HOTLINE：+13715424213
Contact us ： 86-757-22287982/13715424213
Company fax ： 86-75722287919
Mail ： fsgreat@fsgreat.com
Address: 3rd floor, 16 Fengxiang 13th Street, Xinjiao Community Resident Committee, Daliang Street Office, Shunde District, Foshan City
Welcome to Foshan Shunde Great Power Supply Co., Ltd.
hotline：86-757-22287982
Mobile website
Copyright Foshan Shunde Great Power Supply Co., Ltd. 粤ICP备14005072 Powered by: 300.cn manager
Public address
-
Tianjin Trade Group of Canton Fair has sold more than 100 million yuan of pump and valve products. The102ndChinaImportandExportFairhassuccessfullyconcluded.Accordingtostatistics,nearly190,000buyersfrom213countriesandregionsattendedtheCantonFair.Thecumulativeturnoverofexporttransactionsreached374.5billionUSdollars,anincreaseof2.9%overtheSpringFairthisyearand10%overtheautumnFairlastyear. TheTianjinTradeGroupoftheCantonFairorganizedvariousenterprisesinthiscitytoparticipateintheexhibition.Thenumberofenterprisesparticipatingintheexhibitionreached202,with599exhibitionbooths,andmorethan3000peopleattendedandinspectedtheexhibition.Facingtheincreasinglyfiercemarketcompetitionandescalatingtradefrictions,aswellastheadverseeffectsofRMBappreciation,adjustmentofexporttaxrebatepolicyandpriceincreaseofrawmaterials,theTianjinTradingGroup,throughoptimizingthestructureofexhibitedcommodities,highlightsthequalityoffamousproducts,vigorouslypromotesthelevelofexhibition,andstrivestopublicizeandpromoteBinhaiNewAreainordertobringaboutanewface.TheGuangzhouFairhasachievedremarkableresults,withatotalturnoverof$550million,anincreaseof3.15%overthesameperiodlastyear.Amongthem,$318millionwastradedinthefirstphase,anincreaseof2.93%overthesameperiodlastyear,and$232millionwastradedinthesecondphase,anincreaseof1.75%overtheautumnfairlastyear. Fromthebeginningofthepreparationsfortheexhibition,TianjinFairhasputtheimprovementofthequalityandleveloftheexhibitedgoodsinanimportantposition.Focusonsupportingtheexhibitionofwell-knownexportbrandgoods,famousandexcellentnewproductsandhigh-techproducts.MostoftheparticipatingenterprisesinTianjinFairhavetheirownbrands.Amongthem,therearenotonly"RedTriangle"brandsodaash,"Seagull"watchandotherfamousChineseproducts,butalso"Tiangong"brandgrader,"TOEC"brandfaxmachine,CTPscrewpump,TWTSeriesButterflyvalves,"Li"brandvalvesandotherfamousTianjinproducts.
2018-07-03
-
Dynamic and Static Sealing Forms of Valves Howtosolvethesealingproblemcannotbeneglected,becausethevalverunning,leaking,dripping,mostofthephenomenonoccurshere.Nextwewilldiscussthedynamicandstaticsealingofvalves. 1.Dynamicseal Thedynamicsealofthevalvemainlyreferstothestemseal.Keepingthemediuminsidethevalvefromleakingwiththemovementofthevalvestemisthecentralissueofthedynamicsealofthevalve. 1)stuffingboxform Atpresent,fillerboxisthemaintypeofvalvedynamicseal.Thebasicformofstuffingletteris: (1)glandtype Thisisthemostusedform. Thesameformcandifferinmanydetails.Forexample,intermsofcompressionbolts,theycanbedividedintoT-bolts(low-pressurevalveswithpressurelessthan16kg/cmsquare),double-endedboltsandlivebolts,etc.Asfarasthecoverisconcerned,itcanbedividedintointegraltypeandcombinedtype. (2)pressnuttype. Inthisform,theshapesizeissmall,butthecompressionforceislimited,onlyforsmallvalves. 2)packing Inthepackingbox,thepackingcontactsthevalvestemdirectlyandfillsthepackingboxtopreventtheleakageofthemedium.Thefollowingrequirementsarerequiredforfillers: (1)goodsealingperformance;(2)corrosionresistance;(3)Smallfrictioncoefficient;(4)Adapttomediumtemperatureandpressure. Commonlyusedfillersare: (1)Asbestospacking:Asbestospackinghasgoodheatresistanceandcorrosionresistance,butwhenusedalone,thesealingeffectisnotgood,soitisalwaysimpregnatedoraddedwithothermaterials.Oil-immersedasbestospacking:Therearetwobasicstructuralforms,oneistwisting,theotherisknitting.Itcanalsobedividedintocirclesandsquares.(2)Polytetrafluoroethylenebraidedpacking:braidedPTFEribbonintopacking,whichhasexcellentcorrosionresistanceandcanbeusedincryogenicmedia.(3)RubberO-ring:Underlowpressure,thesealingeffectisgood.Usetemperatureislimited,suchasnaturalrubbercanonlybeusedat60C.(4)Plasticmouldingfillers:generallymadeintothree-piecetype,butalsocanbemadeintoothershapes.Polytetrafluoroethylene(PTFE),nylon66andnylon1010arethemostcommonlyusedplastics. Inaddition,usersoftenexplorevariouseffectivefillingformsaccordingtotheirownneeds.Forexample,insteamvalvesat250C,whenasbestospansandleadringsarealternatelyoverlapped,theleakagewillbereduced;insomevalves,themediumisoftenchanged,suchasusingasbestospansandPTFErawmaterialbelttogether,thesealingeffectwillbebetter.Molybdenumdisulfide(M0S2)orotherlubricantscanbeaddedinsomecasestoreducefrictiononthestem. Nowadays,newfillersarebeingexplored.Forexample,polyacrylonitrilefibersareimpregnatedwithpolytetrafluoroethyleneemulsion,andthenpreoxidized,andsinteredandpressedinthemold,sothatthemoldingfillerwithexcellentsealingperformancecanbeobtained.Forexample,corrugatedpackingmadeofstainlesssteelsheetandasbestoscanwithstandhightemperature,highpressureandcorrosion. 3)bellowsseal Withtherapiddevelopmentofchemicalindustryandatomicenergyindustry,moreandmoreflammable,explosive,highlytoxicandradioactivematerialshavebeenadded,whichrequiresmorestringentsealingrequirementsforvalves.Insomecases,fillersealingcannolongerbeused.Therefore,anewsealingform,bellowssealing,hasemerged.Thiskindofsealdoesnotneedfiller,soitisalsocallednon-fillerseal. Bothendsofbellowsareweldedtootherparts.Whenthevalvestemrisesandfalls,thebellowsexpandandcontract,solongasthebellowsthemselvesdonotleak,themediumcannotleakout.Forthesakeofsafety,doublesealsofbellowsandfillersareoftenused. 2.Staticseal. Staticsealusuallyreferstothesealbetweentwostationarysurfaces.Themainsealingmethodistousegaskets. 1)washermaterial (1)Non-metallicmaterials:suchaspaper,linen,cowhide,asbestosproducts,plastics,rubber,etc. Paper,linen,Kraftandsoon,withcapillaryholes,easytopenetrate,usemustbeimpregnatedwithoil,waxorotherimpermeablematerials.Valvesareseldomusedingeneral. Asbestosproducts,asbestosbelt,rope,boardandasbestosrubberboard.Amongthem,asbestosrubbersheethascompactstructure,goodpressureresistanceandgoodtemperatureresistance.Itiswidelyusedinflangeconnectionofvalveitselfandvalveandpipe. Plasticproductshavegoodcorrosionresistanceandarewidelyused.Varietiesincludepolyethylene,polypropylene,softpolyvinylchloride,polytetrafluoroethylene,nylon66,nylon1010,etc. Rubberproducts,softtexture,avarietyofrubberrespectivelyhaveacertainacid,alkali,oil,seawaterresistance.Varietiesofnaturalrubber,styrene-butadienerubber,nitrile-butadienerubber,chloroprenerubber,isobutadienerubber,polyurethanerubber,fluorinerubberandsoon. (2)Metalmaterials:Generallyspeaking,metalmaterialshavehighstrengthandhightemperatureresistance.Butleadisnotlikethis,onlybecauseofitsresistancetodilutesulfuricacid.Commonlyusedspeciesarebrass,copper,aluminum,lowcarbonsteel,stainlesssteel,Monelalloy,silver,nickelandsoon. (3)Compositematerials:suchasmetalwrapping(internalasbestos)gaskets,combinedwaveformgaskets,windinggaskets,etc. 2)Performanceofcommongaskets Whenusingthevalve,theoriginalwasherisoftenreplacedaccordingtothespecificsituation.Oftentherearegaskets:rubberflatgasket,rubberO-ring,plasticflatgasket,PTFEwrappedgasket,asbestosrubbergasket,metalflatgasket,metalspecial-shapedgasket,metalwrappedgasket,wavygasket,windinggasketandsoon. (1)Rubberflatgasket:easytodeform,easytopress,butpoorpressureandtemp
