.衬铅6.根据TSGR7001-2004《压力容器定期检验规则》的规定：压力容器内盛装毒性程度低度以及低度以下的气体介质，工作温度不大于200℃，其安全阀校验周期最长可延长至()。

A.1年B.2年C.3年D.5年7.根据GB/T12243-2005《弹簧直接载荷式安全阀》的规定，球墨铸铁阀体的安全阀限用于公称压力()MPa及以下。

A.1B.1.6C.2.5D.48.与美国ANSI16.5中公称通径2in对应的公称通径是()mm。

A.25B.40C.50D.659.安全阀校验的目的是：_____。

A.为了保证安全阀各项技术性能指标满足法规、标准的要求B.主要保证整定压力和密封性能C.保证安全阀的机械性能D.保证安全阀的有效性10.中压安全阀的公称压力PN为()。

A.≤1.6MPaB.≤4.0MPaC.2.5~6.4MPaD.≤10MPa二、单选题(10题)11.根据GB／T12243－2005《弹簧直接载荷式安全阀》的规定，对于蒸汽动力锅炉用安全阀，当整定压力大于0.4Mpa时，启闭压差为（）。

TSG特种设备安全技术规范TSG Safety Technical Specification for Special EquipmentTSG R7001-2004压力容器定期检验规则Pressure Vessels Periodical Inspection RegulationIssued by State General Bureau of Quality Supervision, Inspection and Quarantine of the People’s Republic of ChinaJune 23, 2004ContentsChapter 1 General (3)Chapter 2 Annual Examination (6)Chapter 3 Overall Inspection (14)Chapter 4 Pressure Resistance Test (25)Chapter 5 Evaluation of Class of safety Status (29)Chapter 6 Supplementary Provisions (36)Appendix I Additional Requirement for Periodical Inspection of Movable Pressure Vessels (38)Appendix II Requirement for Periodical Inspection of Medical Use Oxygen Cabin (48)Appendix III Requirement for Calibration of Safety V alves (63)Annex I Annual Examination Report on Pressure V essels (69)Annex II Overall Inspection Report on Pressure V essels (72)Annex III Report on Pressure Resistance Test (92)Annex IV Notice of Comments on Inspection of Special Equipment (1) (93)Pressure Vessels Periodical Inspection RegulationChapter 1 GeneralArticle 1 To guarantee the quality of periodical inspection of in-use pressure vessels and to secure safe running of pressure vessels as well as to avoid occurrence of any accident, this regulation is worked out in accordance with the Safety Supervision Regulation for Special Equipment and Safety Technical Supervision Regulation for Pressure Vessels (hereinafter referred to as RPV).Article 2 This regulation applies to annual examination and periodical inspection of pressure vessels within the scope of application of pressure vessels, annual examination and periodical inspection of in-use truck tanks (hereinafter referred to as truck tanks) and in-use tank containers (hereinafter referred to as tank containers) shall, apart from compliance with relevant requirements in the text of this regulation, also follow what specified in Appendix I of this regulation the Additional Requirement for Periodical Inspection of Movable Pressure Vessels.For annual examination and periodical inspection of in-use medical oxygen cabins (hereinafter referred to as oxygen cabins for medical use, abbreviated as MUOC), Appendix II of this regulation the Requirement for Periodical Inspection of Oxygen cabins for medical use shall apply.Article 3 Annual examination is the in-line examination during the running to secure the safety of pressure vessels within the inspection interval, which shall be done at least one a year. Annual examination of fixed pressure vessels may be done either by pressure vessel professional personnel of the user organization, or by certified pressure vessel inspection personnel of inspection organization (hereinafter referred to as inspection organization, abbreviated as IO) which is approved by the State General Bureau of Quality Supervision, Inspection and Quarantine (hereinafter referred to as SGBQI).Article 4 Periodical inspection of pressure vessels includes overall inspection and pressure resistance test.1. Overall inspection is the inspection at the halt of pressure vessels, which shall be done byIO. The inspection interval shall be:(1) For pressure vessels with safety status of Class 1 or Class 2, in general, it shall beonce 6 years;(2) For pressure vessels with safety status of Class 3, in general, it shall be once 3 ~ 6years;(3) For pressure vessels with safety status of Class 4, in general, it shall be determinedby IO.The evaluation of safety status of pressure vessels shall be done in accordance with Chapter 5 of this regulation.2. Pressure resistance test is the hydraulic test or air pressure test at pressure exceeding max.working pressure done after qualification of overall inspection of pressure vessels. In principle, within the period of two overall inspections, one pressure resistance test shall be done.In case the overall inspection, pressure resistance test and annual examination are done in same year, the sequence shall be overall inspection, pressure resistance test and annual examination, the items which have been overall inspected may not be examined in annual examination repeatedly.For pressure vessels for which overall inspection and pressure resistance test cannot be done or cannot be done in schedule, Article 138 of RPV shall apply.Article 5 First overall inspection shall be done