招标代理公司（立即查看） 受业主单位（立即查看） 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