船用法兰通旋塞阀青铜自闭阀性能规范TechnicalData公称压力NominalPressure(MPa)公称通径NominalDiameter(mm)适用介质ApplicableMedium0.620-80海水、淡水、滑油、燃油Seawater.Freshwater.Lubricantingoil,Fueloil主要零部件材质MaterialsofMainParts零件名称PartsName材料Material?名称Name牌号Marks阀体Body灰铸铁、铸锡青铜GrayCastlron/CastTinBronzeHT200、ZCuSn102n2或ZCuSn5Pb52n5塞芯Core铸锡青铜CastTinBronzeZCuSn102n2或ZCuSn5Pb52n5船用法兰通旋塞阀青铜自闭阀,阀体；锡青铜/铸铁，阀芯；锡青铜，型式；A,AS型，直通填料旋塞，L，LS型L型三通填料旋塞，T,TS型，T型填料旋塞，公称压力；PN0.6MPA,公称通径；DN20-DN80,适用介质；海水，淡水，滑油，燃油。)