产品特点四通换向球阀为X形垂直通道的球阀，它的特点是球体的两条通道为X形布置，四个通道口径均布于球体赤道圆周截面上，当球体沿顺时针旋转90时，能使相邻的两个通道实现两两互通。FeaturesFour-waydirectionchangeableballvalveisakindofballvalvewithX-patternverticalsfeatureis,theballvalvestwoboresarearrangedtobeX-pattern,anditsfourboresareconnectedtoeachothertwoofadjacentborescanbeconnectedtoeachother.本阀门系列可配置多种驱动装置Thisballvalvecanbeequippedwithseveraltypesofoperationdevice.主要零件材质MainPatrsandMaterials零件名称Accessoryname材质MaterialGBASTM阀体、阀盖Body,bonnetWCBA216-WCB密封圈SealingRingPTFE、对位聚苯PTFE、Counterpointpolypheny1PTFE、对位聚苯PTFE、Counterpointpolypheny1球体Ball1Cr18Ni9TiSS304阀座、阀杆Seat、Stem2Cr13A246-416双头螺柱Dual-headdouble-screwbolt35CrMoAA193-B7主要性能规范MainPerformanceSpcification公称压力PN(MPa)Nominaldiameter试验压力Testpressure壳体Shell高压液密封High-pressureliquidsealing低压气密封Low-pressurehermeticsealing1.62.41.760.62.53.752.754.06.04.4CLASS1503.O2.2适用工况ApplicableOperatingMode适用介质Applicablemedium水、油品、气等非腐蚀介质和酸碱腐蚀介质Non-corrosionmediumsuchaswater,oilproducts,andgas,etc,andnitricacidcorrosionmedium.适用温度Applicabletemperature-28-350℃应用规范Applicablespecification连接法兰ConnectingflangeJB79-59、GB9113、HG20592-97、ANSIB16.5检验试验TestandinspectionGB9/T9092-99、API598其余制造规范均按本厂标准Othermanufacturingstandardisaccordingtothestandardofourfactory.主要外型与连接尺寸表FormofMainTypesandConnectingDimension公称压力或压力级Nominalpressure主要尺寸Maindimension公称通径15/1/2″20/3/4″25/1″32/11/4″40/11/2″50/2″65/21/2″80/3″100/4″125/5″150/6″200/8″PN1.6MFbL150150180200220240260280320380440550PN2.5MFhL1757590100110120130140160190220275PN4.0MFbH9090102115135140155185210275305335CLASS150W140140155250250350350420700100013001800其余的法兰尺寸请参阅（主要外型及连接尺寸表）)