石油化工有毒可燃介质管道工程施工及验收规范SH3501-2002

备案号：J249－2003-07-03　　　　　　　　　　　　SH 备案号：J249－2003 SH 中华人民共和国石油化工行业标准 Standard for Petrochemical Industry of PRC SH 3501－2002 代替SH 3501－2001 SH 3501-2002 A substitute version of SH 3501-2001 石油化工有毒、可燃介质管道 工程施工及验收 规范 编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载 Specification for construction and acceptance of hypertoxic and combustible medium piping engineering in petrochemical industry Chinese language is the "original" language and if inconsistencies exist between English and Chinese versions, the Chinese version takes precedence and the Chinese version is the legally binding version. 原本以中文书就，如果英文和中文版本之间存在不一致，以中文版本为准，中文版本具有法律约束力。 2003－02－09 发布　　　　　　　　　　　　　　2003－05－01 实施 国家经济贸易委员会　　发布 Issued on Feb. 9, 2003 Implemented on May 1, 2003 Issued by State Economy & Trade Commission 目　　　　次 List of Contents 前言…………………………………………………………………………………………… Foreword 1 范围…………………………………………………………………………………… Scope 2 规范性引用文件……………………………………………………………………… Normative documents quoted 3 总则…………………………………………………………………………………… General 4 管道分级……………………………………………………………………………… Pipeline grading 5 管道组成件检验……………………………………………………………………… Inspection of constituent elements of pipeline 5.1 一般规定……………………………………………………………………………… General specifications 5.2 管子检验……………………………………………………………………………… Inspection of pipe 5.3 阀门检验……………………………………………………………………………… Inspection of valve 5.4 其他管道组成件检验………………………………………………………………… Inspection of constituent elements of other pipes 6 管道预制及安装……………………………………………………………………… Prefabrication and installation of pipeline 6.1 管道预制……………………………………………………………………………… Prefabrication of pipeline 6.2 管道安装……………………………………………………………………………… Installation of pipeline 7 管道焊接……………………………………………………………………………… Welding of pipeline 7.1 一般规定……………………………………………………………………………… General specifications 7.2 焊前准备与接头组对………………………………………………………………… Preparation and assembly of joints 7.3 焊接工艺要求………………………………………………………………………… Requirement for welding procedure 7.4 预热与热处理………………………………………………………………………… Preheating and heat treatment 7.5 质量检验……………………………………………………………………………… Quality inspection 8 管道系统试验………………………………………………………………………… Test for piping system 8.1 管道系统压力试验…………………………………………………………………… Pressure test for piping system 8.2 管道系统吹扫………………………………………………………………………… Sweeping for piping system 8.3 气体泄漏性试验及真空度试验……………………………………………………… Gas leakage test and test of vacuum degree 9 交工文件……………………………………………………………………………… Handover document 附录A（资料性附录）常用有毒介质、可燃介质……………………………………… Appendix A (Data Appendix) Common Hypertoxic and Combustible Medium 附录B（资料性附录）焊接接头坡口形式及组对要求…………………………………… Appendix B(Data Appendix) Type of Groove of Weld Joint and Requirements for Assembly 附：条文 说明 关于失联党员情况说明岗位说明总经理岗位说明书会计岗位说明书行政主管岗位说明书 ………………………………………………………………………………… Explanation to Clauses 前　　言 Foreword 本规范是根据国经贸厅行业[2002]36号文的 通知 关于发布提成方案的通知关于xx通知关于成立公司筹建组的通知关于红头文件的使用公开通知关于计发全勤奖的通知 ，由中国石化集团第五建设公司对《石油化工剧毒、可燃介质管道工程施工及验收规范》SH 3501－2001进行修订而成。 The Specification is the revision of Specification for Construction and Acceptance of Hypertoxic and Combustible Medium Piping Engineering in Petrochemical Industry SH3501-2001 revised by The Fifth Construction Company of the China Petrochemical Corporation according to File [2002]36 issued by State Economy & Trade Commission. 本规范共分9章和2个资料性附录。