GB/T590-1993船用法兰铸铁截止阀|船用法兰铸铁截止阀厂家|船用法兰铸铁截止阀价格|TC品牌|上海首龙船用阀门GB/T590-93船用法兰铸铁截止阀MarineCastIronFlangedGlobeValvesGB/T591-93船用法兰铸铁截止止回阀MarineCastIronFlangedStopCheckValvesGB/T590-1993船用法兰铸铁截止阀性能规范TechnicalData公称压力NominalPressure(MPa)公称通径NominalDiameter(mm)适用介质ApplicableMedium0.650～300海水、淡水、滑油、燃油和t≤220℃蒸汽Seawater,Freshwater,Lubricantingoil,Fueloil,t≤220℃steam.1.065～2501620～50船用法兰铸铁截止阀主要零部件材质MaterialsofMainParts零件名称PartsName材料Material名称Name牌号Marks阀体、阀盖Body/Cover灰铸铁GrayCastIronHT200阀盘Disc铸锡青铜CastTinBronzeZCuSn10Zn2阀座Seat铸铝青铜CastAluminumBronzeZcuA19Mn2阀杆Stem铝青铜AluminumBronzeCuA19Mn2)