to pressure vessels which have been put into operation for 3 years. The next overall inspection interval shall be determined by IO according to the results of this inspection based on relevant stipulations of Article 4 of this regulation.1. Overall inspection interval for pressure vessels of any of following cases shall beshortened appropriately:(1) The corrosion of medium to vessel material is not clear or the annual corrosion rateof medium to material is > 0.25mm, or the corrosion data determined by designer is not in conformity with actual condition;(2) The surface quality of material is bad or there is internal defects;(3) Application condition is severe or stress corrosion is found in application;(4) The application term exceeds 20 years and it is determined by inspectors or bytechnical verification that the normal inspection interval cannot secure the safe application;(5) The application is stopped for more than 2 years;(6) Medium is changed and there is possibility of worse corrosion;(7) Design drawing shows that pressure resistance test can not be made;(8) During the inspection, other factors affecting safety are doubtable;(9) Medium is LPG and there is stress corrosion, overall inspection shall be made everyyear or on necessary;(10) In case the process is used to make paper and no anti-corrosion measures are taken,overall inspection shall be made at least once a year for steam balls;(11) Spherical tanks (made of material of lower limit of standard tensile strength σb≥540Mpa, open tank inspection shall be made to them after putting into operation for one year.);(12) E quipment of glass lining.2. Overall inspection interval for pressure vessels with safety status of Class 1 or Class 2 ofany of following cases shall be shortened appropriately:(1) Inspection interval for those of good non-metal lining can be prolonged to 9 years;(2) In case the corrosion rate of medium to material is < 0.1mm (actually measured data)and there is reliable corrosion resistance metal lining（composite steel plate）or hot-sprayed metal coat (aluminum powder or stainless steel) and it is confirmed after1 ~2 overall inspections that the corrosion is light or the lining is good, theinspection interval can be prolonged to 12 years;(3) For reactors filled with catalyst and large pressure vessels packed with fillingmaterial, the inspection interval shall be determined by user organization, designer and IO after discussion in accordance with design drawings and actual application conditions, which shall be reported to the quality technical supervision department where the Application Register Card was applied and obtained (hereinafter referred to as Certificate Issuing Organ, abbreviated as CIO) for record.Article 6 The accumulated application time for pressure vessels under monitoring with safety status of Class 4 shall not exceed 3 years. During the app lication period under monitoring, defects shall be treated to raise the class of safety status , otherwise they shall not be used further.Article 7 Pressure resistance test shall be made after overall inspection to pressure vessels of any of following cases is made and qualified:1. Pressure elements are replaced by the way of welding;2. The depth of remedy welding for pressure element is > 1/2 wall thickness;3. Application condition is changed and the original design parameters are exceeded andafter strength verification, it is qualified;4. Those needing lining replacement (pressure resistance test shall be done before liningreplacement);5. Application is resumed after 2 years’ stoppage;6. It is replanted from external organization or from same organization;7. The user organization or IO has doubt about the safety status of the pressure vessel.Article 8 IO and inspectors engaging in periodical inspection of pressure vessels shall makeinspection strictly in accordance with the scope of inspection approved. IO and inspectors shall accept supervision of local quality technical supervision department and shall be responsible for the correctness of the results of periodical inspection of pressure vessels.Prior to the inspection, IO shall work out inspection scheme, which shall be checked and approved by technical responsible person authorized by IO. For inspection scheme for pressure vessels of special requirements, IO shall solicit opinion of user organization and original designer. In case of any discrepancy, the opinion of IO shall apply. Inspectors shall make inspection strictly in accordance with the approved inspection scheme.Article 9 User organization shall apply for periodical inspection of pressure vessels 30 days in advance the expiration date of inspection validity, meanwhile the application form for pressure vessels inspection shall be