本规范与SH 3501－2001《石油化工剧毒、可燃介质管道工程施工及验收规范》相比，主要变化如下： The Specification contains 9 chapters and 2 data appendixes. The main changes of the Specification comparing with original SH3501-2001 Specification for Construction and Acceptance of Hypertoxic and Combustible Medium Piping Engineering in Petrochemical Industry are: －适用范围扩大至毒性程度为中度危害和轻度危害介质； －调整了管道分级规定，与SH 3509－2001《石油化工管道设计器材选用通则》协调一致； －将有关内容与GB 50235－97《工业金属管道工程施工及验收规范》进行了协调； －修改了原规范中管道组成件检验、试验的有关规定； －完善了焊接接头检验方面的有关规定。 ----Scope of application is enlarged. Toxic level includes moderate hazard and negligible hazard. ----Specification for pipeline grading is regulated to comply with General Rule for Pipeline Design and Selection in Petrochemical Industry. ----Specification for inspection and test of constituent elements of pipeline is modified. ----Perfect specification for inspection of weld joint. 本规范以黑体字标志的条文为强制性条文，必要严格执行。 Boldfaces in the Specification are mandatory clauses and must be strictly implemented. 本规范由中国石化集团施工规范管理站淄博分站管理，由中国石化集团第五建设公司负责解释。 The Specification is managed by Zibo Branch of Construction Specification Management Station of China Petrochemical Corporation, and interpreted by The Fifth Construction Company of the China Petrochemical Corporation. 本规范在实施过程中，如发现需要修改补充之处，请将意见和有关资料提供给我们，以便今后修订时参考。 In case any repair and supplement are found necessary during implementation of the Specification, please send the suggestion together with relevant information to us for reference during future update. 管理单位：中国石化集团公司施工规范管理站淄博分站 Management unit: Zibo Branch of Construction Specification Management Station of China Petrochemical Corporation 通讯地址：山东省淄博市132号信箱 Address: Mailbox No. 132, Zibo City, Shandong Province. 邮政编码：255438 Postcode: 255438 　　 主编单位：中国石化集团第五建设公司 Chief editor: China Petrochemical Corporation 通讯地址：甘肃省兰州市西固区康乐路35号 Address: No. 35, Kangle Rd., Xigu District, Lanzhou City, Gansu Province 邮政编码：730060 　 Postcode: 730060 主要起草人：姚代贵　张西庚　汪庆华　单承家 Main drafters：Yao Daigui, Zhang Xigeng, Wang Qinghua, Shan Chengjia 本规范1985年发布，1997年第一次修订，2001年第二次修订，本次为第三次修订。 The specification was issued in 1985, revised in 1997 for the first time, revised in 2001 for the second time, and this is the third revision. 石油化工有毒、可燃介质管道工程施工及验收规范 Specification for Construction and Acceptance of Hypertoxic and Combustible Medium Piping Engineering in Petrochemical Industry 1　范围　Scope 本规范规定了石油化工有毒（毒性程度为极度危害、高度危害、中度危害和轻度危害）、可燃介质管道工程的施工和检验要求。 The Specification specifies requirements for construction and inspection of hypertoxic (toxic levels are utmost hazard, high hazard, moderate hazard and negligible hazard) and combustible medium piping engineering. 本规范适用于设计压力400 Pa[绝压]~42MPa[表压]，设计温度－196℃~850℃的有毒、可燃介质钢制管道工程的施工及验收。 The Specification is applicable for construction and acceptance of hypertoxic and combustible medium steel piping engineering with design pressure of 400Pa [absolute pressure]~42MPa [gage pressure] and design temperature of -196℃~850℃. 本范围不适用于长输管道及城镇公用燃气管道的施工及验收。 The Specification is not applicable for construction and acceptance of long-distance pipeline and gas pipeline. 2　规范性引用文件Normative documents quoted 下列文件中的条款通过本规范的引用而成为本规范的条款。凡是注日期的引用文件，其随后所有的修改单（不包括堪误的内容）或修订版均不适用于本规范，然而，鼓励根据本规范达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版适用于本规范。 