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偏心半球阀结构特点及用途

时间:2013-03-12      阅读:827

 
结构特点及用途 
1、电动偏心半球阀压力损失小:全开时水损为零,流道*畅通,且介质不会沉积在阀体中腔内。 
2、耐颗粒磨损:V型开口的球冠与金属阀座之间具有剪切作用,在关闭过程中,只在zui后一刻球冠才靠向阀座,不形成磨擦,且阀座耐磨的镍合金制成,不易被冲刷磨损,因而适用于含纤维、微小固体颗粒、浆等。 
3、适合高流速介质:直通流道,坚固的偏心一曲轴使之适合高流速且无振动。 
4、寿命长:无易损部件,由于偏心作用,阀门启闭时密封面间无磨擦,则使用寿命长。 
5、维修方便:阀门维修时不需从管路上拆下,只要打开阀盖即可进行维修 
6、气动偏心半球阀广泛适用于水、污水、含微小固体颗粒、水、蒸汽、煤气、天然气、油品等。 
Structuralcharacteristicsanduses 
1、littlepressureloss:waterlossiszeroatfullopen,compleysmoothflow,whichwillnotbedepositedondielectricValvecavity. 
2、Bearstheparticlesattrition:Vshapeopensthemouthbetweentheballcrownandthemetalvalveseattheactionisshear,intheclosureprocess,onlythendependsoninlastthemomentballcrowntothevalveseat,doesnotformthefriction,alsothevalveseatmakeswiththewear-resistingnickelalloy,isnoteasilywashedouttheattrition,thusissuitabletocontainsthetextilefiber,thesmallsolidparticle,thethickliquidandsoon. 
3、Suitableforhigh-velocitymedia:Directflow,solideccentriccrank,makeitsuitableforhighspeedwithoutvibration. 
4、Longlife:novulnerableparts,thereisnofrictionbetweenthesealingsurfacewhenthevalveopensandcloseduetothefunctionoftheeccentric,thereforethereislonglife. 
5、Easymaintenance:Valverepairwithoutremovefromthepipeline,aslongasthevalvecoverisopenedformaintenance. 
6、Widelyusedinwater,sewage,containingtinysolidparticles,water,steam,gas,oil,etc. 
执行标准Implementationofthestandards
上海博球防腐阀门有限公司专业提供:气动偏心半球阀,气动法兰蝶阀,电动法兰截止阀等产品。
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