submitted to IO and CIO. IO shall fulfill inspection in accordance with inspection plan.Article 10 User organization shall closely cooperate with IO and well do the technical treatment after halt as well as safety checks before inspection in accordance with this regulation. Inspection shall not start until it is confirmed that it meets requirements for inspection. They shall also provide cooperation at inspection site.Chapter 2 Annual ExaminationArticle 11Annual examination of pressure vessels includes examination of safety management of pressure vessels by user organization, examination of pressure vessels themselves and their running status as well as examination of safety accessories of pressure vessels.The way of examination shall be mainly the macro examination, if necessary, thickness measuring, examination of wall temperature and measurement of content of corrosive medium as well as test of vacuum shall be made.Article 12 Prior to annual examination, user organization shall make following preparation ready:1. Cleaning of outer surface and environment of pressure vessels;2. Site lighting, protection for high position climbing and removal of local insulation shallbe done to meet the need of site examination;3. Technical files, running records as well as records of harmful impurities used for pressurevessels shall be ready;4. Regulations for safety management of pressure vessels as well as regulations for safetyoperation and certificates of operators shall be ready;5. During examination, management personnel and relevant personnel for pressure vesselsof user organization shall be present to assist examination and provide other informationexaminers needed.Article 13Before examination, examiners shall have an overall understanding of use condition and management condition of pressure vessels to be examined and seriously review technical files and management information of pressure vessels and relevant records shall be made.The examination of safety management conditions of pressure vessels shall include followings:1. Regulations for safety management and regulations for safety operation of pressurevessels, whether records are complete and true, look over desk exercises (or accounting books) of pressure vessels to be sure they are in conformity with actual condition;2. Examine file documents of drawings, application register cards, product qualitycertificates, instructions, supervision and inspection certificates, annual inspection reports in history, documents of reconstruction to be sure whether they are complete and meet requirements.3. Whether operators of pressure vessels are working in posts with certificate;4. Are issues referred in last inspection and examination reports solved?Article 14 For examination of pressure vessels themselves and their running condition, in general, insulation may not be removed unless required by examiners.Article 15 Examination of pressure vessels themselves and their running condition shall include followings:1. Whether the nameplate, color of painting, marks as well as painted application cardnumber meet relevant regulation?2. Whether there are crack, overheat, deformation, leakage or damage in the body,connecting places (valves, piping) and welding joints of pressure vessels;3. Whether there are damage, abnormal, frosting or dewing in outside surface;4. Whether there are damage, peeling off, damping or cold leakage of insulation;5. Whether there are liquid leakage or air leakage from leakage inspection holes or signalholes and whether leakage inspection holes are unimpeded;6. Whether there are abnormal vibration or abnormal sound or mutual friction betweenpressure vessels and adjoining piping or elements;7. Whether there is damage to supports or supporting seats, whether there are settlement,inclination, crack in foundation, whether fastening bolts are complete and in good order;8. Whether draining facilities (traps, drainage) are good;9. Whether there are over pressure, over temperature or over quantity during running;10. Whether earthing for tanks needing earthing meet requirements;11. The implementation of measures for those pressure vessels with safety status class ofClass 4 under monitoring and whether there is any abnormal situation;12. Whether safety-interlocking devices for pressure vessels of quick-open door meetsrequirements.Article 16 Inspection of safety accessories includes examination and calibration of pressure gauges, level gauges, temperature measuring instruments, disrupture disk devices and safety valves (for calibration requirements of safety valves, see Appendix III).1. Pressure gauges(1) Annual examination of pressure gauges shall at least include followings:(a) Type selection of pressure gauges;(b) Rules for periodical inspection and maintenance of pressure gauges, validity ofverification and the seal;(c) Appearance, class of precision, scale range and diameter of panel of pressuregauges;(d) The position, marks for opening as well as interlocking devices of T plugs andneedle valves installed between pressure vessels and pressure gauges;(e) Whether readings of pressure gauges in same system are same.