2018-07-03
-
Practical Manual: English-Chinese Contrast Detailed Table of Valve Terminology English-ChineseTerminologyComparisonofValveTypes AirvalvesairvalveAngleStopvalvesAngularGlobeValveAngleThrottleValvesAngularThrottleValvesAngleTypeGlobeValvesGateAngleGlobeValvesAshvalvesashdischargevalveAspiratingvalvessuction(suction)valveAuxiliaryvalvesauxiliary(auxiliary)valveBalancevalvesbalancevalveBellowsvalvesbellowsvalveBlowdownValvesDischarge(Drainage,Sewage)ValveBrakevalvesbrakevalveButterflyTypeNon-slamCheckButterflyBufferCheckValveButterflyValveswithGearActuatorWormGearDriveButterflyValvesButtweldingvalvesbuttweldedconnectionvalveClampvalvespairclampvalveCocktwolinksCombinationvalvescombinationvalveCQThreadBallValvesCQThreadedBallValvesCulvertvalvesUndergroundPipelineValveDecelerationvalvesdecelerationvalveDiaphragmValvesDiaphragmValveDecompressionvalvesreliefvalveDoubleDiscFlatGateValvesDouble-gateFlatGateValvesDoubleDiskParallelGateValvesOpen-poleParallelDouble-gateDoubleOpeningExhaustValvesDual-portExhaustBallDrainagevalvesdrainvalveElectricActuatedStopValvesElectricGlobeValveElectricActuatedWedgeGateValvesElectricWedgeGateValvesElectricDoubleDiskParallelGateValvesElectricParallelDoubleGateSluiceEmergenyCut-offValvesEmergencyShutoffValveExhaustvalvesexhaustvalveFreeFloatTypeSteamTrapFloatingBallTrapFlangeBallValvesFlangedBallValvesFlangeGateValvesFlangeGateValvesFlangeGlobeValvesFlangeGlobeValvesGaugeValvesinstrumentvalveHand-operateddvalvesmanualvalveHardSealButterflyValvesMetalSealedDiscValveHighTemperaturePressurePowerStationGateValvesHighTemperatureandHighVoltagePowerPlantGateValvesHighTemperaturePressurePowerStationGlobeValvesHighTemperatureandHighPressurePowerPlantGlobeValvesHydrauliccrelayvalveshydraulicrelayvalveLiftCheckValvesLiftCheckValvesLiftCheckValvesLiftCheckValvesLiftCheckValvesLiftCheckValvesLimitvalveslimitvalveLiningBallValvesLinedBallValvesLiningButterflyValvesLiningDiscValveLiningCheckValvesLiningCheckValvesLiningCockLiningSecondLinkLiningGlobeValvesLinedGlobeValvesLiningT-CockValvesLiningThree-wayCockValvesLiquidIndicatorLevelMeterLPGPipeFittingLPGGasPartsMagneticCo-operateGlobeValvesMagneticCoupledGlobeValvesMagnetismForlePumpsmagneticpumpManualOilPumpsValvesManualOilPumps(Valves)MeterNeedleTypeGlobeValvesInstrumentNeedleGlobeValvesObliqueStopValvesDCGlobeValveParallelSlideValvesSlurryValvePintlevalveneedlevalvePipingCentrifugalPumpsPipelineCentrifugalPumpsPlungervalvesplungervalvePressureValvePressureValveValvePipingPumpspipelinepumpPipingSafetyValvesPipelineSafetyValvesPlungerGlobeValvesplungerglobevalveQuickDrainingValvesFastDrainageValveRestrictorValvesOverflowValve(orThrottleValve)SafetyValvesSafetyValvesScrewPumpsscrewpumpScumGateValvesSlagDischargeGateValveSolenoidvalvessolenoidvalveSingleDiscFlatGateValvesSingleGateFlatGateValvesSingleOpeningExhaustValvesSingle-portExhaustBallSlurryPumpsmudpumpStopValvesglobevalveStrainerfilterSubmergedMotorPumpsSubmergedPumps(SewagePump)SwingCheckValvesSwingCheckValvesSwingCheckValvesSwingCheckValvesTankLorryBallValvestrolleyballvalveT-CockthreelinksThinGateValvesThinGateValvesSluiceValveThrottleValvesthrottlevalveTinyDragSlowShutCheckValvesMicro-blockingRetardedClosedCheckValveTriple(tee)valvesthree-wayvalveTwo-wayvalvestwo-wayvalveUnderwaterPumpsHydraulicPumpVacuumPumpsHydraulicEjector(VacuumPumps)VerticalLiftCheckValvesVerticalCheckValvesWaferCheckValvesPinchCheckValveWaferplatevalvesbutterflysplintvalveWaferTypeButterflyValveswithRubberItningPinchLiningButterflyValveWasteValvessump(valve)WaterSealGateValvesWaterSealGateValvesWedgeGateValvesWedgeGateValvesYTypeandCylinderFiltersYCylinderFiltersContrastofEnglishandChineseTerminologyforPartsandComponentsAxisGuidebushingBallballandcoreBallseatsealringBlowdownSealingFaceOpenandValveSealFaceBodyvalvebodyBonnetbonnetDiscdiscMutnutScrewboltSealingsealsSpringspringStemstemStemMutstemnutStemsealfillerWedgeDiscgateIII.ContrastofStandardizedTechnicalEnglishTerminologyApplicableMediaApplicableemperatureapplicabletemperatureButtClamppairclipChemicalConstituentsofChemicalAnalysisConnectingformatconnectionformDoublediscdoublegateFlexiblediscelasticgateFlangeflangeHoopclampInsidethreadinternalthreadJacketjacketMainspowersupplyChemicalcompositionandmechanicalpropertiesofMaterialhemicalanalysisandmechanicalcalcapacitymaterialsMaterialsMaterialsForminPartsMajorPartsMaterialsMechanicalpropertiesofMechanicalcapacityMax.DischargingCapacityMaximumDrainageMax.OperatingTemperatureMaximumWorkingTemperatureMax.AllowableTemperatureMaximumPermissibleTemperatureMax.AllowablePressureMaximumPermissiblePressureModelmodelNameofPartsPartNameNitrogen(N)nitrogenNominalborenominalpathNominalPressureNominalPressureNozzleexhaustportOutsidethreadsOxidantoxidizingmediumParallelparallelPipingpipelinePistonpistonReductantReductiveMediaRisingstemMingbarSealseat,sealingsurfaceSeattestingpressurePressureGasSealTestPressureSocketcardsleeveSpecificationsPerformanceSpecificationSinglediscsinglegateSolidrigidityStrenghtestingpressureStrengthTestPressureSteam,condensatesteam,condensatewaterStrokestroke,strokeWater,oil,stepwa
2018-07-03
-
The environmental protection plan was first issued in the document of the State Council. Thefive-yearenvironmentalprotectionplanwasfirstissuedinthenameoftheStateCouncil.Inthepast,suchaplanwasonlyaministerialdocumentoftheenvironmentalprotectiondepartment.Accordingtothe11thFive-YearPlanforEnvironmentalProtectionjustreleased,thebottomlineofthebudgetisthattheinvestmentinenvironmentalprotectionshouldexceed1.35%ofGDP. ThisplanwasissuedinthenameofStateCouncilDocumentNo.37,andhasbeenlegallyeffective.ZhouShengxian,directoroftheStateEnvironmentalProtectionAdministration,saidtodaythatitremindedlocalgovernmentsonceagainthatpollutantreductionandimprovementofenvironmentalqualityarethesolemncommitmentsoftheChinesegovernmenttothepeople,andtheyshouldnotlosefaithinthepeople. Accordingtotheplan,by2010,exceptchemicaloxygendemandandsulphurdioxide,whicharetwomajorpollutants,willbereducedby10%comparedwith2005,theproportionofinferiorfivetypesofwaterqualityinstate-controlledsectionswillbereducedby4percentagepoints,controlledbelow22%,whiletheproportionofthreetypesofwaterwillbeincreasedby2percentagepoints;inairquality,thenumberofsecond-classdayswillexceed292days.Morethan75%ofcities. Drinkingwatersafetyisthefirstproblem