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委托,于
2021-01-08在采购与招标网发布
天津LNG低温调节阀国际招标澄清或变更公告(1)。现邀请全国供应商参与投标,有意向的单位请及时联系项目联系人参与投标。
澄清或变更简要说明:本项目开标时间延期至(略)年1月(略)日9:(略)中国(略)公司受
招标人委托对下列产品及服务进行国际公开竞争性招标,于(略)-(略)-(略)发布变更公告。本次招标采用传统招标方式,现邀请合格投标人参加投标。1、招标条件项目概况:低温调节阀数量:(略)台资金到位或资金来源落实情况:资金已落实项目已具备招标条件的说明:项目资金已落实,相关程序已履行审批,具备招标条件。2、招标内容招标项目编号:(略)-(略)zbzx(略)招标项目名称:天津LNG低温调节阀项目实施地址:(略)1低温调节阀(略)台*3.2.1GLOBE型调节阀采用单座直通结构设计,调节阀座为金属阀座密封;Globetypeadjustingvalveadoptssingleseatstraightthroughstructuredesign,andtheregulatingvalveseatismetalseatsealing;*3.2.2压差≥3MPA的阀门,阀芯应选用笼式结构,并根据需要采用多级阀芯进行降噪。对于气蚀、闪蒸场合应选用抗气蚀、闪蒸的阀内件结构,气蚀较严重的情况应采用多段降压式的阀芯,但不应采用迷宫式内件结构的调节阀;Thepressuredifferenceisgreaterthanorequalto3MPAvalve,valvetrimshouldchoosecagestructure.Accordingtotheneed,multi-stagevalvecoreisusedfornoisereduction.Forcavitationandflashsituation,valveinternalswithanticavitationandflashevaporationshouldbeselected.Incaseofseriouscavitation,multi-stagedepressurizationvalvecoreshouldbeadopted,butthecontrolvalvewithlabyrinthinternalsstructureshouldnotbeused;*3.2.3阀门制造商必须在在中国境内设有办(略),投标商必须在
投标文件中说明本次投标阀门的(略)技术支持、维护能力及组织机构;ValvemanufacturermustsetupanofficeandtechnicalservicecenterinChina,andthebiddermustspecifytheon-sitetechnicalsupport,maintenancecapacityandorganizationofthevalveinthebiddingdocument;*3.2.3阀门原产地应为卖方(略)地所在国。买方绝对不允许供货商OEM;Theoriginofthevalveshallbethecountrywherethesellerisregistered.ThebuyerabsolutelydoesnotallowthesupplierOEM;*3.2.4阀门必须具备可靠的外密封性能,应至少达到TA-LUFT或ISO(略)-1的要求,并提供相关测试的TA-LUFT证书或ISO(略)PART1的认证,投标时提供有效证书复印件;ValvesmusthavereliableexternalsealingperformanceandshallmeetatleasttherequirementsofTA-LoftorISO(略)-1,andshallprovidetherelevanttestCERTIFI(略)TEofTA-LoftorISO(略)PART1certification.Acopyofthevalidcertificateshallbeprovidedatthetimeofbidding;*3.2.5阀门须要(略)更换填料,明杆调节阀阀杆应采用上阀座backseat密封结构,所有的上阀座须要做表面硬化处理。所有铸件阀体必须进行(略)%无损探伤(液体渗透或射线探伤)。Thevalveneedstoberepackedinline,therisingstemregulatingvalvestemshallbebackseatsealedstructure;alltheupperseatsshallbesurfacehardened.Allcastingvalvesmustbe(略)%NDTLiquidpenetrantorradiographicinspection.*3.2.6无损检测:阀门制造商承诺阀体主焊缝采用射线(略)超声波探伤和磁粉探伤,检测探伤比例(略)%;Nondestructivetesting:thevalvemanufacturerpromisesthatthemainweldofthevalvebodyshallbesubjecttoradiographicormulti-channelultrasonictestingandmagneticparticletesting,andthedetectionproportionshallbe(略)%;*3.2.7低温测试的取样比例是按照结构、压力等级和口径相同的阀门数量的(略)%(至少一个)进行测试。如果存在试验结果不合格,低温测试取样比例提高到(略)%;如仍有不合格试样,低温测试取样比例提高到(略)%。业主只承担(略)%低温测试比例费用(即首次测试(略)%阀门取样比例的费用),多余费用由卖方承担。低温测试程序文件必须作为技术协议