Provisions in following documents are quoted as provisions of the Specification. Modification (excluding corrigendum) or revision of dated document is not applicable for the Specification. It is suggested that all parties who reach an agreement based upon the Specification can study whether the latest revision of the dated document can be used. Latest revision of undated document is applicable for the Specification. GB 4159 金属低温夏比冲击试验方法 Test Methods for Low Temperature Variation Ratio Impact of Metal GB/T 4334.1~6 不锈钢耐腐蚀试验方法 Test Method for Anticorrosion of Stainless Steel GB 5777 无缝钢管超声波探伤方法 Methods for Supersonic Inspection of Seamless Steel Pipe JB 4730 压力容器无损 检测 工程第三方检测合同工程防雷检测合同植筋拉拔检测方案传感器技术课后答案检测机构通用要求培训 Nondestructive Test of Pressure Container SH 3503-2001 石油化工工程建设交工技术文件规定 Specifications for Technical Document of Handover of Petrochemical Engineering Construction SH3059-2001 石油化工管道设计器材选用通则 General Rule for Pipeline Design and Selection in Petrochemical Industry SH 3064 石油化工钢制通用阀门选用、检验及验收 Selection, Inspection and Acceptance of Common Steel Valve in Petrochemical Industry SH 3505 石油化工施工安全技术规程 Specifications for Safety Technology of Construction in Petrochemical Industry SH3521 石油化工仪表工程施工技术规程 Technical Specifications for Construction of Meter Works in Petrochemical Industry SH 3526 石油化工异种钢焊接规程 Specifications for Welding of Special Steel in Petrochemical Industry 国质检锅[2002]109号 GZJG [2002] No. 109 锅炉压力容器压力管道焊工考试与管理规则 Rules for Examination and Management of Welder for Welding of Pressure Container and Pipe of Boiler 劳部发[1993]441号LBF [1993] No. 441 锅炉压力容器无损检测人员资格考核规则 Rules for Qualification Test of Operator for Nondestructive Test of Pressure Container of Boiler 3　总则 General 3.1 有毒、可燃介质管道施工应按设计文件规定进行，修改设计或材料代用，应经设计单位批准。 3.1 Construction of hypertoxic and combustible medium piping shall be carried out as per specifications in design document. Modification of design or replacement of material shall be approved by the design unit. 3.2　管道施工的安全技术和劳动保护，应按SH 3505的规定执行。在已投入生产的区域内施工时，应按生产区域的特点制定施工安全技术措施。 3.2 Safety technique and labor protection for piping installation shall be implemented according to SH 3505. If construction is carried out in producing area, measures for safety technique of construction shall be formulated according to characteristics of the producing area. 3.3　承担有毒、可燃介质管道施工的单位，必须持有质量技术监督行政部门颁发的相应的压力管道安装许可证。 3.3 Unit undertaking construction of hypertoxic and combustible medium piping must have corresponding certificate of pressure piping installation issued by Executive of Quality & Technology Supervision. 3.4　从事有毒、可燃介质管道施工的焊工应按《锅炉压力容器压力管道焊工考试与管理规则》进行考试，取得合格证书。无损检测人员应按《锅炉压力容器无损检测人员资格考核规则》进行考核，取得相应的资格证书。 3.4 Welder engaged in hypertoxic and combustible medium piping installation shall take an examination for Rules for Examination and Management of Welder for Welding of Pressure Pipe of Boiler and get the certificate of qualification. Nondestructive test operator shall take an examination for Rules for Qualification Test of Operator for Nondestructive Test of Pressure Container of Boiler and get the certificate of qualification. 4　管道分级 Pipeline grading 4.1　输送有毒、可燃介质管道的分级，应符合SH 3059－2001的规定（见表1）。常见毒性介质、可燃介质参见附录A。 4.1 Grading of pipeline conveying hypertoxic and combustible medium shall meet specifications in SH 3059－2001 (see table 1). Please see Appendix A for common hypertoxic and combustible medium. 表1　管道分级　 Table 1 Pipeline Grading 管道级别Pipeline grading 适用范围 Scope of application SHA 1毒性程度为极度危害介质管道（苯管道除外） 2 毒性程度为高度危害介质的丙烯腈、光气、二硫化碳和氟化氢介质管道 3 设计压力大于或等于10.0MPa输送有毒、可燃介质管道 1.​ Utmost hazard pipeline (except benzene pipeline) 2.​ Acrylon, carbonyl chloride, carbon disulfide and hydrogen fluoride medium pipeline whose toxic level is high hazard 3. Pipeline conveying hypertoxic and combustible medium with design pressure ≥10.0MPa SHB 1 毒性程度为极度危害介质的笨管道 2 毒性程度为高度危害介质管道（丙烯腈、光气、二硫化碳和氟化氢管道除外） 3 甲类、乙类可燃气体和甲A类液化烃、甲B类、乙A类可燃液体介质管道 1.​ Utmost hazard benzene pipeline 2.​ High hazard medium pipeline (except Acrylon, carbonyl chloride, carbon disulfide and hydrogen fluoride pipeline) 3. Category A and B combustible gas and Category AB and BA combustible liquid medium pipeline SHC 1 毒性程度为中度、轻度危害介质管道 2 乙B类、丙类可燃液体介质管道 1.​ Moderate and negligible hazard medium pipeline 2. Category BB and C combustible liquid medium pipeline SHD 设计温度低于-29℃的低温管道 Pipeline with design temperature lower than -29℃ 4.2​ 输送同时具有毒性和可燃特性介质的管道，应按本规范中的高级别管道处理。 4.2 Pipeline conveying both hypertoxic and combustible medium shall be treated as high-level pipeline in the Specification. 4.3 输送混合介质的管道，应以主导介质作为管道分级的依据。 4.3 Pipeline conveying mixed medium shall take dominant medium as grading reference. 5​ 管道组成件检验 Inspection of constituent elements of pipeline 5.1　一般规定 General specifications 5.1.1　有毒、可燃介质管道工程使用的管道组成件，应符合设计文件规定及本规范的有关要求。 5.1.1 Constituent elements of pipeline for Hypertoxic and Combustible Medium Piping Engineering shall meet the requirements in design document and the Specification. 5.1.2　管道组成件（管子、阀门、管件、法兰、补偿器、安全保护装置等）的制造单位，当所在地质量技术监督行政部门有规定时，应取得《压力管道元件制造单位安全注册证书》。 5.1.2 Manufacturer of constituent elements of pipeline (pipe, valve, pipe fittings, flange, compensator, safety protection device, etc.) shall have Registered Certificate of Manufacturer for Safety Production of Elements of Pressure Pipe if it is required by local executive of quality & technology supervision. 5.1.3　管道组成件必须具有质量证明文件，无质量证明文件的产品不得使用。 5.1.3 Constituent elements of pipeline must have certificate of qualification. Product having no the certificate can’t be adopted. 产品在使用前，应对质量证明文件进行审查，并与实物核对。若到货的管道组成件实物标识不清或与质量证明文件不符或对产品质量证明文件中的特性数据或检验结果有异议，供货方应按相应标准作验证性检验或追溯到产品制造单位。异议未解决前，该批产品不得使用。 Certificate of qualification of products shall be checked before use. If marks of the constituent elements are unclear, or not conform to certificate of qualification, or there is objection about performance data or inspection result in certificate of qualification, the Supplier shall carry out experimental verification based upon related standard or track back to the manufacture. Before settlement of objection, the products can’t be used. 5.1.4　管道组成件在使用前应进行外观检查，其表面质量应符合相应产品标准的规定，不合格者不得使用。 5.1.4 Appearance inspection of constituent elements of pipeline shall be carried out before use. Quality of their surfaces shall meet the specification in corresponding standard. Unqualified product can’t be used. 5.1.5　合金钢管道组成件主体的关键合金成分，应根据本规范规定的比例采用光谱分析或其他方法进行半定量分析复查，并作好标识。 5.1.5 Certain proportion (specified in the Specification) of alloyed steel pipeline’s main body, alloying component, shall be checked with spectral analysis method or other methods. Marks shall be made. 5.1.6　设计文件有低温冲击值要求的材料，产品质量证明文件应有低温冲击韧性试验值，否则应按GB 4159的规定进行补项试验。 5.1.6 If there are requirements for low temperature impact value of a material in design document, certificate of qualification of the material shall have low temperature impact toughness test value; otherwise, additional test shall be done according to GB 4159. 5.1.7　凡按规定作抽样检查或检验的样品中，若有一件不合格，必须按原规定数加倍抽检，若仍有不合格，则该批管道组成件不得使用，并应作好标识和隔离。 