300Lb WCB Floating Ball Valve For Water Conservancy With Worm Gear DN25 - DN100 - Product
Place of Origin : Wenzhou,China
Delivery Time : 35days
Product Description
300Lb WCB Floating Ball Valve For Water Conservancy With Worm Gear 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,thrustbearingis
Physical Specification
Other Specification : 300Lb WCB Floating Ball Valve For Water Conservancy With Worm Gear 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
Wecanalsoproduceaccordingtocustomer'ssize.
Specifications:
