主要零件材料零件名称Partname阀杆、阀盖Stem,Bonnet阀杆、阀瓣Stem,Disc填料PackingJ21/3W-16P铬镍不锈钢Cr,NiStainlesssteel铬镍不锈钢Cr,NiStainlesssteel聚四氟乙稀、柔性石墨PTEF,SoftgraphiteJ21/3W-160、J21/3W-40优质碳钢Highgradecarbonsteel铬不锈钢Cr,Stainlesssteel主要性能规范型号Type公称压力（MPa）NominalPressure试验压力PS（MPa）Testpressure工作压力（MPa）WorkingPressure工作温度(℃)WorkingTemperature适用介质Suitable壳体（MPa）Shell密封（液）Seal密封（气）SealJ21/3W-161.62.41.760.61.6P≤540℃液化***水、酸、蒸汽、油品等PetroleumgasWater,Asic,Steam,Oiletc.J21/3W40P4.06.04.40.64.0J21/3W-16016.024.017.60.616.0C≤425℃J21/3W-320P32.048.035.20.632.0主要外型及连接尺寸公称直径DN(mm)Nominaldiameter尺寸Dimensi***重量(Kg)DoD1D2LH1H2MWeight6651461409610620×1.50.91080181016011512524×1.51.1815100221518012213230×22.020110281822015616636×23.525140332223016918039×24.3http://www.xy-/product/zhenxingfa/2016-05-28/ml)