5.1.7 If one of samples is unqualified during sampling inspection, certain amount (specified in the Specification) of products shall be inspected. If there still is unqualified product, the batch of products can’t be used. And they shall be marked and separated with other products. 5.1.8　管道组成件应分区存放，且不锈钢管道组成件不得与非合金钢、低合金钢接触。 5.1.8 Constituent elements of pipeline shall be stacked by areas. Constituent elements of stainless steel pipeline can’t contact non-alloyed steel and low alloy steel. 5.2　管子检验 Inspection of pipe 5.2.1　输送有毒、可燃介质的管子，使用前应按设计文件要求核对管子的规格、数量和标识。 5.2.1 Specification, quantity and mark of pipe conveying hypertoxic and combustible medium shall be checked according to the design document. 5.2.2　管子的质量证明文件应包括以下内容： 5.2.2 Certificate of Qualification of pipe shall contain following contents: 　　a) 产品标准号； 　　a) Product standard number of product; b) 钢的牌号； 　　b) Brand of steel; c) 炉罐号、批号、交货状态、重量和件数； 　　c) Stove number, lot number, delivery state, weight and number of packages; d) 品种名称、规格及质量等级； d) Name, specification and quality level of variety; e) 产品标准和订货 合同 劳动合同范本免费下载装修合同范本免费下载租赁合同免费下载房屋买卖合同下载劳务合同范本下载 中规定的各项检验结果； e) Results of all inspections specified in product standard and contract; f) 制造厂检验印记。 f) Inspection stamp of manufacturer. 5.2.3　若到货管子钢的牌号、炉罐号、批号、交货状态与质量证明文件不符，该批管子不得使用。 5.2.3 If brand, stove number, lot number and delivery state of pipe steel don’t conform to certificate of qualification, the batch of pipes can’t be used. 5.2.4　有耐晶间腐蚀要求的材料，产品质量证明文件应注明晶间腐蚀试验结果，否则应按GB/T 4334.1~6中的有关规定，进行补项检验。 5.2.4 If the material is required to resist intercrystalline corrosion, result of intercrystalline corrosion test shall be written in the certificate of qualification; otherwise, additional test shall be done according to GB/T 4334.1~6. 5.2.5　输送毒性程度为极度危害和高度危害介质管子的质量证明文件中应有超声波检测结果，否则应按GB 5777的规定，逐根进行检验。 5.2.5 Ultrasonic detection result for pipe conveying utmost hazard or high hazard medium shall be written in certificate of qualification; otherwise, each pipe shall be detected according to GB 5777. 5.2.6　钢管的表面质量应符合下列规定： 5.2.6 Surface quality of steel pipe shall meet following specifications: a) 钢管内、外表面不得有裂纹、折叠、发纹、扎折、离层、结疤等缺陷； a) There shall be no crack, fold, hairline crack, wrinkle, separation layer or scab on inner or exterior surface of steel pipe. 　　b) 钢管表面的锈蚀、凹陷、划痕及其他机械损伤的深度，不应超过相应产品标准允许的壁厚负偏差； 　　b) Depth of rust, hollow, scratch and other mechanical damages can’t exceed the permissible variation of wall thickness. c) 钢管端部螺纹、坡口的加工精度及粗糙度应达到设计文件或制造标准的要求； 　　c) Working accuracy and roughness of thread and groove at end of steel pipe shall meet the requirements in design document of manufacture standard. d) 有符合产品标准规定的标识。 d)​ Have marks meeting standard. 5.2.7　SHA级管道中，设计压力等于或大于10MPa管子，外表面应按下列方法逐根进行无损检测，检测方法和缺陷评定应符合JB 4730的规定，检验结果以I级为合格： 5.2.7 Nondestructive test shall be done for surface of each pipe whose design pressure ≧10MPa among SHA level pipelines. Test methods and evaluation of defect shall meet specifications of JB 4730. Grade Ⅰ will be qualified. a) 外径大于12mm的导磁性钢管，应采用磁粉检测； 　　a) Magnetic-particle inspection shall be carried out for magnetic permeable steel pipe with external diameter larger than 12mm. b) 非导磁性钢管，应采用渗透检测。 b) Penetration test shall be done for magnetic impermeable steel pipe. 5.2.8　SHA级管道中，设计压力小于10MPa的输送极度危害介质（苯除外）的管子，每批（指同批号、同炉罐号、同材质、同规格）应抽5%且不少于一根，按本规范5.2.7条规定的方法和评定标准进行外表面磁粉检测或渗透检测，检验结果以II级为合格。抽样检验不合格时，应按本规范5.1.7条的规定处理。 