(2) During annual examination, for any of following cases found, user organization shallbe asked to rectify them within limited time and effective measures shall be taken to secure the safe during the rectification period. In case they are not corrected beyond the time, the use of that pressure vessels shall be stopped temporarily:(a) Wrong selection of type;(b) Panel cover glass is broken or scale of graduation in panel is not clear;(c) Lead seal is damaged or it is beyond validity of verification;(d) There is leakage in the spring tube in instrument or the indicating hand ofpressure gauge is loose;(e) Indicating hand is tortured or broken or outer housing is seriously corroded;(f) Marks for opening of T plug or needle valves are not clear or the locking deviceis damaged.2. Level gauges(1) Annual examination of level gauges shall at least include followings:(a) Rules for periodical inspection and maintenance of level gauges;(b) Appearance and accessories of level gauges;(c) Selection of type of level gauges outdoor used in cold areas or fully filled withmedium with temperature below 0℃;(d) Protection device from leakage of level gauges used in pressure vessels forliquefied gases with flammable medium of toxicity degree of extreme and highhazard.(2) During examination, for any of following cases found, user organization shall beasked to rectify them within limited time and effective measures shall be taken to secure the safe during the rectification period. In case they are not corrected beyond the time, the use of that pressure vessels shall be stopped temporarily:(a) Inspection and maintenance period is beyond the specified period;(b) There is crack or break in glass plate (tube);(c) V alve elements are dead;(d) There is false level;(e) Indication of level gauge is not clear;(f) Wrong selection of type;(g) Protection device from leakage is damaged.3. Temperature measuring instruments(1) Annual examination of temperature measuring instruments shall at least includefollowings:(a) Rules for periodical verification, inspection and maintenance of temperaturemeasuring instruments;(b) The meeting of the scale range of temperature measuring instruments to therange of temperature to measure;(c) Appearance of temperature measuring instruments and their secondaryinstruments.(2) During examination, for any of following cases found, user organization shall beasked to rectify them within limited time and effective measures shall be taken to secure the safety during the rectification period. In case they are not corrected beyond the time, the use of that pressure vessels shall be stopped temporarily:(a) Inspection and maintenance period is beyond the specified period;(b) Instruments and their protection devices are broken;(c) Wrong selection of scale range of instruments.4.Disrupture disk devices(1) Annual examination of disrupture disk devices shall at least include followings:(a) Examine the disrupture disk devices to be sure whether they are beyond theapplication period specified in product instructions;(b) Examine the installation direction of the disrupture disk devices to be surewhether they are correct and check the blast pressure and temperature in nameplate to be sure whether they meet running requirements;(c) For the case in which the disrupture disk is used to release pressure separately(Figure 1), examine the globe valve between the disrupture disk and the vessel to be sure whether it is at full open status and whether the lead seal is good;(d) For the case the disrupture disk is used with safety valve in series and if thedisrupture disk is installed at the inlet side of the safety valve (Figure 2), examine the pressure indication of the pressure gauge installed between the disrupture disk and the safety valve, and open the globe valve to check whether there is air vent;Figure 1 Disrupture disk is used separately1 – Disrupture disk；2 – Globe valveFigure 2 Disrupture disk and safety valve are used in series (Disrupture disk is installed at inlet side of the safety valve)1 – Disrupture disk；2 – Globe valve；3 – Pressure gauge；4 – Safety valve(e) In case the disrupture disk is used with safety valve in series and if the disrupturedisk is installed at the outlet side of the safety valve (Figure 3), examine the pressure indication of the pressure gauge installed between the disrupture disk