Ningbo Hyuan Power Industry Co., Ltd.  

Product Name: 69kv Suspension Silicon Rubber Insulator Model NO.: SUSPENSION INSULATOR Color: Brown Certification: ISO9001 Size of Bearing Capacity: 70KN Usage: High Voltage Power Transmission, Insulation Structure: Post Insulator Material: Porcelain Application: High-voltage Trademark: HEMG Transport Package: Wooden Specification: 69KV Origin: China Product Description Isolatortypesuspension,forlineof69KV,rubberSILICONADO.No.DescriptionParameter/specificationrequiredSpecificationoffered1.-MaterialRosin-coreofglassfiberreinforced,coverofpolymericmaterialresistanttoweatherconditions1.1ManufacturingStandardANSIC29.13-2000IEC61109IEC611091.2InsulationclassDS-691.3TypeofpolimericoNote1siliconerubber,HTV1.4FittingsusedNote340Mn2,h.d.p1.5KernelCoverNote4siliconerubber,HTV1.6Core:Note2.FiberGlassReinforced2Criticaldistances2.1Minimumdistancesofleak1950mm2010mm2.2Arcdistance851mm700mm3Mechanicalvalues3.1Minimumnominalmechanicalload(SML)Indicate70KN3.2Mechanicalloadingofroutine(RTL)25000lb(111.2KN)111.2KN3.3Mechanicalloadingtotheminimumtorque12500lb(55.6KN)55.6KN4Electricalvalues4.1Typicalvoltageofapplication69KV69KV4.2FlaKVmeovoltageoflowfrequencyindry333KV333KV4.3Voltageofbucklingoflowfrequencyinwet301KV301KV4.4Voltageofbucklingcriticaltothepositivemomentum578KV578KV4.5VoltageofbucklingcriticaltotheNegativePulse617KV617KV4.6Basiclevelofinsulation350KVminimum350KVminimum5RADIOINFLUENCE5.1TestVoltage45KV45KV5.2RIVMaximumto1000KHz10µV10µV6Dimensions6.1DuringtheIsolator750±75mm940±15mm7ConstructiveDetailsNote5Y8Finishing8.1GalvanisedInhotInhot8.2GalvanizedStandardASTMA-153IEC/ANSI9ConditionsOFATMOSPHERICPOLLUTIONNote610PackagingIndicateCarton11documentsandcertificatesofcompliancerequiredNote7Y12SamplesDeliveraunitYES13Notes1Theinsulatingbellswillbebuiltofsiliconerubber,moldedunderpressureandwillbefirmlyattachedtothecoverofthenucleus,byaprocedurethatthemanufacturertoensurethattheresistancebetweenthebellsandthepolymericcoatingofthenucleus,isgreaterthantheresistancetotearingoftheinsulatingmaterial.Thetotalassemblywillbeafullysealedunit.ThetypesofGomatousewillbe,HTV:lcomponentofsolidsiliconerubbervulcanizationwithathightemperature(200°C),R:Rubbercomponentofliquidsiliconethataremixedandcuredathightemperature(between100and200°C).WillnotbeacceptedEPDMpolymers(EthylenePyleneTermolyner)orcombinationsofEPDMwithsiliconeorotherorganicrubbers.Eachinsulatormustbemarkedlegiblyandindeliblyanddurableintimewiththefollowinginformationasaminimum:name,symbolorlogothatidentifiesthemanufacturer,yearofmanufactureandmodelofisolator.2Thecoreshallbecomposedofglassfibersarrangedwithinanepoxyresinresistanttohydrolysis,insuchawayastoobtainmaximumresistancetomechanicalstressandelectricalvoltage.ThedistributionoftheglassfibersinthesectionKerneltrnasversal,shallbeuniform,freeofemptyandforeignsubstances.3ThefittingsmustbewroughtironanddiphotgalvanizedaccordingtotheASTMstandardsto-153,forhinges.Tofacilitatethemaintenance,themountingsmustnotbeperformedwithbolts,nutsandwashers,butwithsafetypinsofstainlesssteel4Aroundthecoreofthefiberglassmusthaveapolymericcoatingsiliconerubberisolator,oneoftheparts,withouttipsnorseams,theliningshallbeuniformaroundthecircumferenceofthecoreintheentirelengthoftheisolator. 5Thebellswillbesoftandfreeofimperfectionsresistanttocontaminationtotheformationofsurfacedischargeroadsdryband(traking),toerosiontotemperature,totheflammabilityandtheactionofultravioletradiation.ThepolymericbellswillbegrayANSI70.Eachinsulatormustbemarkedlegiblyandindeliblyanddurableintimewiththefollowinginformationasaminimum:name.Symbolorlogothatidentifiesthemanufacturer,yearofmanufactureandtheisolatormodel-6Theisolatorsinnormalusemaybeinanenvironmentwithdifferentdegreesofpollution,sothateachEDwillmaketheconsiderationsintheselectionofinsulatorsunderconditionsofairpollution7Thecertificatesofconformityofproductorofcompliancewithstandardsrequiredinthepresentdocument,shouldbeissuedbyaccreditedcertificationbodies,documentationtobeendorsedbytheEFA.Inthecaseofthetestreports,thesemustbeissuedbytheaccreditedlaboratories,documentationtobeendorsedbytheEFA.Thesecertificatesandreports,willbearequirementthatthebidderssubmitforprocurementprocesses.