Inthis80,000-wordplan,theprimarytaskistoensurethesafetyofdrinkingwaterforurbanandruralpeople.ZhouShengxiansaidthatthefirststepforenvironmentalprotectiondepartmentstodoistoachievethemainindicatorsofimportantdrinkingwatersourcesbytheendof2008. ExpertsfromtheChineseAcademyofEnvironmentalPlanningsaythatdrinkingwatersafetyisthetoppriority.Itisasimplewordintheplanning,butbehinditisaseriesofmajorenvironmentalactions.Forexample,tocloseallsewageoutletsinthewatersourceprotectionarea,weneedtoestablishanearlywarningsystemforthesafetyofdrinkingwatersourcesandmakeemergencytreatmentwhenpollutionaccidentsoccur.Inaddition,inordertoreassurethepeopleofdrinkingwater,theenvironmentalprotectiondepartmentwillcarryoutatleastonewaterqualitycomprehensiveanalysisandmonitoringofcentralizeddrinkingwatersourceseveryyear,andtimelyannouncethewaterenvironmentstatus. Infact,sincelastyear,thesupervisionofdrinkingwatersourceshasbecomeakeywordforenvironmentalprotectiondepartmentstoimplementenvironmentallawenforcement.In2006,theenvironmentalprotectiondepartmentdispatched126,000lawenforcementofficerstoinspectmorethan10,000drinkingwatersourcesandwaterintakepoints.1,903illegalenterpriseswereinvestigatedanddealtwith,and88responsiblepersonsweredealtwithduetoinadequatesupervisionofdrinkingwaterissues. Environmentalprotectioninvestmentshouldexceed1.35%ofGDP. ZouShoumin,presidentoftheChineseAcademyofEnvironmentalPlanning,saidthatinordertoimproveChina'senvironmentalqualityin2010,alargeamountofmoneywouldhavetobeinvested.Thebottomlineofthe11thFive-YearPlanisthattheinvestmentinenvironmentalprotectionmustexceed1.35%ofGDP.Inthelastfive-yearplan,China'senvironmentalinvestmentaccountedforjustover1%ofGDP. ExpertscalculatedthatduringtheEleventhFive-YearPlanperiod,Chinaneeded640billionyuanforwaterpollutioncontroland600billionyuanforairpollutioncontrol.Wheredoessuchahugesumofmoneycomefrom?Theplansaysthatthegovernment,enterprisesandsocialforcesshouldtakepartineach.Localgovernmentsmainlytakemoneyforkeyriverbasinmanagement,naturereserveconstruction,ruralenvironmentalimprovementandenvironmentalsupervisioncapacity-building,andthecentralgovernmentdifferentiatesandsupportsthem.Thepollutioncontrolexpensesofenterprisesshallbesolvedbyenterprisesusingtheirownfundsorbankloans. ZouintroducedthatduringtheEleventhFive-YearPlanperiod,itisestimatedthat75billionyuanwillbeleviedforpollutioncontroltoattractbanks,especiallypolicybanks,toactivelysupportenvironmentalprotectionprojectsintheformofsubsidiesordiscounts. Environmentalregulatorycapacitywasfirstmentioned Somegrass-rootsEPAequipmentsareinferioreventothelaboratoriesofmiddleschools.Afterpollutionaccidentsoccurinsomeplaces,environmentallawenforcementofficerscanonlysniffthroughtheirnoses...ZhouShengxianhasrepeatedlyusedthisexampletoexpresshisshockatthedifficultyoflawenforcementingrass-rootsenvironmentalprotectiondepartments. Today,ZhouJian,deputydirectoroftheGeneralAdministrationofEnvironmentalProtection,saidthatthe11thFive-YearPlanseekstochangethissituation.Forthefirsttime,itmentionstheneedtoimprovetheabilityofenvironmentalsupervision,includingtheestablishmentofadvancedenvironmentalmonitoringandearlywarningsystem,theestablishmentofacompleteenvironmentallawenforcementsupervisionsystemandenvironmentalaccidentemergencyresponsesystem. Accordingtotheplanningarrangement,Chinawillbuildanationalenvironmentalemergencymonitoringnetworkandcommandcenter,andtheprovincesandmunicipalitiesshouldestablishcorrespondingenvironmentalemergencycommandsystem.Thestate,provinces,municipalitiesandriverbasinsareequippedwithemergencymonitoringvehiclesandinstrumentsforwaterandairenvironmentalaccidents,andemergencymonitoringvesselsareequippedforkeyseaportsandinlandriverports. Publishthereportcardeverysixmonths DuringtheTenthFive-YearPlanperiod,fromthecentralgovernmenttothelocalgovernment,therewerenohardrestrictionsonthosewhofailedinenvironmentalprotection.Wan
2018-07-03
Page up
1
Page down