and the safety valve, if there is pressure indication, open the globe valve to check whether the trap and air vent is good;(f) For the case the disrupture disk is used with safety valve in parallel (Figure 4),examine the globe valve installed between the disrupture disk and the safety valve to be sure whether it is at full open status and whether the lead seal is in good order.Figure 3 Disrupture disk and safety valveare used in series(Disrupture disk is installed at outlet side ofthe safety valve)1 – Disrupture disk ；2 – Globe valve ；3 – Pressure gauge ；4 – Safety valveFigure 4 Disrupture disk and safety valve are used in parallel 1 – Disrupture disk ；2 – Globe valve ； 3 – Safety valve(2) During annual examination, for any of following cases found, user organization shallbe asked to replace the disrupture disk device and effective measures shall be taken to secure the safety during the replacing period. In case they are not replaced beyond the time, the use of that pressure vessel shall be stopped temporarily:(a) Application term of disrupture disk is beyond the specified period;(b) Wrong installation direction of the disrupture disk;(c) Rated blast pressure and temperature of the disrupture disk do not meet runningrequirements;(d) During application, when pressure exceeds rated blast pressure, it does not blast; (e) In case the disrupture disk is installed at the inlet side of the safety valve to beused with the safety valve in series, there is pressure indication in the pressuregauge installed between the disrupture disk and the safety valve or air leakswhen the globe valve is open.(f) Disrupture disk device leaks.(3) For annual examination of pressure vessels for which the disrupture disk device isseparately used as pressure release device or the disrupture disk is used with safety valve in parallel, in case the globe valve installed between the disrupture disk and the vessel is found to be not at full open status or the lead seal is damaged, user organization shall be asked to rectify them within limited time and effective measures shall be taken to secure the safety during the rectification period. In case they are not corrected beyond the time, the use of that pressure vessels shallbestopped temporarily5. Safety valves(1) Annual examination of safety valves shall at least include followings:(a) Whether the selection of type of safety valves is correct;(b) Whether the calibration validity of safety valve is expired;(c) For lever type safety valves, check the device which prevents the hammer fromfree movement and the lever from out-positioning of the lever to be sure they arein good order; for still weight type safety valves, check the device whichprevents the weight from flying off to be sure it is in good order.(d) In case globe valves are installed between safety valves and draining ports,check the globe valve to be sure they are at full open status and lead seal is ingood order.(e) Whether safety valves leak;(2) During annual examination, for any of following cases found, user organization shallbe asked to rectify them within limited time and effective measures shall be taken to secure the safety during the rectification period. In case they are not corrected beyond the time, the use of that pressure vessel shall be stopped temporarily:(a) Wrong selection of type;(b) Calibration and inspection validity is expired;(c) Lead seal is damaged;(d) Safety valves leak.Article 17 In general, safety valves shall be inspected and calibrated at least once a year. For safety valves of spring direct load type, the inspection and calibration interval may be prolonged appropriately subject to approval of technical responsible person of user organization and meeting what specified in this article.1. The inspection and calibration interval of the safety valves of spring direct load type,which meet all following conditions, may be prolonged to 3 years;(1) Manufacturer of safety valves has obtained manufacture license issued by the statequality inspection department;(2) Manufacturer of safety valves may provide certificate to proof that all springs havebeen strong pressure treated or strong pressure treated with heat in accordance with the standard the Safety Valves of Spring Direct Load Type GB / T 12243 – 1989, in addition, 10% (not less than 2 pieces) springs of same specification and same heat treatment furnace shall be measured at specified load for their deformation or rigidity and the error of the deformation or rigidity shall not be > 15%.