Stainlesssteelflangeballvalveshavebeenwidelyusedinvarioussectorssuchaspetroleum,chemicalengineering,powergeneration,papermaking,atomicenergy,aviation,androckets,aswellasinPeople'sDailylives.Stainlesssteelflangedballvalvesareeasytooperate,compactinsize,canbemadeinlargediameters,havereliablesealing,asimplestructure,andareconvenientformaintenance.Thesealingsurfaceandtheballsurfaceareofteninaclosedstate,makingthemlesspronetoerosionbythemedium.Theyarewidelyusedinvariousindustries.
Thestainlesssteelflangedesignstheflangebodyandthesocketasanintegralstructure,avoidingleakagecausedbytheinabilitytoaligntheweldduringwelding.Ithasasimplestructure,isconvenienttouse,andhasgoodsealingperformance.
Inthecontinuousproductionofmodernindustry,stainlesssteelflangesareinevitablysubjecttoleakageproblemsduetotheinfluenceoffactorssuchasmediumcorrosion,erosion,temperature,pressureandvibration.Duetotheerrorintheprocessingdimensionsofthesealingsurface,theagingofthesealingelements,andimproperinstallationandfastening,flangeleakageisverylikelytooccur.Iftheflangeleakageproblemcannotbedealtwithintime,theleakagewillexpandrapidlyundertheerosionofthemedium,causingmaterialloss,damagetotheproductionenvironment,leadingtoenterpriseshutdownandproductionsuspension,andresultinginhugeeconomiclosses.Iftoxic,harmful,flammableandexplosivemedialeak,itmayalsocausemajoraccidentssuchaspoisoningofpersonnel,fireandexplosion.
AFlangeisalsoknownasaflangeplateorflangering.Aflangeisacomponentthatconnectspipestoeachotherandisattachedtotheendofapipe.Thereareholesontheflange,andboltsareusedtotightlyconnectthetwoflanges.Theflangesaresealedwithgaskets.Flangesaredividedintothreadedconnection(threadedconnection)flangesandweldedflanges.