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HandwheelJ49H-320-DN3碳钢Carbonsteel铬不锈钢Cr,Stainlesssteel聚四氟乙稀、柔性石墨PTEF,Softgraphite碳钢Carbonsteel优质碳钢HighgradecarbonsteelJ49H-320P-DN6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）SealJ49H-32032.048.035.20.632.0P≤540℃液化***水、酸、蒸汽、油品等PetroleumgasWater,Asic,Steam,Oiletc.J49H-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)WeightL1D1D2HH1L2hhˊM1L3J49H-3203606550881006015Ф70M20×1.5161.3J49H-320P6606550881006015Ф70M20×1.5161.3http://www.xy-/product/zhenxingfa/2016-05-28/ml)