主要零件材料零件名称Partname阀体BODY阀杆Stem阀底座Base填料PACKING填料阀盖Packingbonnet手轮HandwheelJ19H-320-DN6碳钢Carbonsteel铬不锈钢Cr,Stainlesssteel聚四氟乙烯、柔性石墨PTEF,Softgraphite碳钢Carbonsteel优质碳钢HighgradecarbonsteelJ19W-320P-DN15铬镍不锈钢Cr,NiStainlesssteel铬不锈钢Cr,Stainlesssteel铬镍不锈钢Cr,NiStainlesssteel不锈钢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）SealJ19H-32032.048.035.20.632.0P≤540℃液化***水、酸、蒸汽、油品等PetroleumgasWater,Asic,Steam,Oiletc.J19W-320P32.048.035.20.632.0C≤425℃主要外型及连接尺寸型号Type公称直径DN(mm)Nominaldiameter尺寸Dimensi***重量（Kg）WeightL1DoD2D1HH1M1RCJ19H-320610065145100110M20×1.5左-1.2J19W-320P158565--100110M20×1.5G1/2〞1.0http://www.xy-/product/zhenxingfa/2016-05-28/ml)