APIStd623-2021法兰和对焊端栓接阀盖钢制截止阀（中英文参考版）简介APIStandard623-2021是美国石油学会（AmericanPetroleumInstitute,API）制定的关于法兰和对焊端、栓接阀盖钢制截止阀的技术规范。该标准适用于石油、天然气及相关工业中使用的钢制截止阀，规定了设计、材料、制造、试验和检验等方面的要求，以确保阀门在高压、高温和腐蚀性环境下的安全性和可靠性。标准涵盖的主要内容包括：1.阀门的设计和结构要求，包括压力-温度额定值、端部连接形式（法兰或对焊）以及阀盖栓接方式。2.材料选择，包括阀体、阀盖、阀杆、密封件等关键部件的材料规范。3.制造和试验要求，如压力试验、泄漏测试和性能验证。4.检验和标志要求，确保阀门符合标准并便于追溯。APIStd623-2021是行业广泛认可的技术规范，适用于采购、制造和检验钢制截止阀的各个环节。中英文参考版为全球用户提供了便利，尤其适合跨国企业和非英语母语的工程技术人员使用。APIStandard623-2021(Chinese-EnglishReferenceEdition)FlangedandButt-WeldingEnds,BoltedBonnetSteelGateValves-IntroductionAPIStandard623-2021,developedbytheAmericanPetroleumInstitute(API),specifiesthetechnicalrequirementsforflangedandbutt-weldingends,boltedbonnetsteelgatevalves.Thisstandardappliestosteelgatevalvesusedinthepetroleum,naturalgas,andrelatedindustries,ensuringtheirsafetyandreliabilityinhigh-pressure,high-temperature,andcorrosiveenvironments.Keyaspectscoveredinthestandardinclude:1.Designandconstructionrequirements,suchaspressure-temperatureratings,endconnections(flangedorbutt-welded),andboltedbonnetconfigurations.2.Materialspecificationsforcriticalcomponents,includingvalvebodies,bonnets,stems,andsealingelements.3.Manufacturingandtestingrequirements,suchaspressuretesting,leakagetests,andperformanceverification.4.Inspectionandmarkingguidelinestoensurecomplianceandtraceability.APIStd623-2021isawidelyrecognizedindustrystandardforprocurement,manufacturing,andinspectionofsteelgatevalves.TheChinese-Englishreferenceeditionfacilitatesglobaladoption,particularlybenefitingmultinationalcompaniesandnon-nativeEnglish-speakingengineers.