(3) Material of internals of safety valves shall corrosion resistance to the medium;(4) Safety valves have never been opened during application;(5) No notable rust in pressure vessels and body of safety valve;(6) Medium of non-sticky and toxicity degree of intermediate or below is filled inpressure vessels.2. In case the user organization has established and executed perfect rules for use,management and maintenance of equipment and all of following conditions are met, it may also be prolonged to 3 years:(1) During 2 continuous running examinations, no problem listed in (2) of 5 in Article16 is found to any safety valve;(2) User organization has set up safety valve inspection and calibration station whichmeets requirements in Appendix III to make inspection and calibration of safety valves himself;(3) User organization has set up reliable pressure control and regulating device or overpressure alarming device.3. For safety valves of spring direct load type which meet requirements specified in (1), (3),(4) and (5) of 1 in this article as well as 2 of this article, the inspection and calibrationinterval may be prolonged to 5 years subject to they meet all following conditions:(1) Manufacturer of safety valves may provide certificate to proof that all springs havebeen strong pressure treated or strong pressure treated with heat in accordance with the standard the Safety Valves of Spring Direct Load Type GB / T 12243 – 1989, in addition, 20% (not less than 4 pieces) springs of same specification and same heat treatment furnace shall be measured at specified load for their deformation or rigidity and the error of the deformation or rigidity shall not be > 10%;(2) Medium of toxicity degree of low or below is filled in pressure vessels and workingtemperature is not > 200℃.4. For all safety valves of which inspection and calibration interval are prolonged, userorganization shall report the condition for prolonged inspection and calibration in written to CIO.Article 18In case site calibration and pressure adjustment (in-line calibration) of safety valves is necessary, technical personnel in charge of safety of pressure vessels of user organization as well as trained and qualified personnel for safety valves shall be present. Lead seal shall be made to calibrated and qualified safety valves. The precision of pressure gauges for adjustment and calibration use shall not be lower than Class 1. Reliable protection measures shall be provided to the adjustment and calibration of safety valves.Article 19 On completion of annual examination, examiners shall issue examination reportbased on the actual examination conditions to make following conclusion:1. Allowable running: It means no defect or light defect which will not affect the safety isfound;2. Running under monitoring: It means the defect of general nature is found, safe runningcan be secured after taking measures by user organization. In the conclusion, the problems to solve and the time limit to complete for the running under monitoring shall be noted;3. Stop running temporarily: It only refers to the case that the problems of safety accessorieshave not been solved beyond the time limit specified. When problems are solved and confirmed, the running can be resumed.4. Stop running: It refers to the case that serious defects are found and the safe running ofpressure vessels can not be secured, the running shall be stopped or further inspection shall be made by pressure vessel certified inspectors from IO.In general, annual examination shall not evaluate the class of safety status of pressure vessels. However in case serious problems are found, it shall be evaluated by certified pressure vessel inspectors from IO in accordance with what specified in Chapter 5 of this regulation and the class of safety status of pressure vessels may be lowered appropriately.Chapter 3 Overall InspectionArticle 20 Prior to the inspection, following documents shall be reviewed:1. Qualification of designer, design and installation instructions, design drawings as well asstrength calculations and so on;2. Qualification of manufacturer, date of manufacture, product certificate, qualitycertificate (for low temperature (heat isolated) pressure vessels, criteria of vacuum of sealed openings, inspection results of leakage rate of vacuum jacket as well as static evaporation rate and so on shall also be included) and as-built drawings;3. Qualification of organization for site assembling of large pressure vessels, date ofinstallation as well as documents of completion and acceptance;4. Certificate of supervision and inspection of manufacture and installation, supervisionand inspection reports on safety performance of imported pressure vessels;5. Application register card;6. Annual examination reports in running interval;7. Overall inspection reports in history;8. Records of running, records of start-up and shut down, records of changes of operationconditions and abnormal conditions occurred in running;。