5.2.8 Exterior surface magnetic-particle inspection or penetration test shall be done for 5% (at least one piece) of each batch (of the same lot number, stove number, material and specification) of pipes conveying utmost hazard medium (except benzene) with design pressure less than 10MPa according to methods and criteria for evaluation in Clause 5.2.7. Grade Ⅱ will be qualified. If it is unqualified, the pipes shall be treated according to Clause 5.1.7. 5.2.9　管子经磁粉检测或渗透检测发现的表面缺陷允许修磨，修磨后的实际壁厚不得小于管子公称壁厚的90%，且不得小于设计文件规定的最小壁厚。 5.2.9 Surface defect found by magnetic-particle inspection or penetration test can be grinded. But the wall thickness after grinding can’t be less than 90% of nominal thickness of the pipe and min. thickness specified in design document. 5.3　阀门检验 Inspection of valve 5.3.1　设计文件要求做低温密封试验的阀门，应有制造单位的低温密封性试验合格证明书。 5.3.1 If cryogenic seal test for valve is required in design document, certificate of qualification for cryogenic seal test shall be provided by the manufacturer. 5.3.2　用于SHA级管道的通用阀门，其焊缝或阀体、阀盖的铸钢件，应有符合SH 3064规定的无损检测合格证明书。 5.3.2 Certificate of qualification (meet SH 3064) for nondestructive test of weld joint and steel casting of body and cover of universal valve for SHA level pipeline shall be provided. 5.3.3　阀门安装前，应按设计文件中的“阀门规格书”，对阀门的阀体、密封面及有特殊要求的垫片和填料的材质进行抽检，每批至少抽查一件；合金钢阀门的阀体应逐件进行光谱分析。若不符合要求，该批阀门不得使用。 5.3.3 Before installation of valve, sampling inspection shall be done for materials of valve body, sealing face, gasket and filler having special requirement. At least one of each batch shall be inspected. Spectral analysis shall be done for valve body of each alloy steel valve. If it is unqualified, the batch of valves can’t be used. 5.3.4　阀门的外观质量应符合产品标准的要求，不得有裂纹、氧化皮、粘砂、疏松等影响强度的缺陷。 5.3.4 Appearance quality of valve shall meet requirement in product standard. There shall be no crack, scale, sand fusion, loose and other defects that can impact strength of valve. 5.3.5　阀门在安装前，应逐个对阀体进行液体压力试验，试验压力为公称压力的1.5倍，停压5min，无泄漏为合格。 5.3.5 Before installation, hydraulic test shall be done for each valve body. Maintain the test pressure at 1.5 times of nominal pressure for 5min. if the valve is not leaky, it is qualified. 5.3.6　具有上密封结构的阀门，应逐个对上密封进行试验，试验压力为公称压力的1.1倍。试验时应关闭上密封面，并松开填料压盖，停压4min，无渗漏为合格。 5.3.6 If the valve has upper seal structure, each upper seal shall be tested. Upper seal face shall be closed and cover of filler shall be loosened. Maintain the test pressure at 1.1 times of nominal pressure for 4min. If the valve is not leaky, it is qualified. 5.3.7　阀门液体压力试验和上密封试验应以洁净水为介质。不锈钢阀门液体压力试验时，水中的氯离子含量不得超过100mg/L，试验合格后应立即将水渍清除干净。 5.3.7 Clean water shall be used as medium for hydraulic test and upper seal test. When hydraulic test is done for stainless steel valve, content of chloride ion in water can’t exceed 100mg/L. After test, water spot shall be removed. 5.3.8　阀门的阀座密封面应按SH 3064的规定进行密封性试验。 5.3.8 Leakage test for sealing surface of valve seat shall be done according to SH 3064. 5.3.9　凡按SH 3064或API标准制造并有相应认证标志，且用户到制造厂监造和验收的阀门，每批可按5%且不少于一个进行抽检，若有不合格，应按本规范5.1.7条的规定处理。 5.3.9 If valves are manufactured according to SH 306 or API standard, have certification marks and are supervised and inspected by the user in the manufacturer’s plant, 5% of each batch (at least 1 piece) will be checked. If there is unqualified valve, it shall be treated according to Clause 5.1.7. 5.3.10　安全阀应按设计文件规定的开启压力进行调试。调压时压力应平稳，启闭试验不得少于3次。调试合格后，应及时进行铅封。 5.3.10 Commissi