附件。试验要求和达标标准详见低温阀门检验规定;*ThetestingrateofCryogenicvalvesis(略)%notlessthanone,accordingtothestructure,pressureratinganddiameter.Ifthereareunqualifiedsamples,thesamplingproportionoflowtemperaturetestshouldbeincreasedto(略)%.Iftherearestillunqualifiedsamples,thesamplingproportionoflowtemperaturetestshallbeincreasedto(略)%.Theownershallbearonly(略)%oftheproportionalcostofthelowtemperaturetest(Thecostoffirstteston(略)%valvesamplingratio),andtheexcesscostshallbebornebytheseller.TheprogramfilesoftestingCryogenicvalvesmustbeattached.TestrequirementsandstandardachievementrefertoSpecificationforCryogenicValveTest;*3.2.8调节阀执行机构建议选择(略)FISHER、MASONELAN、SAMSON,若调节阀生产厂家能够自行生产执行机构或使用其他品牌执行机构,须征得评委会认可。电磁阀应为(略)VDC供电,功耗≤3.6W,品牌应为ASCO、Bifold、Norgren和Herion等评委会认可的同档次品牌。阀门定位器品牌应为FISHERDVC(略)AD、MASONELANSVIIIAP、SAMSON(略)-3或其他经评委会认可的等同品牌。限位开关品牌应为WESTLOCKSilverBulletSeries、TOPWOR(略)Series、StoneLHawkeyeSeries或其他经评委会认可的等同品牌。管阀件品牌应为Swagelok、Parker、Hoke或其他经评委会认可的等同品牌;ItissuggestedtochooseFISHER、MASONELAN、SAMSONastheexecutiveagencyoftheregulator.Ifthemanufactureroftheregulatorcanproducetheexecutiveagencybyitselforuseotherbrandexecutiveagency,itmustbeapprovedbythebidevaluationcommittee;Solenoidvalveshouldbe(略)VDCpowersupply,Consumes:≤3.6W,Theexhaustportshallbeequippedwithdustscreen.ThemanufacturersshouldbeimportedASCO、Bifold、NorgernandHerionorotherequivalentapprovedbythebidevaluationcommittee;ThevalvepositionermanufacturersshouldbeimportedFISHERDVC(略)AD、MASONELANSVIIIAP、SAMSON(略)-3orotherequivalentapprovedbythebidevaluationcommittee.ThebrandoflimitswitchshallbeWESTLOCKSilverBulletSeries、TOPWOR(略)Series、StoneLHawkeyeSeriesorotherequivalentapprovedbythebidevaluationcommittee.ThebrandofpipeandvalvefittingsshallbeSwagelok、Parker、Hokeorotherequivalentapprovedbythebidevaluationcommittee;*3.2.8执行机构必须都安装手轮,手轮为侧面安装类型。手轮应该安装在执行机构的支架上而不是阀门的阀杆上。手轮操作机构不应对故障安(略)造成影响。手轮不能用于行程限位;Allactuatorsmustbeequippedwithhandwheels,whicharesidemounted.Thehandwheelshouldbemountedontheactuatorbracketinsteadofthevalvestem.Thehandwheeloperatingmechanismshallnotaffectthefail-safeoperationandemergencyshutdownsystem.Handwheelcannotbeusedfortravellimit;*3.2.9气动执行机构应选用弹簧复位形式,使其作用至故障安全位置。执行机构应优先选择弹簧气动薄膜型,一些特殊场合也可选择弹簧气缸型;Thepneumaticactuatorshouldusespringreturnformtomakeitworktothesafeposition.Thespringpneumaticdiaphragmtypeshouldbepreferredfortheactuator,andthespringcylindertypecanalsobeselectedforsomespecialoccasions;*3.2.(略)定位器应带(略)诊断功能,实现(略)计算填料摩擦力和供气压力(略)析;Thepositionershouldbeequippedwithonlinediagnosisfunctiontorealizeon-linecalculationofpackingfrictionandgassupplypressureanalysis;*3.2.(略)阀门定位器应选用内置4~(略)mA、非接触式阀位反馈(不接受外置IP转换器);Val