600Lb Casting Floating Ball Valve With Worm Gear For Water Conservancy DN25-DN100 - Product

Other Specification :  600Lb Casting Floating Ball Valve With Worm Gear For Water Conservancy DN25-DN100 QuickDetail: Size&Pressure:150#DN25-DN250 300#DN25-DN250 600#DN25-DN100 Factory: Description: CASTFLOATINGBALLVALVE 1.Bow-outproofstem Forthepurposeofpreventingthestemfromflyingoffresultinginabnormalrisingoftheinner Pressureofvalve,shoulderisfixedatthelowerpartofthestem.Inaddition,inordertoprevent Leakageresultingfromburnoutofpackingsetofthesteminafire,thrustbearingissetatthe Contactpositionoftheshoulderatlowerpartofthestemandvalvebody.Thusaninverseseal Seatisformedwhichwillpreventleakageandavoidaccident. 2.Keylock Lockscanbeusedtolockthemanualvalvewhenitisfullyopenorclosedsoastoprevent Non-workingpersonnelfrompullingthehandlewhichmayresultinmisoperationofvalve.It Canalsoavoidopeningorclosingofvalveresultingfromtheshockfrompipelinesorunpredictable Factorsthatmaycauseanaccident.Forworkingpipelinessuchascombustibleandexplosiveoil, Gasandchemicalmedium,orforfieldpipingsite,thelockingmechanismisespeciallyuseful. 3.Anti-firesafedesign Whenthetrunnionballvalvebeusednormally,itssealedbyseatandballsurface,seatretainer SealedbyO-ringandbody,thisissoftsealedandreliablesealing.WhentheseatandO-ringare Burnt,theseatretainerandbodywillbesealedbyexpandedgraphite.Thusactanti-firesafepurpose. 4.Anti-staticdevice Inordertopreventfrictionamongball,stemandPTFEthatgeneratesstaticelectricitywhichmay Lightthecombustiblesandexplosivesthatcauseanaccident,inthisballvalve,static-conduction Springissetbetweenthestemandtheball,thestemandthebody.Thusstaticelectricityisconducted Togroundandsystemsafetyissecured. Production Flow: Applications: Largeandmediumoil,gas,waterconservancy,pharmaceuticals,Chemical,heatingequipmentindustry Wecanalsoproduceaccording

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