压力容器定期检查规则第一章总则第二条本规则合用于《容规》合用范畴旳压力容器旳年度检查和定期检查。

其中，在用汽车罐车、铁路罐车和罐式集装箱（如下简称罐车）旳定期检查，除符合本规则正文旳有关规定外，还应当遵循本规则附件一《移动式压力容器定期检查附加规定》旳规定。

小型制冷装置中压力容器旳定期检查按照本规则附件三《小型制冷装置中压力容器定期检查专项规定》进行。

在用医用氧舱（如下简称氧舱）旳定期检查应当按本规则附件二《医用氧舱定期检查规定》进行。

第三条年度检查，是指为了保证压力容器在检查周期内旳安全而实行旳运营过程中旳在线检查，每年至少一次。

固定式压力容器旳年度检查可以由使用单位旳压力容器专业人员进行，也可以由国家质量监督检查检疫总局（如下简称国家质检总局）核准旳检查检测机构（如下简称检查机构）持证旳压力容器检查人员进行。

第四条压力容器定期检查工作涉及全面检查和耐压实验。

（一）全面检查是指压力容器停机时旳检查。

全面检查应当由检查机构进行。

其检查周期为：1、安全状况级别为1、2级旳，一般每6年一次；2、安全状况级别为3级旳，一般3~6年一次；3、安全状况级别为4级旳，其检查周期由检查机构拟定。

压力容器安全状况级别旳评估按本规则第五章进行。

（二）耐压实验是指压力容器全面检查合格后，所进行旳超过最高工作压力旳液压实验或者气压实验。

每两次全面检查期间内，原则上应当进行一次耐压实验。

当全面检查、耐压实验和年度检查在同一年度进行时，应当依次进行全面检查、耐压实验和年度检查，其中全面检查已经进行旳项目，年度检查时不再反复进行。

对无法进行或者无法按期进行全面检查、耐压实验旳压力容器，按照《容规》第138条规定执行。

第五条压力容器一般应当于投用满3年时进行初次全面检查。

下次旳全面检查周期，由检查机构根据本次全面检查成果按照本规则第四条旳有关规定拟定。

(一)有如下状况之一旳压力容器，全面检查周期应当合适缩短：1．介质对压力容器材料旳腐蚀状况不明或者介质对材料旳腐蚀速率每年不小于0．25mm，以及设计者所拟定旳腐蚀数据与实际不符旳；2．材料表面质量差或者内部有缺陷旳；3．使用条件恶劣或者使用中发现应力腐蚀现象旳；4．使用超过，通过技术鉴定或者由检查人员确认按正常检查周期不能保证安全使用旳；5．停止使用时间超过2年旳；6．变化使用介质并且也许导致腐蚀现象恶化旳；7．设计图样注明无法进行耐压实验旳；8．检查中对其她影响安全旳因素有怀疑旳；9．介质为液化石油气且有应力腐蚀现象旳，每年或根据需要进行全面检查；10．采用“亚铵法”造纸工艺，且无防腐措施旳蒸球根据需要每年至少进行一次全面检查；11．球形储罐(使用原则抗拉强度下限σb≥540MPa材料制造旳，投用一年后应当开罐检查)； 12．搪玻璃设备。

关于发布《压力容器定期检验规则》（TSG R7001-2004）第3号修改单的公告根据压力容器安全监察工作需要，国家质检总局制定了《长管拖车定期检验专项要求》，作为《压力容器定期检验规则》（TSG R7001-2004）的补充规定。

现以《压力容器定期检验规则》第3号修改单的形式予以公布，修改内容自2008年3月1日起施行。

附件：《压力容器定期检验规则》（TSG R7001-2004）第3号修改单二〇〇八年二月二十一日附件：《压力容器定期检验规则》（TSG R7001-2004）第3号修改单（对2004年8月1日第1版及其第2号修改单的修改）1. 目录修改内容按照第2号修改单，在“附件三小型制冷装置中压力容器定期检验专项要求”下一行加“附件四长管拖车定期检验专项要求”。

2. 正文修改内容3. 附件修改内容将附件四《长管拖车定期检验专项要求》及其内容插入附件三《小型制冷装置中压力容器定期检验专项要求》之后，另起一页。

附件四的内容如下：附件四长管拖车定期检验专项要求一、总则（一）本专项要求是在本规则的框架下，对在用长管拖车定期检验提出的具体要求。

（二）本专项要求适用于正常环境温度下(-40～60℃)使用、公称工作压力(标记工作压力)不大于30 MPa、公称水容积(单只气瓶)为500～3000L、用于运输表4-1中规定气体的在用长管拖车年度检查和定期检验。

长管拖车包括气瓶、附件(包括端塞、阀门、管路、快装接头等)、安全附件、气瓶固定装置(框架或捆绑带)、车辆部分等部件。

本专项要求不适用于长管拖车车辆部分的检验。

（三）年度检查和定期检验周期如下：1. 年度检查，每年至少1次，选择在适当时机进行；2. 按照所充装介质不同，定期检验周期见表4-1；3. 定期检验用声发射检测替代外测法水压试验时，充装A类介质的长管拖车定期检验周期为3年，充装B类介质的长管拖车定期检验周期为4年。

（四）有下列情形之一的长管拖车，应当提前进行定期检验：1. 发现有严重腐蚀、损伤或者对其安全使用有怀疑的。