船用法兰铸铁截止阀/截止止回阀TEL13585577816船用法兰铸铁截止阀GB/T590-1993FlangedCastIronGlobeValveGB/T590-1993船用法兰铸铁截止止回阀GB/T591-1993FlangedCastIronScrewdownnon-returnvalve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℃的蒸汽Seawater,Freshwater，Fueloilandsteam(t≤220℃)1.065-2501.620-50主要零件材料Materialofmainparts名称name材料material牌号Marks阀体、阀盖body\cover铸铁CastIronHT200阀盘disc铸锡青铜CastTinBronzeZCuSn10Zn2阀杆steml铝青铜AluminumCuA19Mn2主要型式Type:A、AS，B、BS)